JP3401060B2 - Camera that switches the shooting screen size - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera,
The present invention relates to a camera capable of switching a shadow screen size. [0002] 2. Description of the Related Art Conventionally, a camera capable of switching a photographing screen size.
Various mechanisms and switching mechanisms have been proposed.
In Japanese Unexamined Patent Publication No. Hei 3-238440, the photographer
By operating an operation member provided in the section, the operation member
Shooting placed near the aperture of the camera body in conjunction with
The screen size switching member advances and retracts into the aperture,
Thus, the technical means for switching the photographing screen size is disclosed.
Have been. [0003] Also, Japanese Patent Application Laid-Open No. 3-238439 discloses
Is a screen size switching motor built into the camera body
Switch the shooting screen size by rotating the
The member moves into and out of the aperture, thereby
Technical means for switching the shadow screen size are disclosed. [0004] SUMMARY OF THE INVENTION
With the technical means disclosed in Japanese Unexamined Patent Publication No. Hei 3-238440.
Is difficult to operate due to the limited location of the operation members.
In addition, the photographing screen size switching member is
A coupling mechanism that is linked to
And increase costs. On the other hand, Japanese Patent Application Laid-Open No. Hei 3-238439 described above.
In the technical means disclosed in the above, each drive in the camera body is
In addition to the motor, a motor dedicated to switching the shooting screen size is required
Also leads to an increase in the size and cost of the camera
ing. The present invention has been made in view of such a problem.
AndRespectivelyShoot without the need for a dedicated motor
Inexpensive and small screen size switchableShooting screen size
SwitchThe purpose is to provide a camera. [0007] Means for Solving the Problems To achieve the above object,
According to the inventionSwitching the shooting screen sizecamera
Can be driven by one motor and the above motor
Operable first driven means and being driven by the motor
Driven by the second driven means and the motor
A third driven means capable ofDriven by the above motor
To switch the shooting screen size that can be
4 driven means and, The driving force of the motor is
A first position to be transmitted to the driving means, and a driving force of the motor;
The second driven means,UpA third driven means,the above
In any one of the fourth driven meansTo communicate
Selected by the rotation of the motor to the second position
First clutch means capable of being engaged;
The clutch means is in the second positionWhen located above
A third position for driving the second driven means;
Either the third driven means or the fourth driven means
And a fourth position for transmission to one of the motors.
Can be selected and positioned by rotationThe second club
Switch means,The second clutch means is in the fourth position;
When the third driven means is driven,
A fifth position for driving the fourth driven means.
Can be located in one of the sixth positions
The mode is linked to the position of the first driven means.
The driving force of the third driven means and the fourth driven means.
Third clutch capable of transmitting to either of the means
MeansIt is characterized by having. [0008] [0009] [Operation] According to the present inventionSwitching the shooting screen sizeMosquito
MelaBy the first clutch meansDrive of the above motor
And a first position for transmitting a force to the first driven means.
The driving force of the motor is controlled by the second driven means.,UpThe third
Driven means,Any one of the fourth driven means
One by oneTo the second position for transmission and rotation of the motor
So it is possible to select and positionAnd the second clutch
Means for moving said first clutch means to said second position
When the second driven means is driven,
And a third position for the third driven means or the third
A fourth driving means for transmitting to one of the fourth driven means.
And position selected by the rotation of the motor
And the third clutch means allows the second
When the clutch means is located at the fourth position,
A fifth position for driving the third driven means;
The sixth position for driving the fourth driven means
The first driven hand.
The driving force of the motor is changed to the third
The signal is transmitted to either the driven means or the fourth driven means.
It becomes possible. [0010] [0011] Embodiments of the present invention will be described below with reference to the drawings.
I do. FIG. 1 shows a camera according to an embodiment of the present invention.
FIG. 2 is a schematic configuration diagram showing a main part, and FIG.
It is the perspective view which showed the part. FIGS. 3 to 6 show the essential parts of the camera.
FIG. 4 is a plan view showing a main gear train in each operation state.
FIG. 3 shows a state when the zooming operation is possible, and FIG.
FIG. 5 shows the state when the film winding operation is possible, FIG.
FIG. 6 shows a state in which the film can be rewound, FIG.
Indicates the state when the shooting screen size switching operation is possible.
Each is shown. FIG. 2 shows a camera according to the first embodiment.
The main body drive motor 201 has a known
It is arranged as follows. In FIG. 1, for explanation,
The main body drive motor 201 and the spool 217 are separated.
Is shown. The main body driving motor 201 is driven in the CW direction.
And rotation in the CCW direction. Sun gear
202 is a rotation center of the main body drive motor 201
And the planetary gear 20
3 is supported so as to always mesh with the sun gear 202
Have been. The carrier 204 is provided with the main body driving mode.
The motor 201 and the center of rotation
The planetary gear 203 is supported with a frictional force. A stopper 205 is provided for the carrier 204.
A fixed member that regulates the rotation angle.
The plunger 206 includes the coil 206a and the plunger core 20.
6b and an plunger spring 206c.
The tutor regulates the rotation of the carrier 204.
You. The coil 206a is normally energized.
The plunger core 206b is a plunger spring
206c and is in a protruding state,
The carrier 204 is held between the carrier 204 and the stopper 205.
On the other hand, when the coil 206a is energized, the plunger
The iron core 206b is attracted to the coil 206a, and
The holding state of the rear 204 is released, and the carrier 204 is
Main unit drive motor 2 within the range of restriction by stopper 205
It becomes rotatable by the driving force of 01. The carrier 204 is moved by a stopper 205
To the coil 206a at the point when
When the energization of the plunger spring 206c is stopped,
The plunger iron core 206b protrudes further, and the carrier 20
4 between the carrier 2 and the stopper 205 again.
04 rotation is regulated. By the above operation, the planetary gear 20
Reference numeral 3 denotes a first zoom gear 209 to be described later and a
Selectively mesh with one of the positive gears 208
It is supposed to. The carrier photo interrupter 207 (hereinafter referred to as “carrier
The carrier PI207 is referred to as the carrier PI207).
4 is a photo interrupter that performs position detection.
Further, the winding sun gear 208 is provided with the main body driving motor.
201 rotates in the CW direction, and the carrier 204 rotates
The planetary gear 203
ing. The first zoom gear 209 includes the main body
The drive motor 201 rotates in the CCW direction, and the carrier
When 204 rotates, it meshes with the planetary gear 203
It has become so. Also, the second zoom gear 210,
Third zoom gear 225, fourth zoom gear 226,
The fifth zoom gear 227 is connected to the first zoom gear 209.
It is designed to rotate following the rotation of. The second
The zoom gear 210 and the third zoom gear 225 are 2
The fourth zoom gear 22 includes a stepped spur gear.
One of the sixth and fifth zoom gears 227 is
It consists of a two-stage gear, which changes the direction of rotation.
I have. The other gear of the fifth zoom gear 227 is a spur tooth
It is a car and meshes with the gear 51a of the rotating frame 51,
The rotating frame 51 is rotated. Zoom photo interrupter idle gear
(Hereinafter abbreviated as zoom PI idle gear) 211
Is a gear driven by the fourth zoom gear 226.
And a zoom photo interrupter gear.
(Hereinafter abbreviated as zoom PI gear) 212 is
It will be driven by the zoom PI idle gear 211
And a slit portion 212a is formed.
You. The zoom photo interrupter 213 (hereinafter, referred to as a zoom photo interrupter 213)
Zoom PI 213) is the zoom PI gear.
Pulse signal due to the rotation of the slit 212a
Is read, so that the rotation frame 51
The rotation amount is detected. The check member 214 is a check bar which is a compression spring.
To the first zoom gear 209
It is biased and its tip is tapered toward the tip.
Claw 214a is formed. The check member 21
4 is a case where the planetary gear 203 is wound up and the sun gear 20 is wound.
8 is engaged with the first zoom gear
Is split between the teeth of Yer 209,
The rotating frame 51 may be inadvertently rotated by external force.
And is preventing. Also, the planetary gear 203 is the first zoom.
When the gear 204 meshes with the carrier 204
Of the first zoom gear 2
09 so that the rotating frame 51 can rotate freely.
Become. The hoisting planet gear 215 is a
Winding gear so that it always meshes with the sun gear 208
It is connected and supported by the rear 216. Sand
The hoisting carrier 216 is provided with the hoisting solar gear.
The rotation center is aligned with the
The lifting planetary gear 215 is supported with frictional force.
You. The spool 217 is provided inside as described above.
The main body drive motor 201 is disposed in the
A gear 217a is formed on the outer peripheral surface. Also on
When the main body drive motor 201 is rotated in the CW direction,
The lifting carrier 216 rotates toward the spool 217,
The winding planetary gear 215 and the spool 217
Meshing and rotating. Further, the upper outer periphery of the spool 217
The surface has a claw that engages the perforation hole in the film
217b is formed to project from the spool 217.
The film can be wound by rotating
I have. The locking lever 218 has one arm 218a disengaged.
Engage with plunger iron core 206b of replacement plunger 206
Then, the other arm 218b locks the carrier 204.
The plunger is supported swingably between the two ends.
When the iron core 206b is attracted to the coil 206a, the carrier
204 is released. The panoramic sun gear 219 is connected to the planet gears.
Gear 203 meshes with the hoisting sun gear 208
The main unit drive motor 201 rotates in the CCW direction
Then, it comes into mesh with the hoisting planetary gear 215.
ing. In addition, the panorama planet gear 220 is
It is supported so that it always meshes with the Norama sun gear 219.
ing. The panorama carrier 221 stores the panorama sun
The gear 219 and the center of rotation are arranged at the same position.
The panoramic planetary gear 220 is supported with frictional force.
And the center of rotation of the panoramic planetary gear 220
And extend below the panorama planetary gear 220
Shaft 221a is formed. The cam gear 222 switches the shooting screen size.
The planetary gear 203 is the upper gear
When engaged with the hoisting sun gear 208, the main body
When the drive motor 201 is rotated in the CCW direction,
The lifting carrier 216 has the panoramic sun gear 219
Side and the hoisting planet gear 215 is
Mesh with the sun gear 219 and rotate it
Has become. Also, the panoramic sun gear 219 rotates.
By doing so, the panoramic carrier 221 is
Pivot to two sides, panorama planetary gear 220 and cam gear
222 meshes and rotates it. Further, on the upper part of the cam gear 222,
Detects the state of the two light shielding masks 242 and 243
A second key for operating the screen size detection switch 245
A second cam 222b.
The two light-shielding masks 242 and 243 are moved upward.
A first cam 222a is formed. The switching lever 223 has one end at one end thereof.
Panorama planetary gear 220 of panorama carrier 221
A groove 223a that engages with a shaft 221a that supports
The other end of the switching lever 223 has a protrusion.
223b is provided vertically. The protrusion 223b is
The cam 51d formed on the transfer frame 51 is
The first rotation makes contact. The switching lever 223 has a support shaft in the middle thereof.
Is rotatably supported by the other arm end.
The arm 51 is rotated by the rotation of the cam 51 d of the rotating frame 51, and is rotated by one arm
The panorama carrier 221 engaged with the part is rotated.
Swelling. As a result, the panorama planet gear 220
Is designed to mesh with the first rewind gear 224
You. On the other hand, the cam 51d of the rotating frame 51 and the cam 51d
When the projection 223b is located at a distance, the switching lever
Bar 223 is driven by panorama carrier 221
It has become. The first rewind gear 224 and the second
Rewind gear 228, third rewind gear 229,
Four rewind gear 230, fifth rewind gear 231
Corresponds to the rotation of the panoramic planetary gear 220, respectively.
It is to be driven. The first rewind gear 2
Reference numeral 24 denotes a two-stage spur gear, and a fifth rewind gear 23.
Reference numeral 1 designates the center of rotation with the spool shaft in the patrone (not shown).
The spool shaft (not shown)
Not shown for rotating the film to rewind the film
Hawk. FIGS. 7 to 17 show the panorama of this embodiment.
It is explanatory drawing which showed the switching mechanism. FIG. 7 shows the entire panorama switching mechanism.
8 to 11 are perspective views of the camera.
FIG. 4 is a plan view showing a cam gear that is driven. FIG.
Indicates that a large shooting screen size is selected for the camera.
FIG. 4 is a front view of a main part showing a panorama switching mechanism in a standby state.
FIG. 13 shows a narrow photographing screen size of the camera.
Main part showing the panorama switching mechanism in the selected state
FIG. In addition, FIG.
Panorama switching when shooting screen size is selected
FIG. 15 is a side view of a main part showing a mechanism, and FIG.
Panora with narrow shooting screen size selected
It is a principal part side view which shows a machine switching mechanism. FIG.
Indicates that a large shooting screen size is selected for the camera.
FIG. 14 showing the panorama switching mechanism in the state
FIG. 17 is a side view of the main part as viewed from the opposite direction, and FIG.
In a state where a narrow shooting screen size in
Is the direction opposite to that of FIG. 15 showing the panorama switching mechanism?
It is the principal part side view seen from. As shown in FIG. 7, the first panoramic gear 2
Reference numeral 40 denotes a ground plate (not shown) at the swing center 240d.
It is swingably supported in the middle and vertical directions. In addition,
A cam gear 222 is provided below the panoramic gear 240.
Is a cam follower that contacts the first cam 222a
An arm 240a is formed, and the rotation of the cam gear 222 is formed.
Movement causes the first panoramic gear 240 to swing
It swings around the center 240d as a fulcrum. The first
The tip of one arm of the panoramic gear 240 is a partial gear 240
b and a partial gear 240c at the tip of the other arm.
Each of the lower light-shielding masks 24 is formed.
2, meshes with the second panoramic gear 241. The second panoramic gear 241 is shown in FIG.
As shown in FIG.
In the drawing, it is swingably supported in the vertical direction, and the tip of one arm
A partial gear 241a is formed, and the first panoramic gear
-240 meshes with the partial gear 240b
It will swing in cooperation with the rotation of the first panoramic gear 240
Swelling. Also, at the tip of the other arm, a partial gear 2
41b is formed and meshes with the upper light-shielding mask 243.
are doing. The lower light shielding mask 242 and the upper light shielding mask 242
The light shielding mask 243 is fixed at the base end (not shown).
The shaft 239 is supported so as to be movable up and down in FIG.
ing. The fixed shaft 239 is formed by a ground plate (not shown).
Supported. The lower light-shielding mask 242 is mounted on the fixed shaft.
239 can be moved in the axial direction, and the light
42a is in the photographing aperture opening 4c of the main body 4.
It is designed to enter or evacuate. The lower side
The movement of the light shielding mask 242 is formed on one side surface of the base end portion.
The first panoramic gear 2 meshing with the gear 242b
It is made to follow the swing of 40. The upper light shielding mask 243 has a fixed shaft (not shown).
239, the lower light-shielding mask can be moved in the axial direction.
242 is supported. The upper light shielding mask 243
The light-shielding portion 243a is moved by the movement of
To enter or evacuate. What
The upper light-shielding mask 243 moves on one side of the base end.
Second panoramic gear meshing with the gear 243b formed at
Is performed following the swing of the gear 241.
You. Also, a flash is provided on the upper surface of the base end of the upper light shielding mask 243.
243c is formed to protrude, and the finder
Gear with the panorama switching gear 171 that transmits power to the
I agree. The upper and lower light shielding masks 242,
The light-shielding mask is elastically connected between the bases of H.243.
Panoramic spring 244, which is an elastic member
I have. In this embodiment, the panoramic spring 244 is
Energize the optical masks 242 and 243 in a direction to approach each other.
Arm 240 of the first panoramic gear 240
a, the contact force to the cam gear 222 is generated.
You. The screen size detection switch 245 is not shown.
Of the cam gear 222.
Of the cam 222b. And the cam gear
The rotation of 222 causes the screen size detection switch 245
(Hereinafter abbreviated as PN detection SW245) on / off
Is performed. The date holder 246 is provided with the upper light shielding mass.
243, date lens 248, LED
247, and the upper light-shielding mask 243 is moved.
To move integrally. Also,
At the rear end, light-shielding projections 246a and 246b are provided.
Is taken at the larger screen size (standard screen size).
At the time of shadow, the hole 4e of the main body is shielded by 246b,
To prevent film exposure. on the other hand,
When shooting with a smaller screen size (panorama screen size)
Is designed to shield 4d from light at 246a.
To prevent exposure of the film due to harmful light.
ing. The light emitting LED 247 is connected to the date holder.
Data 246 on the film.
This is a light emitting element for performing imprinting. In addition,
The lens 248 is supported by the date holder 246.
Carried by the light emitting LED 247
This is a lens for focusing light on a film. Further
In addition, a film photo reflector 249 (hereinafter referred to as a film
PR249) is the perforation of the film.
The perforation is located at a position facing the
Reads the movement of the hole and generates and outputs a pulse signal
It has become. The main body 4 performs exposure on the film 13.
And has a shooting opening 4c for
Hole 4d and screen for imprinting date in standard condition
For imprinting a date when the size is panoramic
And a hole 4e. According to the present embodiment, one motor
Zooming operation, film winding operation, film
Performs each operation of rewinding operation and switching of the shooting screen size.
Can be. The operation will be described below. First, the zooming operation will be described with reference to FIG.
I will tell. FIG. 3 shows the main state when the zooming operation is possible.
It is the top view which showed the gear train required. As shown in FIG.
The planetary gear 203 meshes with the first zoom gear 209
Zooming is possible when At this time the body
By energizing the drive motor 201 and rotating it,
The first zoom gear 209 to the fifth zoom gear 22
7 rotates to rotate the rotating frame 51 and zoom P
Rotate the I gear 212 to detect the amount of rotation of the rotating frame 51
I do. Also, as shown in FIG.
An encoder pattern sheet 76 is affixed to this
The zoom photo reflector 139 (hereinafter, referred to as the opposing position)
Zoom PR 139). this
As a result, the reference rotation position of the rotation frame 51 is detected,
Detection of fine rotation amount by output from
I do. The main body drive motor 201 rotates in the CW direction.
When the camera is turned, it is extended from the collapsed state to the wide-angle state and telephoto
Zoom in to the side and rotate in the CCW direction
Zooming to the wide-angle side
Performs the collapsing operation of the lens frame. Zoom encoder pattern
The sheet 76 changes the output of the zoom PR 139 as follows.
It is provided to be. That is, from the collapsed area
“L” level up to the wide end,
"H" level before the end, "L" level at the tele end
Become. Next, the film winding operation will be described with reference to FIG.
Will be explained. FIG. 4 shows the state when the film winding operation is possible.
FIG. 3 is a plan view showing a main gear train to be driven. As shown in FIG.
As shown, the planetary gear 203 is
8 can be wound up. This and
When the main unit drive motor 201 is energized, it rotates in the CW direction.
Then, the hoisting planet gear 215 and the spool 217
The spool 217 is rotated by meshing. And the sp
Of the film 13 wound by the rule 217
Is detected by the film PR249. Next, the film rewinding operation will be described with reference to FIG.
Will be explained. FIG. 5 shows a state where the film rewinding operation is possible.
FIG. 3 is a plan view showing a main gear train to be driven. As shown in FIG.
As shown, the planetary gear 203 is
8 and the panorama carrier 221 rotates
The frame 51 rotates to the first rewind gear 224 side by the rotation of the frame 51.
The panorama planetary gear 220 is
Can be rewound when engaged with rewind gear 224
It works. In the present embodiment, when retracting,
The cam 51d rotates the protrusion 223b of the switching lever 223.
Thus, rewinding is possible. Therefore,
When the lens barrel is not in the retracted position, rewinding is impossible.
When the main body drive motor 201 rotates in the CCW direction
Is rewound. During the rewinding, the panorama planetary gear
Gear 220 and the first rewind gear 224 mesh with each other.
The switching lever 223 rotates counterclockwise due to the reaction force of
Since the force acts, the rotating frame 51 does not rotate with this force.
Thus, the end 51d 'of the cam 51d is perpendicular to the optical axis.
Surface. Next, the photographing screen size switching operation will be described with reference to FIG.
It will be described in the light of the above. FIG. 6 shows a state in which the photographing screen size can be switched.
FIG. 3 is a plan view showing a main gear train in the vehicle. In this FIG.
As shown, the planetary gear 203 is the hoisting sun gear 2
08 and the switching lever 223 is
Screen size when it is free for one cam 51d
Can be switched. So when the lens frame is collapsed
Switching of the screen size becomes impossible. Further, the planetary gear 203 is connected to the first gear.
Screen size when meshing with the
When the replacement is to be performed, first, the planetary gear 20
3 needs to be meshed with the hoisting sun gear 208.
is there. For this purpose, first, the coil 206a is energized,
Release the locking of the carrier 204, and then
The carrier 20 is rotated in the CW direction by energizing the carrier 201.
4 is rotated. At this time, the
When the power is continuously supplied to the
The direction of rotation of the body drive motor 201 and film winding
The rotation direction of the main body drive motor 201 is the same.
The spool rotates and the film is wound up.
There is a problem that it is lost. For example, Zumi
If you switch between screen and screen size alternately,
Hasn't taken any pictures, but little by little film
It will be wound up. In order to solve this problem, in this embodiment,
, The carrier 204 is rolled up by the sun gear 20
8 when the main drive motor 201 is driven.
Reduce the pressure and carry with a weak force that cannot
A is controlled so as to rotate the a 204. Also,
Make the energizing time to the main unit drive motor 201 as short as possible.
Therefore, a photo-in for detecting the position of the carrier 204 is required.
A carrier PI207 is provided as a taper. Also, the carrier 204
Immediately before the rotation to the gear 208 ends, the carrier
Make the pulse output from PI 207 change
The pulse output is detected and the
By controlling the power supply to stop, the main body drive motor 20 is controlled.
1 can minimize the energizing time. In this way the real
In this example, film winding when switching screen size
Has been solved. When the main body drive motor 201 is in the CCW
When the panoramic planetary gear 220 rotates in the
Gear gear 222 and rotate the cam gear 222.
Let Hereinafter, the screen size by the rotation of the cam gear 222 will be described.
The procedure for switching the sizes will be described. The screen size switching mechanism is as shown in FIG.
And the rotation of the cam gear 222
The first panoramic gear 240 rotates, and the lower light shielding mask 2
42, the upper light-shielding mask 243 not shown only the center line
Move parallel to the fixed axis 239 of
Screen size by repeating advance and retreat
Perform Hereinafter, the position of the cam gear 222 and the screen size
The following describes the relationship between the sizes. FIG. 8 shows a standard screen size in this embodiment.
Gear 222 and the first panoramic gear
FIG. 24 is a plan view showing a positional relationship between the arm 240a and the arm 240a.
You. In the drawing, reference numeral 222c denotes the first cam 222a.
Reference numeral 22 denotes a range held in the standard screen size.
2d indicates a range held by the panorama screen size.
You. In the state shown in FIG. 8, the upper light shielding
Both the mask 242 and the lower light-shielding mask 243 have a photographing opening.
Escaped out of 4c and kept the screen size in the standard state
And the screen size detection switch 24
5 is turned off by the second cam 222b of the cam gear 222.
Is held in the off state. Then, the photographer
Operate an operation member (not shown) for shooting in the face size
And the main body drive motor 201 is energized, and the cam gear
222 begins to rotate. FIG. 9 shows the arm of the first panoramic gear 240.
The part 240a is turned toward the center of the cam gear 222.
It is a top view which shows the state at the moment of moving. At this time, the lower light-shielding mask 242 and the upper
Both side light-shielding masks 243 move to the panorama screen size position.
Screen size detection switch 245 is still off.
Is in the off state. FIG. 10 shows a state slightly above the state shown in FIG.
FIG. 4 is a plan view showing a state where the cam gear 222 is rotated.
You. At this time, the screen size detection switch 2
45 is turned on, and the screen size detection switch 24 is turned on.
The state change of 5 is detected and the power supply of the main body drive motor 201 is turned on.
The rotation of the cam gear 222 is stopped. Like above
The procedure switches to the panorama screen size.
You. The movement of the light shielding mask and the screen size detection
There is a time lag between the change of the state of the output switch 245
This guarantees the certainty of the switching of the light shielding mask. The panorama of the upper light shielding mask 243
Magnifying lens frame 1 by moving to screen size position
67 moves and is integrated with 167 in the viewfinder optical path
Field mask portion 167a, eyepiece zoom lens 15
7 has entered and the viewfinder field of view
Changes to a similar or similar shape, and the observation magnification changes
So let the photographer know that the shooting mode has changed
Can be The screen size in the operation described above is
Dimensional accuracy, but screen size in the direction of the fixed axis 139
The lower light-shielding mask 242 and the upper light-shielding mask 243
Obtained by applying For this reason,
Accurate screen size without error due to variation
Is obtained. Therefore, at this time, the cam gear 222
1 cam 222a and arm 2 of first panoramic gear 240
40a is not in contact. Also, the center of the screen during the operation described above
For the displacement of the screen, the mechanism of this embodiment is used.
For example, the first panoramic gear 240, the second panoramic gear 2
Symmetry 41 is just reflected in the mirror with respect to the center of the screen
The lower light-shielding mask 242 and the upper light-shielding mask
The light shielding portions 242a and 243a of the disc 243 are defined.
If placed symmetrically with respect to the center of the
Makes a mirror-like movement with respect to the center of the surface.
Therefore, use a structure for achieving center position accuracy.
Instead, the center of the screen can be obtained with high accuracy. Next, the photographer switches to the standard screen size.
When the operation member (not shown) is operated for
Power to the motor 201 is started and the cam gear 222 rotates.
start. FIG. 11 shows the first panoramic gear 240
Arm 240a of the first cam 2 of the cam gear 222
22a moves away from the center of the cam gear 222
FIG. 4 is a plan view showing a state where the camera has been rotated in a direction. At this time, the lower light-shielding mask 242 and the upper
The side light shielding mask 243 has been moved to the standard screen size position.
However, the screen size detection switch 245 is still on.
State. The cam gear 222 is less than in this state.
When rotated, each of the above masks remains at the standard screen size position.
Also, the screen size detection switch 245 changes to the off state.
Then, this state change is detected, and the
The energization is stopped, and the rotation of the cam gear 222 is stopped. Follow
As a result, the state returns to the state shown in FIG. The standard screen support is performed by the procedure as described above.
The switching to the size is performed. Also like this,
Movement and the state change of the screen size detection switch 245
The time lag is provided between
It guarantees certainty. The standard image of the upper light-shielding mask 243 is
The eyepiece zoom lens frame 167 moves due to the movement to the surface size.
Field mask part 1 that moved and entered the viewfinder optical path
67a, since the variable power lens 157 is retracted from the optical path,
Let the photographer know that the shooting mode has changed
it can. Next, the data imprinting apparatus will be described.
You. In this embodiment, data imprinting is performed during film feeding.
The method of copying the data is adopted. The light-emitting LED 247 emits one sentence per light emission.
Character data can be illuminated while film is being fed.
It emits light multiple times to form character string data
I have. The light emitted from the light emitting LED 247 is
Image 248 on the film after passing through the
Do just that. LED 247 and date lens 248
Supported by date holder 246, date
The solder 246 is fixed to the upper light shielding mask 243.
You. Therefore, the upper light-shielding mask 243 is moved
The screen size is switched because the date holder 246 also moves.
The position where data is imprinted changes depending on the
On the photo that was created when the panorama screen size
The data is printed. FIGS. 18 to 21 show the present embodiment.
FIG. 4 is an explanatory diagram showing a film feeding amount detecting unit. The body 4 has a patrone chamber 4a,
A spool chamber 4b is formed.
Exposure opening (aperture) 4c is formed between tool chambers 4b
Have been. Also, holes 4d and 4e for imprinting data are formed.
Data is printed on the film through the hole.
It has become so. The lens frame unit 2 includes the taking lens 14
0 and is fixed to the main body 4. this
The taking lens 140 is an image of the subject on the film 13.
Is a photographic lens that forms an image in the lens frame unit 2.
Have been. Further, the spool 217 is mounted on the main body 4.
The film 1 is rotatably arranged at the center of the pool room 4b.
3 is performed. In addition,
The trolley 12 is stored in the patrone chamber 4a of the main body 4.
The film 13 is wound inside. The book
In the embodiment, a 35 mm roll film is used as the film 13.
Lum is adopted. The roller 260 is shown in FIGS.
As shown, the cylindrical portion 260a contacting the film 13 and each surface
Formed with a polygonal column 260b formed with a uniform reflecting surface
Have been. In addition, a shaft (not shown) passes through the center,
60 is rotatably supported. The shaft (not shown)
Is fixed to the main body 4 and the roller 260 is
3 is driven to rotate. Data Imprint Timing Photo Reflect
Data 261 (hereinafter abbreviated as data PR 261)
Polygonal column 260b formed by the reflection surface of the roller 260
Is disposed at a position opposite to. And the roller 2
Due to the rotation of 60, the reflection surface of the polygonal column 260b and the data
When PR 261 heads in parallel, the data PR
261 is reflected by the reflecting surface and is again
Data PR261. As a result, the data PR
261 is generated.
You. The leaf spring 262 is fixed to the rear lid 25,
It is in elastic contact with the 60 cylindrical portions 260a. Also,
The pressure plate 263 is attached to the rear lid 25 via a pressure plate spring 264.
It is attached and prevents floating of the film 13
The flatness of the lum 13 is enhanced. The pressure plate spring 264
Is an urging force for elastically urging the pressure plate 263 toward the main body 4.
It is attached to the rear lid 25 by means. The above-mentioned light emitting LED 248 is used for imprinting data.
Light-emitting element having 7 segments for
One character data can be expressed by light emission
It is supported by the date holder 246. Also,
The date lens 247 is driven by the light emission of the light-emitting LED 248.
A lens for imaging characters on the film 13.
And are also supported by the date holder 246. The date holder 246 is, as described above,
Supports the light emitting LED 248 and date lens 247
And is fixed to the upper light-shielding mask 242.
Further, the center of the hole 4d or 4e of the main body 4 and the light emission L
ED248, center of date lens 247 is coaxial
It moves up and down to such a position. In FIG. 18, reference numeral 11 denotes a flash main body.
Reference numeral 10 denotes two power supply
It is a pond. The film PR249 is a film 13
Is provided at a position facing the perforations of
Through the output pulse signal of the photo reflector 249
Count the number of perforations, one frame of film
Feeding is performed. Further, reference numeral 21 denotes
A front cover serving as an exterior part of the camera.
A rear cover that pivots to support the back cover 25.
are doing. The back cover 25 has a hinge at one end.
And the above-mentioned rear cover is provided around the hinge portion as a rotation center.
24 and can be opened and closed. Also, the above plate
A spring 262 and a pressure plate spring 264 are mounted. What
The back cover shaft 26 rotates the back cover 25 and the rear cover 24.
It is a shaft that is movably supported. Further, reference numeral 27 indicates a turtle.
36 and 3 are side covers serving as exterior parts of
7 and 38 are operation buttons, and reference numeral 40 is a button.
Each shows a viewfinder window. Next, the operation of the roller 260 will be described.
I will tell. As shown in FIG. 18, the main body drive motor
The spool 217 is rotated by the rotation of
When the film 13 is taken up, the roller 260
To rotate. When the roller 260 rotates, the row
Better follow the movement of the film 260 and the film 13
The pressing force between the roller 260 and the film 13
It needs to be strong to some extent. That's why I mentioned above
Elastically presses the back cover 25 against the roller 260
A leaf spring 262 is attached. This leaf spring 26
2 is attached to the back cover 25,
When opened, the pressure contact between the roller 260 and the leaf spring 262 is released.
It is. Here, the patrone 12 is loaded, and the film 13
Align the end with the automatic loading index (not shown) and close the back cover 25.
When the film 13 is turned, the film 260
The roller 26 is held between the rollers 26 by the elastic force of the leaf spring 262.
Contacted with 0. The roller 260 moves in the film advancing direction.
The arrangement position is near the entrance of the spool chamber 4b of the main body 4,
Film 13 is wound around a spool 217
The spool 217 from a direction substantially parallel to the exposure opening 4c.
By changing the direction of
To increase the force with which the drum 13 contacts the roller 260.
it can. In this embodiment, the roller 26
0 follow the movement of the film 13 is improved.
You. Next, the way the roller 260 advances the film
The arrangement position in the direction orthogonal to the direction will be described. In this embodiment, the filling of the roller 260
The arrangement position of the rubber contact portion 260a is taken into consideration.
That is, the film contact portion 260a is
The film may be damaged if it is placed in a position where it contacts the shooting screen.
And may touch the perforation holes.
The film 13 of the roller 260
In this embodiment,
The film contact portion 260a of the roller 260 is
Position that abuts the outer edge of perforation hole 3
It is arranged in. FIG. 20 shows the position of the roller 260 at the optimum position.
An example is shown below. Now, the rotation of the roller 260
A pulse signal is generated in the
Calculate the film feed amount by counting the number of films
be able to. For example, the roller 260 rotates 10 times.
When you do, it will be equal to the winding amount of one frame of film
Set the diameter of the roller 260 so that the polygonal column 260b
Assuming a hexagonal prism, the number of output pulses per frame is 10 (times)
X) (square prism) = 60 (pulses). Meanwhile known
Parser opened on film 13 by photoreflector
With the film feed detection method that directly reads the folation
Is 8 pal because one frame of film is 8 perforations
Output. Therefore, using rollers is finer
The film feed amount can be detected. Further, the date and the like are imprinted on the print of the photograph.
These photos have become popular in recent years.
If the camera is equipped with a lum feed and detection device,
A simple data imprinting device can be realized with a simple configuration. The data imprinting apparatus is capable of imprinting the data.
Imprinting is performed during film feeding,
As shown in FIG. 18 and FIG.
Date lens 247 is supported by date holder 246
The date holder 246 is positioned with respect to the main body 4.
ing. The body 4 has a hole 4d for imprinting data.
The light emitted by the light emitting LED 248
Film 1 by passing through date lens 247
3 on which data is imprinted
You. The light-emitting LED 248 emits one light emission.
Data for one character can be exposed. Therefore
When imprinting the data, the film 13 is fed
4 when passing through the hole 4d.
Flash sequentially as many times as necessary to imprint the data.
I have. The feeding speed of the film 13 is controlled by the patrone.
12 for changing the amount of pull-out force and for winding (not shown)
Variations in mechanical accuracy and friction of the gear train and hoisting motor
Not always constant due to wear, etc., always changes little by little
are doing. Thereby, the feeding speed of the film 13 is detected.
Without emitting, always turn on the LED 248 every fixed time
If you try to imprint data with the flash,
The character spacing of the character string printed on the program 13 has increased.
Narrowing or overlapping characters
The feed speed must be detected with high accuracy.
No. In this embodiment, the data PR261
By measuring the interval between the output pulse signals of
Is detected. Where the known perfor
In the film feed detection method that directly reads the
Since the output is 8 pulses per frame, the resolution per frame is 8
Become. On the other hand, if the roller described above is used, 60
Generates pulse output signal, so resolution per frame
Is 60, and the feed detection device using rollers feeds
Speed detection can be performed finely, and the space between characters when imprinting data
It is possible to control the light emission interval so that the intervals are correctly aligned. The polygonal column 260 of the roller 260
b need not be hexagonal as in the illustrated roller,
Considering the character spacing etc. when imprinting data
Just do it. In addition, reflective surfaces such as silver and black
Cylinders alternately painted on the reflecting surface may be used. This embodiment
Is used for the data imprinting function,
Since it is necessary, the polygonal column 260b is a polygon with many sides.
It has become. Differences in character spacing due to the above-mentioned coarse and fine resolutions
This is shown in FIGS. FIG. 22 shows a case where the resolution is high and the data PR
Each time there is one output pulse signal from
An example of imprinting is shown. FIG. 23 shows that the resolution is coarse.
In case, there is one output pulse signal from data PR261
An example is shown in which four characters are printed every time. In the example shown in FIG. 22, data PR261
When one of these output pulse signals is generated, the data
Is performed for one character. The film feeding speed changes
The output pulse signal from the data PR 261
Since the interval between signal occurrences changes, the data
The character spacing becomes constant. In the example shown in FIG. 23, data PR2
Change in feed rate between two output pulse signals from 61
Control means, the feeding speed is constant
Control assuming that
The intervals vary. Output from the data PR261
The number of characters printed for each force pulse signal is small.
The variation in character spacing can be minimized, and the characters to be imprinted
The greater the number, the greater the variation in character spacing. In this embodiment, the detection of one frame advance of the film is performed.
Is a film PR that detects the movement of perforations
Since 249 is used, it increases each time the number of shots increases
There is no cumulative error in the film feed, and a copy of the date
Only the method of reading the rotation of the roller 260 with high resolution
Realizes a camera with stable data character spacing
it can. Next, the film feed amount in the above embodiment.
A modified example of the detection mechanism will be described. The diameter of the roller 260 is manufactured with high precision.
Error of one-frame feed of film
Therefore, the data PR26 for detecting the rotation of the roller 260
The film may be advanced by one frame only by one. This
In the case of, the film PR249 can be abolished,
Type camera (see FIG. 35). In addition,
If the camera does not have a
The polygonal part 260b of the roller 260
A small number of polygons may be used. FIG. 24 is a view showing the electric power in the camera of this embodiment.
FIG. 3 is a block diagram illustrating a configuration of a circuit. The bipolar IC 402 has a zoom PI 21
3, zoom PR139, carrier PI207, film
PR249, pulse signal input from data PR261
Then, each waveform is shaped and output to the main CPU 401.
You. Further, each actuator from the main CPU 401
Shutter plunger drive circuit 49 based on the drive signal
1, body drive motor drive circuit 492, switching plunger drive
The shutter plunger 99 and the main body drive
The dynamic motor 201 and the switching plunger 206 are driven. A main CPU 401 drives the entire camera.
The CPU that controls the
Mode switch (SW) 318, zoom tele switch (S
W) 319, zoom wide switch (SW) 320,
Norama changeover switch (SW) 321, forced rewind switch
(SW) 322, data imprint mode changeover switch
(SW) 333 state is detected and the screen size is
The state of the detection switch (SW) 245 is detected. Also,
Based on each of the above input signals, the bipolar IC 402 and
An operation signal is output to the date CPU 403 and the like. Sa
Furthermore, the state of the power switch (SW) 317 is detected and the
ON / OFF of the power of the entire camera is controlled. [0109] The date CPU 403 determines the date, month, day,
The hour / minute data is always calculated.
The light emitting LED 2 based on the imprint signal from
47 is caused to emit light, and the data is printed on the film 13. The shutter plunger 99 is a shutter
Driven by plunger drive circuit 491 to apply voltage
The shutter opens and the current is turned off.
This closes the shutter. Next, each operation of the present embodiment will be described with reference to FIGS.
This will be described with reference to the flowchart shown in FIG. FIG. 25 shows the lens barrel extended from the collapsed state to the wide end.
6 is a flowchart showing the operation. The power switch 317 is switched from OFF to ON.
Then, the feeding operation to the wide end starts (step
S1). First, the planetary gear 203 is first moved to the lens frame drive side.
Judge whether the link is connected, that is, whether the WZ flag is 1
It is determined whether or not there is no connection (step S2), and if not connected
Is a subroutine for switching the carrier 204 to the lens frame driving side
(W to Z) is executed (step S3). That
Thereafter, it is determined whether or not the wide end flag is 1 (step S).
4) If 1, return to the main routine.
Step S11). If the flag is not 1, the
The drive motor 201 is set to the “H” level with the zoom PR 139
(Step S5, Step S5)
S6) Extend to the wide end. After this, the main body drive motor
After turning off 201 (step S7), the wide end flag
Is changed from 0 to 1 (step S8), and the collapsed flag is further set.
From 1 to 0 (step S9). And zoom P
The counter of I213 is reset (step S1
0), returning to the main routine (step S1)
1). FIG. 26 is a diagram showing the operation when zooming to the tele side.
It is a flowchart which shows a work. The zoom tele switch (SW) 319 is turned on.
In this state, the telezooming operation is started (step
Step S101). This telezooming operation is performed in accordance with FIG.
As in the extension operation shown in FIG.
After switching to the active side, zoom to the tele side and
If it is in the end state, zooming is terminated there. Less than,
Details will be described. First, the planetary gear 203 is driven by the lens frame.
Side, that is, if the WZ flag is
It is determined whether the number is 1 (step S102).
If there is no sub, switch the carrier 204 to the lens frame drive side.
Execute a routine (W to Z) (step S10)
3). Thereafter, it is determined whether the tele end flag is 1 or not (step
(Step S104) If 1, return to main routine
(Step S112). If the flag is 1,
If not, rotate the main body drive motor 201 in the CW direction.
(Step S105), the zoom PI 213 is monitored.
(Step S106), the wide end flag is changed from 1 to 0
(Step S107), the zoom PR 139 is set to “H” level.
It is determined whether or not it is a bell (step S108). And
If the zoom PR 139 is at the “H” level and the zoom
Until the teleswitch (SW) 319 turns off (step
S109), returning to step S105, the main body drive motor
Rotate 201. In the above step S109, the zoom
When the switch (SW) 319 is turned off,
In step S108, the zoom PR 139 is at "H" level.
If not, the tele end flag is changed from 0 to 1 (step S
110), and turns off the main body drive motor 201 (step S
111), and returns to the main routine (step S
112). FIG. 27 shows the state when zooming to the wide side.
It is a flowchart which shows an operation. When the zoom wide switch (SW) 320 is
In the N state, the wide zooming operation is started (the
Step S201). This zooming operation is performed according to FIG.
The gear train is driven by the lens frame as in the extension operation shown in
Zoom to the wide side after switching to the
Monitor the PI output when the camera is in the wide-end state.
Ends zooming. Hereinafter, the details will be described. First, the planetary gear 203 is driven by the lens frame.
Side, that is, if the WZ flag is
It is determined whether the number is 1 (step S202).
If there is no sub, switch the carrier 204 to the lens frame drive side.
Execute a routine (W to Z) (step S20)
3). Thereafter, it is determined whether the wide end flag is 1 or not (s
Step S204) If 1, return to the main routine.
(Step S212). If the flag is 1,
If not, rotate the main unit drive motor 201 in the CCW direction.
(Step S205), and monitor the zoom PI 213.
(Step S206), the tele end flag is changed from 1 to 0
(Step S207), count number of zoom PI 213
It is determined whether the end is the wide end (step S2).
08). Then, from the count number of the zoom PI 213,
When not at the wide end, and when the zoom wide switch (S
W) Until the switch 320 is turned off (step S209),
Returning to step S205, the main body drive motor 201 is rotated.
You. In step S209, the zoom
When the id switch (SW) 320 is turned off,
In step S208, the count value of the zoom PI 213 is used.
When it is the wide end, the wide end flag is set from 0 to 1
(Step S210), and the main body drive motor 201 is
Off (step S211) and return to the main routine
(Step S212). FIG. 28 shows a state where the mirror frame is in the collapsed state from the photographing area.
5 is a flowchart showing an operation at the time of driving. When the power switch (SW) 317 is turned ON to O
When the mode is switched to the FF, the collapsing operation is started (step
S301). Also, during the film winding operation described later
When the film ends and automatic rewinding starts (Fig.
29) and forced rewind switch (SW) 3
In the rewinding operation (FIG. 30) when 22 is turned on
Also, the collapsing operation is performed. This collapsing operation is performed by the repetition shown in FIG.
The gear train is switched to the lens frame drive side reliably, as in the extension operation.
After zooming in, the output of zoom PI does not change.
It is judged that collapsing is completed in the state where
You. Hereinafter, the details will be described. First, the planetary gear 203 is driven by the lens frame.
Side, that is, if the WZ flag is
It is determined whether the number is 1 (step S302).
If there is no sub, switch the carrier 204 to the lens frame drive side.
Execute a routine (W to Z) (step S30)
3). Thereafter, it is determined whether or not the collapsed flag is 1 (step).
(Step S304) If 1, return to the main routine
(Step S311). The flag is not 1
Then, move the main body drive motor 201 out of the zoom PI 213.
Rotate in the CCW direction until there is force (step S30)
5, Step S306), and move to the retracted position. this
Then, after the main body drive motor 201 is turned off (step S3
07), the collapsing flag is changed from 0 to 1 (step S30).
8) Further, the tele end flag is changed from 1 to 0 (step)
S309). And change the wide end flag from 1 to 0
(Step S310), returning to the main routine
(Step S311). FIG. 29 shows the operation of winding one frame of the film.
It is a flowchart which shows. ON operation of the release switch (SW) 318
The shutter plunger 99 is activated by the work, and the film
The winding operation is started after the exposure operation for
(Step S401). First, first planetary gear 20
3 is connected to the film drive side,
First, it is determined whether the WZ flag is 0 (step S40).
2) If not connected, fill the carrier 204
Subroutine (Z to W) for switching to the
(Step S403), and then start the winding operation.
I do. Further, a data transfer mode switching switch is provided.
Switch (323) depending on the state of the switch (SW) 323
The data is copied during film winding.
Execute the loading operation (Steps S404 to S4)
06). In addition, the film winding operation is performed on the film PR2.
Monitor the output of 49 and perforate the film
Rolls up to the end of the film or the end of the film
Is completed and the predetermined time set by the winding timer elapses
(Steps S407 to S407)
S422). FIG. 30 shows the film rewinding operation.
FIG. This rewinding operation is performed by the winding operation shown in FIG.
The film is wound up to the end while the winding operation is in progress.
And the forced rewind switch (SW) 322 is
The process is started when N is reached (step S501). In this rewinding operation, the lens barrel is first collapsed.
The panorama planetary gear 220 in the first winding
The return gear 224 is engaged, and then the carrier 204 is
Subroutine for switching to film drive side (Z to W)
(Steps S502 to S50)
7) Then, a rewind operation is performed. That is, the output from the film PR249
Until the motor is no longer detected.
(Step S508, Step S50)
9), T1 second is set in the timer (step S510),
The main body drive motor 201 is turned off (step S51).
1). After this, reset the film frame counter (step
S512), returning to the main routine (step S512)
S513). FIG. 31 shows a photographing screen in normal size and
Switching operation to any of Norama size (hereinafter, panorama
6 is a flowchart showing a switching operation). The panorama switching operation is performed in a panorama switching mode.
It starts when the state of the switch (SW) 321 changes.
(Step S601). This switching operation is performed by first
Make sure that the
And then switch the carrier 204 to the film drive side
(Steps S602 to S606 and step
Step S611). Then, the PN detection switch (SW) 2
By monitoring the change of the state of 45, the screen size
Execute switching (steps S607 to S607)
615). Note that the timer T2 in step S614
In seconds, the PN detection switch (SW) 245 is turned from ON to OF
After switching to F, the cam gear 222 is rotated to
Guarantee that the surface size is switched to the normal size reliably
Timer. FIG. 32 shows that the carrier 204 is rotated.
The planetary gear 203 from the film drive side to the lens frame drive side.
Operation to switch to subroutine W to Z (step
It is a flowchart showing step S701). First, the switching plunger 206 is turned on (switch
Step S702) Until there is an output of the zoom PI 213
Rotate the main body drive motor 201 in the CW direction (step
(Step S703, Step S704). After this, the
Turn off the data 201 (step S705), and
The ranger 206 is turned off (step S706), and the WZ
Change the lag from 0 to 1 (step S707) and return
(Step S708). FIG. 33 shows that the carrier 204 is rotated.
The planetary gear 203 from the lens frame drive side to the film drive side.
To subroutine Z to W (step
It is a flowchart showing step S801). First, the switching plunger 206 is turned on.
(Step S802). Here, the main unit drive mode during switching
If the driving force of the motor 201 is large, the spool will be
Since 217 rotates and winds up the film 13,
Predetermined level at which film 13 cannot be wound
(Step S8)
03). This is the setting of the drive voltage from the main CPU 401.
A signal is output to the bipolar IC 402,
IC 402 and shutter plunger drive circuit 491
Performs the above operation. Switching operation is carried
Monitor that the output of API 207 becomes “L” level
To complete (step S804) to step S
808). FIG. 34 is a flowchart showing the data imprinting operation.
It is a low chart. The data imprinting subroutine starts.
When this is done (step S901), first, the data PR26
1 until the output changes.
Monitor the output of the data PR 261 (steps S902 to S902).
Step S904), the output of the data PR261 changes
And then copy the first digit of the data onto the film (step
S905). Thereafter, the data PR261
Until the output changes, the film PR249 and the data
Monitor the output of the data PR 261 (steps S906 to S906).
Step S908), the output of the data PR261 changes
And then copy the second digit of the data onto film (step
Step S909), and further, these series of operations are
Repeat until the last digit is imprinted (step S910
Step S913). As described above, the data is sequentially transferred to the film.
And the data imprinting subroutine ends (step
Step S914). FIGS. 36 to 39 show the lens frame unit and the book.
FIG. 3 is an explanatory view showing a light shielding structure between a body opening and a light shielding mask.
You. The main body 4 is located above and below the photographing opening 4c.
A light shielding structure with the lens frame unit 2 is provided on the side edge of the patrone room.
4g of continuous light-shielding ribs 4g
You. Also, a side edge of the photographing opening 4c on the spool chamber side is provided.
Is a light shielding groove that forms a light shielding structure with the light shielding masks 242 and 243
4f is formed. On the other hand, in the lens frame unit 2,
At the end of the photographing opening 4c facing the light-shielding rib 4g,
A light-shielding rib 2b that forms a light-shielding structure with the body 4 is provided.
The photographing opening in the lens barrel unit 2
4c, a light-shielding mask 24
2 and 243, a light-shielding groove 2a forming a light-shielding structure is formed.
I have. The lower light-shielding mask 242 is provided between the main body 4 and the mirror.
It is located between the frame unit 2 and is flat by the drive mechanism described above.
Lines are moved. In addition, the light shielding portion 242a
A part of the photographing opening 4c is shielded.
You. Further, light shielding ribs 242d and 242e are provided.
And has a shape corresponding to the light shielding groove 4f and the light shielding groove 2a.
ing. The upper light-shielding mask 243 is provided between the main body 4 and the mirror.
It is located between the frame unit 2 and is flat by the drive mechanism described above.
Lines are moved. Also, the light shielding portion 243a
A part of the photographing opening 4c is shielded, but the movement is upward.
It is assumed that the lower light-shielding mask 242 shields the photographing opening 4c.
The upper light shielding mask 243 also shields the photographing opening 4c
Then, the lower light-shielding mask 242 retreats from the photographing opening 4c.
When retracted, the upper light-shielding mask 243 also moves
c. Furthermore, the light shielding rib 2
43d and 243e are provided, and the light shielding groove 4f,
It has a shape corresponding to the light shielding groove 2a. 38 and 39 are indicated by hatching.
The light shielding structure between the main body 4 and the lens frame unit 2 is a light shielding rib 4.
g and a light-shielding rib 2b.
ing. Next, the lens barrel unit and the body opening are
The operation of the light shielding structure with the light shielding mask will be described. As shown in FIGS. 36 and 37, the main body 4 and the mirror
The frame unit 2 includes a light-shielding rib 4g and a light-shielding rib 2b.
It is engaged by the light shielding structure, and is mainly drilled on the exterior
Penetration into camera through holes in viewfinder window, flash window, etc.
To prevent the entering harmful light L from entering the photographing opening 4c.
However, in the case of a camera that can switch the screen size,
In order to drive the material from the outside, the main body 4 and the lens frame unit 2
There is a portion where the light-shielding structure cannot be formed. FIG. 38
Considering the reference, the right end face is
And the harmful light L enters from here,
There is a risk of being knocked down. In this embodiment, the harmful light L is prevented from entering.
Next, as shown in FIG.
2,243 to the main body 4 and the lens frame unit 2
The light shielding structure prevents the harmful light L from entering,
It is now possible to obtain high quality photos. The lower and upper light shielding masks 24
Reference numerals 2 and 243 denote captured images as shown in FIGS.
Move to switch the surface size, and move
The part is to be shielded. At this time,
Yes from a direction perpendicular to the direction of movement of the discs 242 and 243
In order to prevent the harmful light L from entering, the two light shielding masks 24 are used.
2 and 243, the light-shielding ribs 2 face each other.
42d, 242e, 243d, 243e are stretched
You. These light shielding ribs 242d, 242e, 2
43d and 243e are wide screen sizes as shown in FIG.
When you select a mask, each shading rib
242, 243 in the moving direction,
Light penetration from a direction perpendicular to the direction of movement of the light-shielding mask
Is to prevent. Next, a modified example of the light shielding structure will be described.
You. FIGS. 40 to 42 show a modification of the light shielding structure.
It is explanatory drawing which shows an example. In the first modification, as shown in FIG.
Two light shielding grooves 242f are provided in the side light shielding mask 242.
And the corresponding light-shielding ribs 4 on the main body 4
h, the light-shielding rib 2c in the lens barrel unit 2 is provided.
And has a light shielding structure. Also, the light shielding rib of the above embodiment
Movement of the light-shielding mask 242 corresponding to 242d and 242e
In the first modified example, the shape portion protruding in the direction
H-shape including 242f, the direction of movement of the light-shielding mask 242
It protrudes. Although not shown, the upper light shielding mask
The same applies to the light-shielding structure between the main body 243 and the lens frame unit 2.
is there. In the second modification, as shown in FIG.
In contrast to the above embodiment, the light shielding rib 242e and the light shielding groove 4f
And a light-shielding rib 243e.
The light-shielding structure composed of the light-shielding groove 4f is abolished.
You. Further, a third modification is shown in FIG.
As described above, the light shielding rib 242d and the light shielding groove 2
a, and a light-shielding rib 243d
And the light-shielding structure composed of the light-shielding groove 2a is abolished.
I have. These modifications are different from the above embodiments.
Path and space for harmful light L
No matter which structure is selected in consideration of the relationship of
It may be adopted in combination. [0159] As described above, according to the present invention,So
EachWithout the need for a dedicated motor,
Inexpensive and small that can be switchedSwitching the shooting screen size
Provide cameraCan doit can.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic configuration diagram showing a main part of a camera according to an embodiment of the present invention. FIG. 2 is a perspective view showing a main part of the camera of the embodiment. FIG. 3 is a plan view showing a main gear train when a zooming operation is possible in the camera of the embodiment. FIG. 4 is a plan view showing a main gear train when a film winding operation is possible in the camera of the embodiment. FIG. 5 is a plan view showing a main gear train when a film rewinding operation is possible in the camera of the embodiment. FIG. 6 is a plan view showing a main gear train when a photographing screen size switching operation is possible in the camera of the embodiment. FIG. 7 is a perspective view showing the entire panorama switching mechanism in the camera of the embodiment. FIG. 8 shows the cam gear 222 and the first panoramic gear 2 in the standard screen size in the camera of the embodiment.
FIG. 4 is a plan view showing a positional relationship between a forty and an arm 240a. FIG. 9 is a plan view showing a state at the moment when the arm 240a of the first panoramic gear 240 rotates toward the center of the cam gear 222 in the camera of the embodiment. FIG. 10 is a plan view showing a state in which the cam gear 222 slightly rotates from the state shown in FIG. 9 in the camera of the embodiment. FIG. 11 is a perspective view of the camera of the above embodiment, in which the arm 240a of the first panoramic gear 240
4 is a plan view showing a state where the cam gear 222a is turned in a direction away from the center of the cam gear 222. FIG. FIG. 12 is a front view of a principal part showing a panorama switching mechanism in a state where a wide photographing screen size is selected in the camera of the embodiment. FIG. 13 is a front view of an essential part showing a panorama switching mechanism in a state where a narrow photographing screen size is selected in the camera of the embodiment. FIG. 14 is a side view of a principal part showing a panorama switching mechanism in a state where a wide photographing screen size is selected in the camera of the embodiment. FIG. 15 is a side view of a principal part showing a panorama switching mechanism in a state where a narrow photographing screen size is selected in the camera of the embodiment. FIG. 16 is a side view of a main part of the camera of the above embodiment, showing a panorama switching mechanism in a state where a wide shooting screen size is selected, viewed from a direction opposite to FIG. 14; FIG. 17 is a side view of a main part of the camera of the embodiment, showing a panorama switching mechanism in a state where a narrow photographing screen size is selected, viewed from a direction opposite to FIG. FIG. 18 is a sectional view showing a main part of the camera according to the embodiment. FIG. 19 is an enlarged sectional view of a main part near a roller 260 in the camera of the embodiment. FIG. 20 is a rear view of the camera according to the embodiment, showing the back cover in an open state. FIG. 21 is an enlarged perspective view of a roller 260 in the camera of the embodiment. FIG. 22 is a diagram showing a timing chart for explaining data imprinting and an example of imprinted characters when the detection resolution is precise in the camera of the embodiment. FIG. 23 is a diagram showing a timing chart for explaining the imprinting of data and an example of imprinting characters when the detection resolution is coarse in the camera of the embodiment. FIG. 24 is a block diagram showing a configuration of an electric circuit in the camera of the embodiment. FIG. 25 is a flowchart showing the operation of the camera according to the embodiment to extend the lens barrel from the collapsed state to the wide end. FIG. 26 is a flowchart showing an operation when zooming to the tele side in the camera of the embodiment. FIG. 27 is a flowchart showing an operation when zooming to the wide side in the camera of the embodiment. FIG. 28 is a flowchart showing an operation of the camera of the embodiment when the mirror frame is driven from the shooting area to the collapsed state. FIG. 29 shows film 1 in the camera of the above embodiment.
It is a flowchart which shows the operation | movement of a frame winding. FIG. 30 is a flowchart showing a film rewinding operation in the camera of the embodiment. FIG. 31 is a flowchart showing an operation of switching a shooting screen between a normal size and a panorama size in the camera of the embodiment. FIG. 32 shows a carrier 20 in the camera of the above embodiment.
4 to rotate the planetary gear 203 from the film driving side to the lens frame driving side, a subroutine W to
6 is a flowchart showing Z. FIG. 33 shows the carrier 20 in the camera of the above embodiment.
4 to rotate the planetary gear 203 from the lens frame drive side to the film drive side, subroutine Z to
5 is a flowchart showing W. FIG. 34 is a flowchart showing a data imprinting operation in the camera of the embodiment. FIG. 35 is a rear view showing a modification of the film feeding amount detection mechanism. FIG. 36 is a cross-sectional view near the center of the camera, showing a light-shielding structure of the lens frame unit, the main body opening, and the light-shielding mask in the embodiment. FIG. 37 is a vertical cross-sectional view near the center of the camera, showing a light-shielding structure of the lens frame unit, the main body opening, and the light-shielding mask in the above embodiment. FIG. 38 is a layout diagram showing a light-shielding structure of a lens frame unit, a main body opening, and a light-shielding mask when a wide shooting screen size is selected in the embodiment. FIG. 39 is a layout diagram showing a light-shielding structure of a lens frame unit, a main body opening, and a light-shielding mask when a narrow photographing screen size is selected in the embodiment. FIG. 40 is an essential part cross sectional view showing a first modification of the light shielding structure in the above embodiment. FIG. 41 is a cross-sectional view of a principal part showing a second modified example of the light shielding structure in the embodiment. FIG. 42 is a cross-sectional view of a main part showing a third modified example of the light shielding structure in the embodiment. [Description of Signs] 13 ... Film 51 ... Rotating frame 201 ... Main body drive motor 202 ... Sun gear 203 ... Planetary gear 204 ... Carrier 206 ... Switching plunger 208 ... Winding sun gear 215 ... Winding planet gear 217 ... Spool 219 ... Panorama sun gear 220 panoramic planet gear 222 cam gear 223 switching lever 209 first zoom gear 210 second zoom gear 225 third zoom gear 226 fourth zoom gear 227 fifth zoom gear

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-127236 (JP, A) JP-A-5-11321 (JP, A) JP-A-4-233526 (JP, A) JP-A 64-64 66632 (JP, A) JP-A-6-273845 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G03B 17/00 G03B 17/26-17/34 G03B 17/38- 17/46

Claims (1)

(57) [Claim 1] One motor, a first driven means capable of being driven by the motor, and a second driven means capable of being driven by the motor A driven unit, a third driven unit that can be driven by the motor, and a photographing screen size that can be driven by the motor.
A fourth driven means for switching a first position and said second driven means the driving force of the motor for transmitting the driving force of said motor to said first driven means, the upper Symbol first The third driven means, the fourth driven means
A first clutch means which can be selectively positioned by rotation of the motor at a second position for transmission to any one of the first and second positions; and wherein the first clutch means is at the second position. Was located in
A third position for driving the second driven means.
And the third driven means or the fourth driven means
To a fourth position for transmitting to either one of the means
The second clutch means, which can be selectively positioned by rotation of the motor, and the second clutch means being located at the fourth position.
A fifth position for driving the third driven means.
And a sixth position for driving the fourth driven means.
The first position.
In conjunction with the position of the driven means, the driving force of the motor is
Which of the third driven means and the fourth driven means
And a third clutch means capable of transmitting the image to the camera.