JPH0746192B2 - Camera-mounted strobe device - Google Patents

Description

Description: FIELD OF THE INVENTION The present invention relates to an improvement of a camera-mounted strobe device that is detachably mounted on a camera body for flash photography.

[Prior Art] In a strobe device known as an electronic flash,
The most common clip-on type is an accessory shoe provided on the rear side of the upper end of the warship that rises in the upper center of the camera body, but a locking piece etc. provided on part of it It is designed to be attached integrally to the camera body side by embedding and fixing with a nut or the like. In addition, the large portable type can be installed in parallel with the side of the camera body by fixing the horizontal bracket provided on the lower side to the lower side of the camera body with screws or the like. Has become.

[Problems to be Solved by the Invention] However, in the conventional strobe device mounted on the camera body as described above, the larger the strobe device is, the more bulky it is. When mounted, not only does the center of gravity increase, but the mounting area for the camera body is small,
It is apt to be unstable when taking a picture of a camera and also when carrying it, and it is necessary to handle the picture with care when taking a picture, which is a serious problem in terms of operability of the camera. Also, in the latter case, although stability can be achieved by integrating with the camera body, a relatively large strobe device exists on the side of the camera body, so it is more convenient to hold compared to the case without a strobe device attached. It was necessary to pay attention to this, and this also caused a problem in terms of operability.

Further, in the above-described conventional strobe device, in order to mount the strobe device on the upper side or the side part of the camera body, the strobe device mounting part must be held from the rear part or the lower part of the camera body. However, it cannot be said that the strobe device is easily and properly mounted and held, and there is a problem in terms of operability at the time of mounting. Also, in order to attach the camera body to the camera body with good operability and stability, it is necessary to increase the number of engagement points between the strobe device and the camera body and to make the engagement surface wider, and also to cover the upper and front parts of the camera body. Attach to. For this reason, as a result, the lighting window that takes in outside light to illuminate the finder is covered and shielded.

Further, the conventional strobe device is large in size because the strobe body has a built-in battery, which is a bottleneck for making the strobe body compact and thin.

[Means for Solving Problems] In order to solve such a problem, the present invention provides a strobe device of a system which is detachably attached to a warship part above a camera body and is supplied with power from a power source in the camera body. A strobe body mounted so as to cover the upper side and the front side of the warship part,
A light emitting portion provided on the front portion of the strobe body, an engaging portion provided on the inside of the strobe body for engaging with engaged portions formed on both side surfaces of the warship portion, and a front surface of the camera body. A power supply terminal that is inserted and connected to the provided power supply power supply terminal portion and that engages and holds the strobe body,
Terminals for transmitting electrical signals by connecting to the terminal part of the accessory shoe part, and external light to the lighting window for illuminating the viewfinder provided on the front surface of the warship part above the camera body that is covered and shielded by the attachment of the strobe body. And a light guide plate for introducing the camera.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

1 to 5 show an embodiment of a camera-mounted strobe device according to the present invention. In these drawings, a single lens reflex camera indicated by reference numeral 1 is a photographing lens on the front surface of its camera body 2. 3 is detachably attached, and the center of the upper portion thereof is formed as a warship section 4 which is raised in conformity with the shape of a pentaprism (not shown) incorporated in the body 2. And this warship section 4
An accessory shoe 6 having a terminal portion 5 serving as an electric signal transmitting portion for a flash start signal with the strobe device 10 and flash condition information and the like is provided behind the upper end of the flash device 10. Reference numerals 7 and 7 in FIG. 2 denote power supply terminal portions provided on the front side of the camera body 2 on the upper end side of the lens mount portion at two positions, left and right.

Now, according to the camera-mounted type strobe device 10 according to the present invention, by loading the warship part 4 protruding above the camera body 2 from the front side of the body 2 as shown in FIG. The warship part 4 is provided with a strobe main body 11 mounted so as to cover the upper side and the front side thereof, and the strobe main body 11 has an engaged portion formed along the front-rear direction on the camera body 2 side (in this embodiment, the warship part). 4 Engagement portions (protrusions 12, 12 in this embodiment) that engage with the guide rails 8, 8 provided on both sides of the upper end portion are formed, and in this engagement state, a direction orthogonal to the mounting direction To the camera body 2 side (in this embodiment, the recess 6 formed by the accessory shoe 6)
It is characterized in that a locking portion (in this embodiment, a movable terminal block 14 that moves up and down by the operation push button 13) that engages with a) is provided.

In the figure, 15 is a light emitting portion provided on the upper side of the front end of the strobe body 11, 16 and 16 are power supply terminal portions 7 and 7 on the front side of the body 2.
This is a power supply terminal that is plugged in and connected to this power supply terminal 16,16
As is apparent from FIGS. 1 and 5, etc., is provided so as to project from the lower end on the rear end side of the front block portion 11a of the strobe main body 11. Here, the power supply terminal portions 7, 7 on the body side into which these power supply terminals 16, 16 are inserted are configured as shown in FIG. 5, and the insertion ports 7a, 7a are made of resin or the like. Always closed by the elastic sheet 7b of
It is configured to be opened only when the terminals 16 and 16 are inserted. That is, in this embodiment, a strobe device 10 of the type that is charged and flashes by using a power source housed in, for example, the bottom of the camera body 2 is shown.

Further, the strobe device 10 according to the present invention is formed such that the lower surface of the main body 11 is recessed so that the rear portion of the main body 11 covers the upper portion of the warship portion 4 and the front block of the front portion thereof is formed. The portion 11a is located on the front side of the warship portion 4 and has a curved surface on the lower side thereof so as to be mounted while avoiding the taking lens 2. Here, 17 in FIG. 5 is a condenser incorporated in the strobe main body 11, and this main body
Other necessary parts such as strobes are properly installed in 11.

In the camera-mounted strobe device 10 having such a configuration, the strobe main body 11 of the strobe body 11 from the front side of the camera body 2 to the body warship section 4 is slide rails 8, 8 and the ridge section 1.
By engaging with 2, 12, the slide is loaded as shown by the arrow A in FIG. 1, and the push button 13 as the locking portion is pressed as shown by the arrow B in the figure, so that the camera body 2 comes off. By preventing it, the warship part 4 is easily, reliably and stably attached to the upper and front parts.

Here, the vertical movement operation of the movable terminal block 14 by the operation push button 13 as the above-mentioned locking portion will be briefly described with reference to FIGS. 3 to 5. That is, in the figure, 20 is the push button 13
By being pressed by, the shaft portion that descends while rotating the lock hole 21a portion of the lock plate portion 21 formed on the side of the strobe body 11, 22 is a return spring that biases the shaft portion 20 upward, and 23 is A mark member that is attached to the lower portion of the push button 13 and colored in red or the like to identify the pressed state of the push button 13. The movable terminal block 14 is provided at the lower end of the shaft portion 20, and is engaged with or disengaged from the recess 6a formed by the accessory shoe 6 in accordance with the vertical movement of the shaft portion. The terminal 24 incorporated inside is selectively contacted with the terminal portion 5 provided on the accessory shoe 6 to perform signal transmission. Such operation can be easily understood from FIGS. 4 and 5.

It is to be noted that what is required for the lock plate portion 21 on the body 2 side that supports the shaft portion 20 described above is that it can be lowered by the pressing operation of the push button 13 and the locked state by the movable terminal block 14 can be obtained, and The lock state is maintained and the push button
Since the lock state can be released and the initial state can be restored by performing an operation such as rotating 13 or the like, a conventionally known lock structure may be appropriately adopted. Here, in this embodiment, as shown in FIG. 3, the instruction mark 25 on the push button 13 side is the free mark 26 on the fixed side.
A case is shown in which the lock mark 26b is rotated from a to be locked, and is rotated in the opposite direction to return to the original position to be in a free state.

In the strobe device 10 having the above-described configuration, the center of gravity of the strobe portion can be low in the mounted state, and a compact configuration can be obtained, which makes it possible to obtain a strobe device that does not affect the shooting operation. In addition, since the body warship part 4 is covered in a good appearance so as to cover it, various excellent effects such as an appearance shape with less discomfort can be obtained. In particular, in the structure according to the present invention, the upper space and the front space of the body warship part 4 are skillfully utilized, and there is no problem such as a high center of gravity and bulkiness as in the conventional case.
The advantage is great. In addition, even when being carried, it can be easily and neatly carried as it is.

Here, in the camera 1 described above, a daylighting window 27 is usually provided as a light on the front surface of the body warship section 4 so that the data display section and the like at the peripheral portion of the screen can be illuminated when looking into the viewfinder. However, in the strobe device 10 according to the present invention described above, the lighting window portion 27 is covered, and the illumination display of data cannot be performed as it is. Therefore, the strobe device 10 according to the present invention
Then, a light guide plate 28 made of, for example, a transparent light-collecting synthetic resin material is provided on the upper surface of the main body 11, and the light guide plate 28 is further attached to the main body.
11 Passes through the inside, and the end 28a is lit up at the daylighting window 27 of the warship section 4.
In this case, external light can be appropriately and surely introduced, which is a great advantage.

It should be noted that the present invention is not limited to the structure of the embodiment described above, and the shape, structure, etc. of each portion can be freely modified or changed. For example, in the above-described embodiment, the case where the light emitting portion 15 is fixedly provided on the front surface of the strobe main body 11 has been described, but the present invention is not limited to this, and as shown in FIG. The upper part of the front end of 11 is accommodated in a notch-formed portion or provided in a lamp unit 30 that is rotatably supported upward and can be rotated as necessary. Obviously good. here,
In the figure, reference numerals 31 and 31 (only one of which is shown) are support pieces projecting from both sides of the lamp unit 30 which is rotatably supported about a rotary shaft 32 pivotally supported on the strobe main body 11 side. Further, in such a configuration, a portion 28b corresponding to the notch front wall exposed when the lamp unit 30 is raised is provided as a portion for introducing external light to the light guide plate 28 reaching the lighting window 27. It will be easily understood that it may be used.

[Effects of the Invention] As described above, according to the small and thin camera-equipped strobe device that does not have a built-in power source according to the present invention, the strobe body can be operated by a simple operation even though the strobe body is simple and inexpensive. In addition to being mounted on the camera body, it is possible to secure a reliable mounting state, which is excellent in operability, and external light can be surely introduced into the lighting window of the camera body.

[Brief description of drawings]

FIG. 1 is a schematic exploded perspective view for explaining a loading state of a strobe device showing an embodiment of a camera-mounted strobe device according to the present invention, and FIG. 2 is a front view of a camera showing a state in which the strobe device is mounted. 3 is a schematic plan view showing an operation push button portion as a locking portion of a strobe device, FIG. 4 is a cross-sectional view of an essential portion showing a state before the operation, and FIG. 5 is a schematic showing a state of attachment to a camera body. A side view and FIG. 6 are side views of essential parts showing another embodiment of the present invention. 1 ... SLR camera, 2 ... camera body, 3 ... shooting lens, 4 ... ship section, 5 ... terminal section, 6 ... accessory shoe, 7 ... power terminal section, 8 ... slide rail (Engaged part), 10 ... Camera-mounted strobe device, 11
...... Strobe main body, 12 ...... projection (engagement part), 13 ...... operation push button, 14 ...... movable terminal block, 15 ...... light emitting part, 16 ...
… Power supply terminal, 27 …… Daylighting window, 28 …… Light guide plate.

Claims (1)

[Claims] 1. A strobe device of a type which is detachably attached to a warship section above a camera body and is supplied with electric power from a power source in the camera body, wherein a strobe main body is mounted so as to cover an upper side and a front side of the warship section, and the strobe. A light emitting portion provided on a front portion of the main body, an engaging portion provided on an inner side of the strobe main body that engages with engaged portions formed on both side surfaces of the warship portion, and provided on a front surface of the camera body. A power supply terminal that is inserted and connected to a power supply power supply terminal portion for engaging and holding a strobe body, a terminal that connects to a terminal portion of an accessory shoe portion to transmit an electric signal, and is covered by mounting the strobe body. A camera-mounted storage device, which is provided with a light guide plate for introducing external light into a daylighting window for illuminating the viewfinder, which is provided on the front surface of the warship above the camera body which is shielded from light. Ball apparatus.