JP3449396B2 - Photo film reader - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photographic film reading apparatus which loads an APS (registered trademark) type photographic film into a cartridge holder and outputs it as an image signal.

[0002]

2. Description of the Related Art In a photographic film reading apparatus, a piece of photographic film for about 6 frames which is divided at a developing stage is set on a carrier and loaded into an opening of a reading apparatus main body.
The image data is converted into an electric signal while scanning the film by moving the carrier relative to the reading means.

By the way, recently, a new photographic system APS which can be stored in a cartridge after being developed is stored.
(Registered trademark) is becoming popular. The photographic film used in this system is not only different in size from normal photographic film, but also handled in a state where it is always contained in a cartridge, and therefore, it is impossible to load it into a reader through a carrier. .

In order to deal with this problem, FIG.
A cartridge accommodating portion 40 accommodating an APS (registered trademark) photographic film cartridge as shown in FIG.
A holder 42 having a window 41 for exposing the photographic film for reading is prepared, while a loading port 44 is formed in the reading device main body 43 so that it can be enlarged by pushing down a front cover 45, and the holder 42 is loaded. When reading the film, push down the front cover 45 with your finger to open the opening 44.
Is enlarged and the holder 42 is loaded therein.

[0005]

However, the opening 4
Since a movement mechanism such as a scanning mechanism is provided within the position where the finger can reach from 4, if the finger is inserted by mistake with the opening 44 enlarged, the scanning mechanism may be damaged or the finger may be damaged. There is. The present invention has been made in view of such a problem, and an object thereof is to prevent the careless insertion of a finger from the insertion opening of the film to protect the human body and prevent damage to the apparatus body. It is an object of the present invention to provide a photographic film reading device that can prevent the above problems.

[0006]

In order to solve such a problem, in the present invention, an opening through which a holder for accommodating a film cartridge can be loaded is provided on one side of a main body accommodating a film reading mechanism. Can be moved to two positions in a photographic film reader equipped with a front panel whose opening is narrowed by a front cover so as to form a narrow frontage in which a film carrier can be inserted by a biasing force of a spring at all times. and Do operating member, in conjunction with the operation member, the front cover is retracted from the movement path of the front cover by pushing operation of the operating member
-Blocking piece that allows the movement of the actuator and pushing of the operating member
A first switch that is turned off by an operation, and a second switch that is turned on by inserting the holder into the opening ;
By connecting the first switch and the second switch in parallel,
Is configured to supply drive power to the reading mechanism.
Control means .

[0007]

[Action] Film insertable during CFCs <br/> depressed Tokaba simple in that put the carrier to prevent, also read the only state down the front cover by operating the operating member
Take a turn off the mechanism to the motor, the reader by the second switch by inserting the holder in this state
Drive power is supplied to the structure to operate.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The details of the present invention will be described below with reference to illustrated embodiments. FIG. 1 shows an embodiment of the present invention. An opening 3 for inserting a carrier for holding a photographic film piece is formed in a front panel 2 of a photographic film reading apparatus 1, and the opening 3 is enlarged to provide an APS (registered). A front cover 5 that forms an opening 4 into which a holder 42 of trademark (trademark) photographic film can be inserted, and a holder loading button 6 are arranged. A power switch 7 and a reset switch 8 are provided below the panel surface.

2 and 3 respectively show a front panel 2
2A and 2B are a perspective view and an assembled perspective view showing a back structure showing an embodiment of the present invention.
A spring 11 supported by the protrusion 10 always urges the spring 11 upward so that the front cover 2 is attached to the opening 4 of the front panel 2 so as to be vertically movable.

When the front cover 5 is pushed down to a position where the holder can be loaded, the locking claw 12 formed on the back surface is fixed to the front cover holding plate 9 and is a locking member having a toggle mechanism. It is configured to engage with 13 and stop at a predetermined position.

The holder loading button 6 is located at a position where it can be easily operated by another finger when the front cover 5 is pushed down by a finger,
In this embodiment, it is provided on the lower left of the front panel 2,
A lever 15 supported by a shaft 14 of the front cover holding plate 9 so as to be rotatable in a horizontal plane is always in contact with one end 15a of the lever 15, and a transmission member 16 is connected thereto.

The other end 15b of the lever 15 is constantly driven by a spring 18 whose one end is housed in a recess 17 of the front cover holding plate 9 so that a blocking piece 19 formed in the vicinity of the lever 15 can enter the movement path of the front cover 5. In the urged state, it is guided by the groove 20 of the front cover holding plate 9.

The transmission member 16 has legs 21 and 21 and a window 22, and a circuit board 25 on which a limit switch 24 is mounted so that the operating rod 23 faces the window 22 on the legs 21 and 21.
Is always attached to the panel side through the circuit board 25 by the spring 26 whose one end is in contact with the front cover holding plate 9, and when the holder loading button 6 is not pushed in, the limit switch 24 has its operating rod. Panel 23
The convex piece 27 is pressed and turned on.

Further, ribs 28, 2 are provided on the rear surface of the insertion opening 3 of the front panel 2 and the front cover 5 in the longitudinal regions facing each other across the insertion opening 3 of the photographic film carrier.
9 is formed and is reinforced so as to prevent deformation due to the force of a finger or the like. Note that reference numerals 30 and 31 in the figure respectively indicate the exposure windows of the switches 7 and 8.

FIG. 4 shows an embodiment of the motor control device. The normally closed limit switch 24 is kept on and is turned off by the operation of the holder loading button 6 and the carriage movement path. It is detached and is provided in the insertion path 36 of the holder 42 (FIG. 1), always kept off, and actuated by the motor drive circuit 35 through a parallel circuit with the normally open switch 34 which is turned on when the holder 42 is loaded. It is configured to supply power. Reference numeral 37 in the figure denotes a motor for driving the reading mechanism.

In this embodiment, when the front cover 5 is raised, the operating rod 23 of the limit switch 24 is in contact with the protrusion 27 and is on, so that drive power is supplied to the motor drive circuit 35. The reading mechanism is ready for operation by inputting the control signal.

When a finger is inserted into the opening 3 in this state, the blocking piece 19 of the lever 15 moves toward the arrow B side and projects in the path of the front cover 5, so that the front cover 5 can be lowered. In addition, the upper and lower ends sandwiching the opening 3 are reinforced by the ribs 28 and 29 and are not elastically deformed, and the finger cannot be inserted to a position where the finger comes into contact with the mechanism portion or the switch 34 arranged in the insertion path. .

When a carrier loaded with a piece of photographic film is inserted into the opening 3 and a reading command is issued from the host, a control signal is input to the motor drive circuit 35 via the limit switch 24 which is turned on, and the photographic film piece Reading is started.

On the other hand, when reading an APS (registered trademark) photographic film, after the cartridge is accommodated in the holder 42, the holder loading button 6 is pushed with a finger as shown in FIG. As a result, the lever 15 rotates and the blocking piece 19
Moves in the direction of arrow A in the figure and retracts from the path of the front cover 5. Therefore, the front cover 5 is attached to the spring 11
It is pushed down to a position where an opening that allows the holder 42 to be inserted is formed against the force of. When you reach the prescribed position,
The claw 12 of the front cover 5 engages with the locking member 13 and is held at this predetermined position.

Further, since the limit switch 24 is retracted by pressing the holder loading button 6, the operating rod 23 is projected by the protrusion 27.
Away from the switch 24 is turned off and the holder 42
Is not loaded, the switch 34 also maintains the off state, and the electric power to the motor drive circuit 35 is cut off.

In this state, when the holder 42 in which the cartridge is loaded is inserted from the opening 4 (FIG. 5B), the switch 34 arranged in the path is turned on in the process and the motor drive circuit 35 is supplied with electric power. Is supplied, and it is ready to be read. When a read command is input from the host in this state, a control signal is input to the motor drive circuit 35, and the photographic film is pulled out one by one from the cartridge accommodating portion 40 to the window 41 by the rotation of a motor (not shown) and is read.

When the reading operation is completed, the holder 42 is opened 4
Then, the switch 34 is turned off and the power supply to the motor drive circuit 35 is cut off. Then, when the front cover 5 is pushed down, the locking member 13 releases the locking claw 12, so that the front cover 5 is biased by the spring 11.
However, it rises to a position where the opening is so narrow that the film carriage can be inserted. As the front cover 5 rises, the blocking piece 19 that has been blocked from moving in the direction of arrow B by the front cover 5 moves in the direction of arrow B and enters the path of the front cover 5 to block the movement path of the front cover 5. The transmission member 16 is returned to its original position by the urging force of the spring 26, and the switch 24 is turned on.

[0023]

According to the present invention as more than the above Description, according to the present invention, it is possible to reliably prevent the insertion of fingers from the insertion opening of the film carrier, to prevent breakage or the mechanism, the harm to the human body You can

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention with a front cover partially cut away.

FIG. 2 is a view showing a back surface structure of a panel of the same apparatus with a front cover lowered.

FIG. 3 is an assembled perspective view showing an embodiment of a panel surface of the same apparatus.

FIG. 4 is a block diagram showing an embodiment of a control device of the same device.

5A and 5B are diagrams showing a loading operation of the APS (registered trademark) photo holder in the reading device, respectively.

6A and 6B are diagrams showing a loading operation of an APS (registered trademark) photographic holder in a conventional photographic film reading apparatus, respectively.

[Explanation of symbols]

1 Photographic film reader 2 panels 3, 4 insertion port 5 Front cover 6 Holder loading button 19 Block 24 limit switch

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-9-294188 (JP, A) JP-A-8-82862 (JP, A) JP-A-10-233885 (JP, A) (58) Field (Int.Cl. ⁷ , DB name) G03B 27/00-27/80 H04N 1/00

Claims (3)

(57) [Claims] 1. A narrow frontage which is provided on one side surface of a main body accommodating a film reading mechanism, into which a holder accommodating a film cartridge can be loaded, and in which a film carrier can be normally inserted by a biasing force of a spring. In a photographic film reading apparatus having a front panel in which the opening is narrowed by a front cover so as to form an operation member, an operation member movable to two positions, and an operation member pushing operation in cooperation with the operation member. receded from the moving path of the front cover by the movement of the front cover
And a push-in operation of the operating member.
A first switch that is turned off, a second switch that is turned on by inserting the holder into the opening, and the first switch
It consists of a switch and a second switch connected in parallel.
And a motor control hand that supplies drive power to the reading mechanism.
A photographic film reader consisting of steps . 2. The photographic film reading apparatus according to claim 1, wherein the operation member is a push button that can be operated simultaneously with pressing down the front cover. Wherein the claim ribs in the longitudinal direction of the opening of the frontage is squeezed by the front cover is formed 1
The photographic film reading device described in 1.