JP2002014402A - Camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange a circuit board between a body base part and an outside cover in a space saving manner. SOLUTION: A camera 38 projecting to the front of the body base part 25 is integrally formed on the base part 25, and a battery chamber 40 is provided on either side surface of the base part 25. A stroboscopic base plate 42 is attached to the upper part of the camera 38 on the base part 25, and a main base plate 36 is attached to a side surface on a reverse side to the battery chamber 40 of the base part 25. The base plate 42 is locked by the projection parts 25a and 25b of the base part 25, and the main base plate 36 is locked by projection parts 25c to 25e. The base plate 42 and the main base plate 36 attached to the base part 25 so as to be arranged orthogonally to each other are coupled by soldering at corner part where they come into contact with each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera, and more particularly, to a camera in which a circuit board is incorporated in a base having a photographing mechanism.

[0002]

2. Description of the Related Art In general, a camera incorporates various circuit boards such as a strobe board on which a strobe circuit is formed and an electronic circuit board on which a CPU for controlling each section is mounted. And from the demand for compact cameras,
A method of efficiently storing a circuit board mounted in a camera body in a space-saving manner has been studied. Therefore,
In a conventional camera, a plurality of small circuit boards are provided, and each of the circuit boards is dispersed and housed in an empty space formed between a main body base constituting a camera body and an exterior part covering the same. The circuit boards are interconnected by a flexible board having a complicated shape.

[0003]

However, in the case of a camera in which a plurality of circuit boards are mounted in a camera body as described above, the cost of parts of the flexible board is extremely high, The large number of assembling steps involved in the process of connecting the camera and the like hinders cost reduction of the camera.

The present invention has been made in view of the above circumstances, and efficiently mounts a circuit board disposed between a main body base and an outer cover in a space-saving manner to further reduce the size and cost of a camera. The purpose is to achieve the conversion.

[0005]

In order to solve the above-mentioned problems, in the camera according to the present invention, one of at least two circuit boards mounted on a main body base having a photographing mechanism is connected to the main body base. And the other circuit board is attached to the main body base so as to be orthogonal to the one circuit board, and the two circuit boards are connected to each other.

Preferably, the two circuit boards are mechanically coupled and electrically connected by soldering a circuit pattern formed on the surface. Alternatively, it is preferable that the two circuit boards are provided with an auxiliary member having a fitting portion into which the respective circuit boards are fitted.

[0007] The one circuit board is provided with switch contacts corresponding to external operation buttons and an external display element, and the other circuit board is provided with various devices constituting a strobe charging circuit and a light emitting circuit. Preferably, an electrical element is mounted.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 2, an instant camera (hereinafter simply referred to as a camera) 2 embodying the present invention has a camera body having a substantially horizontally elongated rectangular shape when viewed from the front. The lens barrel 5 protrudes. A moving barrel 7 incorporating a taking lens 6 is built in the lens barrel 5. A photometric element 8 that measures the luminance of the subject is provided below the front surface of the movable cylinder 7.

A grip portion 9 to be gripped by the right hand is integrally formed on one side surface of the camera 2, and a shutter button 10 is provided above the grip portion 9. The inside of the grip portion 9 is a battery chamber for storing a battery for power supply, and a lid 9a (see FIG. 3) for opening and closing the battery compartment is provided on the side surface of the grip portion 9 so as to be detachable. Above the grip section 9, a strobe light emitting section 11 is provided. A finder objective window 12 is provided on the opposite side of the strobe light emitting unit 11. An operation unit 13 provided with various push-button switches and an LCD 14 are provided on a side surface of the camera body opposite to the grip unit 9, and a film discharge port 15 is provided on an upper surface of the camera body. The film unit 16 under development is discharged from the film discharge port 15.

The operation unit 13 is provided with a power supply O in order from the top.
A power button 17 for switching N / OFF, a density switching button 18 for switching the density of exposure based on the photometric value,
A focus switching button 19 for switching a focus position between a normal position and a telephoto position, and a flash button 20 for switching between flash photography and non-flash photography are provided. The LCD 14 as an external display element displays information necessary for photographing, for example, the number of remaining films, the density of exposure, the focus position, and the like.

A photometric device 22 (see FIG. 1) is provided behind a photometric window 21 formed below the finder objective window 12. The photometric device 22 has a light receiving element incorporated therein for measuring the strobe light reflected on the subject. As the light receiving element, for example, a phototransistor is used.

As shown in FIG. 3, the camera 2 has a film pack storage chamber (not shown) in which a film pack 24 is loaded, formed on the back side, and a main body base 25 to which various photographing function parts are attached. It comprises a front cover 26 and a rear cover 27 which are put on the front and back of the main body base 25. The front and rear covers 26 and 27 are plastic molded products formed integrally with each other, and the main body base 25 is mostly made of plastic molded parts. The lens barrel 5 is formed integrally with the front cover 26. A plate-like back cover 28 for opening and closing the film pack storage chamber is attached to the rear cover 27 via a hinge 29 so as to be openable and closable.

The bottom surface of the rear cover 27 has a locking hole 27a.
Are formed, and are locked by locking claws (not shown) formed on the inner peripheral surface side of the front cover 26. After covering the front and rear covers 26 and 27 from the front and rear of the main body base 25 and locking the locking claws in the locking holes 27a, further, the upper surface panel 31 and the side panel astride the upper and side surfaces of the front and rear covers 26 and 27. By attaching 32, the front and rear covers 26 and 27 are connected. The upper panel 31 has a slit-shaped film discharge port 15 formed at the center thereof. The side panel 32 is formed of a transparent resin, and the method of using the camera 2 and the precautions for use are printed on the inner peripheral surface thereof. Further, on the side panel 32, an exposure window 32a for exposing the LCD 14 and various operation buttons 17 to 20 are formed. Since the portion where the exposure window 32a is located is not printed,
14 are exposed.

The film pack 24 is composed of a plastic case 33 formed in a box shape, and a film unit 16 in which a plurality of sheets are stacked and stored in the case 33. The film unit 16 is a mono-sheet type of a self-developing process type having a rectangular shape, and a developing solution pod in which a developing solution is sealed at one of opposite edges of a photosensitive sheet having a photosensitive layer and an image receiving layer. The other edge is provided with a trap portion for capturing and hardening the surplus developing solution. On the upper surface of the case 33, a slit-shaped film outlet 34 for discharging the photographed film unit 16 to the outside of the case 33 is provided. When the film pack 22 is not used, the film outlet 34 is closed by a flexible light-shielding seal (not shown).

A developing roller pair (not shown) is incorporated in the upper portion of the main body base 25. The developing roller pair nips the exposed film unit 16 and discharges the film unit 16 from the film discharge port 15 while discharging it. And spread the developing solution. A drive mechanism such as a scraping claw, a strobe unit 35, a main board 36, a finder unit 37, and the like are incorporated in the main body base 25, and a dark box protruding to the front in a shape similar to the lens barrel 5 on the front. 38 are integrally formed. The dark box 38 arranged substantially at the center of the main body base 24 has a cylindrical shape that tapers forward. A battery chamber 40 for accommodating a power supply battery 39 is provided integrally on a portion corresponding to the inside of the grip portion 9 on one side surface of the main body base portion 24.

A strobe unit 35 is provided above the dark box 38.
The main board 36 is provided on the side opposite to the battery chamber 40.
However, a finder unit 37 is mounted above the main board 36. As shown in detail in FIG. 1, a strobe unit 35 having an auto strobe function includes a strobe board 42 on which various electric elements such as a capacitor 41 and a step-up coil are attached to a circuit pattern and on which a strobe charging circuit and a light emitting circuit are formed. And a strobe light emitting unit 11 which is held by the strobe substrate 42 and includes a strobe discharge tube, a reflector and the like.

The stroboscope substrate 42 has a substantially rectangular shape which is horizontally long, and has a cutout 42a formed in the lower center thereof so as to match the circumferential surface of the dark box 38. The projections 25a, 25b provided above the front surface of the main body base 25 are provided at both ends.
Locking holes 42b and 42c are formed.

The main board 36 has a vertically long and substantially rectangular shape, and has protrusions 25c to 2c provided on the side surface of the main body base 25.
Locking holes 36a to 36c to be engaged with 5e are formed. The LCD 14 and the operation buttons 17 to 20 are provided on the main board 36.
Switch contacts 36d-g corresponding to the photometric device 2
2, a main CPU 44 and an input terminal 45 are provided. The input terminal 45 is for connecting to an external device and writing various data to an EEPROM (not shown). The EEPROM is an electrically writable non-volatile semiconductor memory, and includes a main board 36 or a main body 2.
5 is incorporated. Further, the front cover 26 is provided with an opening 46 corresponding to the input terminal 45, so that connection with an external device is possible even after the front cover is covered on the main body base 25. The EEPROM stores the main CPU 44 when the camera 2 is operated in accordance with a predetermined sequence.
Various kinds of adjustment data referred to by are stored in advance. These adjustment data are adjusted for each camera in an inspection process after the assembly of the camera 2 is completed. Such adjustment data includes, for example, a light control level of an auto strobe and data relating to exposure adjustment.

The strobe board 42 and the main board 36
By being locked to the projections 25a to 25e, as shown in FIG. 4, they are attached to the upper front surface and the side surface of the main body base 25 in a mutually orthogonal arrangement. Further, a circuit pattern formed on the surface is soldered at a corner portion 47 where one side end of the strobe board 42 and the upper end of the main board 36 are in contact with each other, and the strobe board 42 and the main board 36 are mechanically connected. And is electrically connected. Thus, the strobe board 42 and the main board 36 are securely fixed to the main body base 25. further,
By arranging one of these circuit boards above the front surface of the main body base 25 and the other on the side surface, a space inside the camera body can be provided, and the projection 25a engaging with the circuit board can be provided.
The degree of freedom can also be given to the arrangement, shape, and the like of -e. In addition, since the main board 36 is coupled to one side end of the strobe board 42, there is room in the other side end, so that the strobe light emitting unit 11, the capacitor 41, and the like are arranged on this side. Can be.

In the above embodiment, soldering is used to connect the strobe board 42 and the main board 36, but the present invention is not limited to this. For example,
An adhesive may be applied and bonded, or as shown in FIG. 5, an auxiliary member 48 formed by bending a metal plate into a substantially T-shape is attached to a corner portion where the strobe substrate 42 and the main substrate 36 are in contact. You may. The width of the fitting portion 48 a formed on one side of the auxiliary member 48 is formed in a groove corresponding to the thickness of the strobe board 42, and the width of the fitting portion 48 b formed on the other side is The groove is formed in accordance with the thickness. Thereby, the auxiliary member 48
The strobe board 42 and the main board 36 are fitted and connected. Moreover, after joining by soldering similarly to the above-mentioned embodiment, you may make it attach the auxiliary member 48 further. Note that the strobe board 42 is arranged in the main body base 2.
The position is not limited to the upper part of the front surface of 5, but may be any position as long as it is disposed below the front surface and does not interfere with the lens barrel.

In the above embodiment, an example of an instant camera has been described. However, the present invention is not limited to an instant camera, and a camera for loading a brownie-size photo film, a camera for loading a 135-type photo film cartridge, and an IX240. The present invention can be applied to any camera such as a camera loaded with a film cartridge and an electronic still camera.

[0022]

As described above, according to the present invention,
Of at least two circuit boards attached to the main body base having a photographing mechanism, one of the circuit boards is arranged on a side surface of the main body base, and the other circuit board is orthogonal to the one circuit board. Since the two circuit boards are attached to the base of the main body and the two circuit boards are connected to each other, no empty space is generated between the two circuit boards, so that the inside of the camera can be used efficiently and the camera can be further reduced in size. It is very advantageous for conversion. Furthermore, since both circuit boards are mechanically coupled and electrically connected by soldering, a flexible board that requires expensive and time-consuming assembly is used for electrical connection between the circuit boards. This eliminates the need to perform the operation, and can reduce the cost of the camera. Further, on one side of the circuit board, a switch contact corresponding to an external operation button and an external display element are provided, so that further space saving can be achieved.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing a state before a strobe board and a main board are attached to a main body base.

FIG. 2 is an external perspective view of the camera of the present invention.

FIG. 3 is an exploded perspective view of the camera shown in FIG.

FIG. 4 is a top view showing a configuration around a bonding portion between a strobe substrate and a main substrate.

FIG. 5 is an external view of a strobe substrate and a main substrate showing another embodiment of the present invention.

[Explanation of symbols]

 2 Camera 11 Strobe Light Emitting Unit 14 LCD 17-20 Operation Button 22 Metering Device 25 Main Body 26 Front Cover 27 Rear Cover 35 Strobe Unit 36 Main Board 36a-d Switch Contact 38 Dark Box 42 Strobe Board 44 Main CPU 45 Input Terminal 46 Opening 48 Auxiliary member

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2H053 CA18 CA45 2H100 BB07 BB11 DD08 5E344 AA08 BB06 CC05 DD02 EE11 5E348 AA02 AA32 AA38

Claims (6)

[Claims] 1. A circuit board having at least two circuit boards attached to a body base having a photographing mechanism, wherein one circuit board is disposed on a side surface of the body base and the other circuit board is arranged with respect to the one circuit board. A camera which is attached to the main body base so as to be orthogonal to each other, and wherein the two circuit boards are mutually connected. 2. The camera according to claim 1, wherein the two circuit boards are mechanically connected and electrically connected by soldering a circuit pattern formed on the surface. . 3. The camera according to claim 1, wherein the two circuit boards are provided with an auxiliary member having an insertion portion into which the respective circuit boards are inserted. 4. The camera according to claim 1, wherein a switch contact corresponding to an external operation button is provided on said one circuit board. 5. The device according to claim 1, wherein an external display element is provided on the one circuit board.
The camera according to any one of the above. 6. The electronic device according to claim 1, wherein various electric elements constituting a strobe charging circuit and a light emitting circuit are mounted on the other circuit board.
Cameras listed.