JP2000111986A - Camera with built-in stroboscope - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a camera with a built-in stroboscope compact by arranging a stroboscopic circuit part in dead space surrounded by a strobe light emitting part, a film chamber and a battery chamber. SOLUTION: A trigger coil 44 is arranged in the dead space 52 surrounded by the strobe light emitting part 46, a take-up chamber 35 and the battery chamber 66. The space 52 is dead space necessarily formed in the case of designing the camera with a built-in stroboscope so that it may be compact, and is effectively utilized as arranging space for the coil 44 of comparatively large size.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera with a built-in strobe, and more particularly to a camera having a battery chamber formed between a strobe light-emitting portion and a film chamber. A camera with a built-in strobe.

[0002]

2. Description of the Related Art In a camera disclosed in Japanese Patent Application Laid-Open No. 7-295048, a strobe light emitting portion is provided at an upper corner of a camera body, and a film winding chamber is formed below the strobe light emitting portion. A battery chamber is formed in the upper part of the film winding chamber and at the rear of the strobe light emitting section.

In such a camera, a dead space formed in the upper part of the film winding chamber and behind the strobe light emitting portion is used as a battery chamber, so that the camera is made compact.

[0004]

By the way, a camera with a built-in strobe has a built-in strobe circuit section (trigger coil) for driving the strobe, and this strobe circuit section is a relatively large-sized part as another part. Unless the location of the strobe circuit unit is taken into consideration, there is a problem that the camera becomes large.

However, in the conventional camera with a built-in strobe, the position of the strobe circuit is not considered at all, so that the camera becomes uselessly large. The present invention has been made in view of such circumstances, and an object of the present invention is to provide a camera with a built-in strobe which can reduce the size of the camera and the number of parts.

[0006]

According to the present invention, in order to achieve the above object, a battery chamber is formed between a strobe light emitting portion provided in a camera body and a film chamber formed in the camera body. A strobe circuit section is provided in a space surrounded by the strobe light emitting section, the film chamber, and the battery chamber.

In order to achieve the above object, according to the present invention, a battery chamber is formed between a strobe light emitting portion provided in a camera body and a film chamber formed in the camera body, and a storage wall of the strobe light emitting portion is provided. And a wall of the battery chamber is integrally formed with a spool plate formed in the film chamber. According to the first aspect of the present invention, since the strobe circuit section is disposed in the dead space surrounded by the strobe light emitting section, the film chamber, and the battery chamber, the camera becomes compact.

According to the second aspect of the present invention, since the storage wall of the strobe light emitting section and the wall of the battery chamber are formed integrally with the spool plate formed in the film chamber, three parts conventionally required are eliminated. It can be reduced to one part. According to the third aspect of the present invention, since the engaging portion that is engaged with the engaging portion of the battery cover and holds the battery cover in the closed position is formed on the wall of the battery chamber, a member dedicated to the engaging portion is used. No need to provide. Therefore, according to the present invention, the number of components can be reduced.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a camera with a built-in strobe according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a front view of a camera 10 with a built-in strobe of the present embodiment, FIG. 2 is a plan view of the camera 10 with a built-in strobe, and FIG.

As shown in FIGS. 1 and 2, the main body 12 of the camera 10 with a built-in flash is formed in a horizontally long box.
A zoom lens barrel 16 having a photographing lens 14 is provided at the center of the front surface shown in FIG. The zoom lens barrel 16 is a so-called retractable zoom lens barrel that is extended from the retracted position stored in the camera body 12 toward the initial position when the main power supply of the built-in flash camera 10 is turned on. . The extended zoom lens barrel 16 performs a zooming operation in accordance with the operation of a zoom lever (not shown) provided on the camera 10 with a built-in flash, and is set to a desired photographing magnification.

Above the zoom lens barrel 16 of the camera body 12, an object section 18 of a finder is provided. As shown by the broken line in FIG.
0 and 22 are provided, and these moving lenses 20 and
Reference numeral 22 is moved back and forth in the finder optical axis direction in conjunction with the zooming operation of the zoom lens barrel 16. Thus, a subject image having a magnification corresponding to the photographing magnification by the zoom lens barrel 16 can be observed from the eyepiece 24 of the finder.

Also, as shown in FIG.
An AF light receiving unit 26 is arranged on the left side of the object, and an AF light projecting unit 28 is arranged on the right side of the objective unit 18. Further, a film cartridge storage chamber 30 is formed on the left side of the zoom lens barrel 16 as shown by a broken line in FIG. In the lower part of the storage room 30, a storage room 30 is provided.
The opening / closing lid 32 is provided rotatably about a pin 34. Therefore, the film cartridge is loaded into the storage chamber 30 with the lid 32 opened.

When a film cartridge is loaded in the storage chamber 30, the film wound and stored therein is automatically sent out of the film cartridge by a feeding mechanism (not shown) built in the camera 10 with a built-in flash. It is. Then, when the leading end of the fed film passes through the exposure area and is wound by a predetermined amount on a spool 36 provided in a winding chamber 35 shown in FIG. 3, the feeding of the film is stopped. Then, after the shutter button 38 shown in FIG.
6 is taken up one frame at a time. As shown in FIG. 3, the drive motor 39 of the feeding mechanism
6, a film feed mechanism is driven via a speed reduction mechanism 39B connected to an output shaft 39A of the drive motor 39.

In the vicinity of the storage chamber 30, a main condenser 40 is disposed as shown by a broken line in FIG. The main condenser 40 is disposed vertically in a space formed between the storage room 30 and the camera body 12.
As shown in FIG. 3, a strobe booster circuit board 42 is provided vertically above the winding chamber 35, and a trigger coil (strobe circuit section) 44 is attached to the back surface of the strobe booster circuit board 42. I have. The trigger coil 44
Is a component having a substantially cubic shape and a larger size than other components. In the present embodiment, the trigger coil 44 is connected to the storage wall 48 of the strobe light emitting section 46.
And a spool plate 50 for rotatably supporting the spool 36.
Are stored in a dead space 52 formed therebetween. As a result, it is not necessary to form a dedicated space for the trigger coil 44 in the camera body 12, so that the camera 10 with a built-in strobe is downsized accordingly.

The strobe light emitting section 46 of the present embodiment is rotatably supported by the camera body 12 via a pin 54,
At the time of use, it is rotated from the storage position shown by the solid line in FIG. 3 to the use position shown by the two-dot chain line, and when not in use, it is stored at the storage position shown by the solid line in FIG. That is, the strobe light emitting section 46 is a retractable strobe. The strobe light emitting section 46 includes a strobe cover 56, in which a light emitting tube 58 and a light emitting tube 58 are provided.
Is provided. The reflecting umbrella 60 is supported by a guide bar 64 provided in the flash cover 56 via a guide member 62 so as to be movable back and forth, and a zooming operation of the zoom lens barrel 16 shown in FIG. It is moved back and forth in conjunction with. That is, the strobe light emitting section 46 is an irradiation angle variable zoom strobe which is linked to a zooming operation.

A battery chamber 66 is formed behind the strobe light emitting section 46. A battery 68 is inserted into the battery chamber 66.
Are separated by a semicircular wall 70 forming the battery chamber 66. Further, the battery chamber 66 is disposed in a dead space surrounded by the strobe light emitting section 46 and the winding chamber 35. By forming the battery chamber 66 in this dead space, the camera 10 is downsized.

Here, the strobe light emitting section 46, the winding chamber 3
5 and the positional relationship between the battery chamber 66 will be described. As described above, since the strobe light emitting section 46 is of the retractable type, there is a problem that the camera becomes large depending on the arrangement position of the pin 54 which is the center of rotation. . For example, if the pin 54 is provided at a side position that does not overlap the battery chamber 66 in the vertical direction, the camera becomes thicker by the length of the movement of the pin 54 to the side, so that the camera becomes larger.

On the other hand, when the pins 54 are disposed above the battery chamber 66 as shown in FIG. 3, the thickness of the camera can be reduced, and the wall 70 of the battery chamber 66 is formed in an arc shape. The strobe light emitting section 46 can be closed without being obstructed by the wall 70. Accordingly, even if the pins 54 are not disposed at an upper position far from the battery chamber 66, the strobe light emitting unit 46 operates smoothly, and the height of the camera can be reduced. Therefore, by providing the strobe light emitting section 46 and the battery chamber 66 in the positional relationship shown in FIG. 3, the camera is made compact.

Next, the winding chamber 35 necessarily includes a battery chamber 66.
Formed below. In this case, the dimension of the winding chamber 35 in the camera thickness direction has a sufficient margin, so that there is no problem in forming the winding chamber 35. When the positions of the strobe light emitting section 46, the winding chamber 35, and the battery chamber 66 are set in this manner, the dead space 52 is inevitably formed by the strobe light emitting section 46, the winding chamber 35, and the battery chamber 66. Will be. Therefore, in the present embodiment, the trigger coil 44 is arranged in the dead space 52. Therefore, in the present embodiment, the trigger coil 44 is not arranged in a mere dead space, but is arranged in the dead space 52 generated when the camera is made compact, so that the camera can be made more compact.

On the other hand, in the present embodiment, the wall 70 of the battery chamber 66, the storage wall 48 of the strobe light emitting section 46, and the spool plate 50 are integrally formed and handled as one part. Thereby, in the camera 10 of the present embodiment, the number of parts is reduced and the assemblability is improved. The battery cover 72 of the battery compartment 66 has a substantially inverted L-shaped cross section,
The lower part is rotatably attached to the back of the camera body 12 via a pin 74. The battery cover 72 has an upper end surface 73 formed in a horizontal direction at an upper portion thereof. A claw 73A is formed at a lower portion of the upper end surface 73, and the claw 73A is formed at an upper portion of the wall 70.
Is resiliently engaged. As a result, the battery cover 72 is held at the closed position. When the battery chamber 72 is opened, the engagement between the claws 70A and 73A is released by an engagement release member (not shown). Thus, the battery compartment 6
If the claws 70A are formed on the wall 70, it is not necessary to provide a dedicated member for the claws 70A, so that the number of parts can be reduced.

In the present embodiment, the upper end surface 73 of the battery cover 72 and the flash cover 56 are located on substantially the same plane, and form a part of the upper surface of the camera body 12.

[0022]

As described above, according to the camera with a built-in strobe according to the present invention, since the strobe circuit section is arranged in the dead space surrounded by the strobe light emitting section, the film chamber and the battery chamber, the camera is compact. Can be achieved. Further, according to the present invention, since the storage wall of the strobe light emitting section and the wall of the battery chamber are formed integrally with the spool plate formed in the film chamber, the number of parts can be reduced.

[Brief description of the drawings]

FIG. 1 is a front view of a camera with a built-in flash according to an embodiment.

FIG. 2 is a plan view of the camera with a built-in strobe shown in FIG.

FIG. 3 is a longitudinal sectional view of a main part of the camera with a built-in strobe shown in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Built-in flash camera 12 ... Camera body 16 ... Zoom lens barrel 42 ... Flash boost circuit board 44 ... Trigger coil 46 ... Strobe light emitting unit 56 ... Strobe cover 66 ... Battery room 68 ... Battery 72 ... Battery cover

Claims (3)

[Claims] 1. A battery chamber is formed between a strobe light emitting portion provided in a camera body and a film chamber formed in the camera body, and is surrounded by the strobe light emitting portion, the film chamber, and the battery chamber. A camera with a built-in strobe, wherein a strobe circuit section is arranged in a space. 2. A battery chamber is formed between a strobe light emitting portion provided in a camera body and a film chamber formed in the camera body, wherein a storage wall of the strobe light emitting portion and a wall of the battery chamber are formed by the battery compartment. A camera with a built-in flash, wherein the camera is integrally formed with a spool plate formed in a film chamber. 3. The battery compartment has an engaging portion formed on a wall thereof, and an engaging portion of a battery cover for opening and closing the battery compartment is engaged with the engaging portion, whereby the battery cover is closed. The strobe built-in camera according to claim 2, wherein the camera is held.