JP3342227B2 - camera - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a layout of an internal structure of a camera.

[0002]

2. Description of the Related Art Conventionally, Japanese Patent Application Laid-Open No. Hei 6-202219 proposes a camera in which a battery is arranged over the entire lower side of a light-shielding cylinder from a film take-up spool chamber of a camera and a photographing lens to an aperture.

[0003]

However, in the above-mentioned proposal, the photographing lens and the light-shielding cylinder are large because the photographing lens is a zoom lens or a collapsible lens. In the case of a configuration extending below the chamber, there is a problem that a useless space is generated between the battery and the film take-up spool chamber, and the camera is unnecessarily enlarged.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a camera which can be appropriately reduced in size without generating useless space.

[0005]

In order to achieve the above object, the present invention provides a cartridge chamber, a spool chamber, a photographing optical unit disposed between the cartridge chamber and the spool chamber , The cartridge chamber at least one of an upper side and a lower side;
Provided the step space pool chamber, said imaging optical Uni
A battery compartment that is not provided directly above and below the optical axis of the unit,
And a strobe condenser disposed at least one of above and below the photographing optical unit.

[0006]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 6 show a camera according to an embodiment of the present invention. FIG. 1 is a longitudinal sectional view of the camera showing a layout of almost all parts, and FIG. FIG. 3 is a central transverse sectional view of the camera at the optical axis position of the taking lens, FIG. 4 is a central longitudinal sectional view of the camera, FIG. 5 is a longitudinal sectional view of the camera at the spool chamber position, FIG. 6 is a side view of the camera on the battery chamber side.

In these figures, first, referring mainly to FIG. 1, reference numeral 1 denotes a cartridge chamber for accommodating a film cartridge 2, and 3 denotes a film for winding a film 4 sent out from the film cartridge 2. A spool chamber 6 having a take-up spool 5 is a cartridge chamber 1.
An aperture for exposing the film 4 sent from the film cartridge 2, provided between the spool chamber 3, a cylindrical photographing optical unit 7 having a collapsible function and a zoom function in the camera body, and 8 a A battery chamber for accommodating a cylindrical battery 9 which is a power supply battery of a camera and whose longitudinal direction is a longitudinal direction of the cylinder. The cylindrical battery 9 is placed below the spool chamber 3 and the longitudinal direction is set to be horizontal. It is provided as a storage room for storing. Reference numeral 10 denotes a lid of the battery compartment 8 for loading or unloading the cylindrical battery 9 from the camera side in the longitudinal direction with respect to the battery compartment 8, and is detachably attached to the camera body rear cover 21 in a bayonet manner. . 1
Reference numeral 1 denotes a cylindrical strobe main condenser whose longitudinal direction is the height direction of the cylinder. The main condenser is arranged below the cylindrical photographing optical unit 7 and is arranged side by side in the longitudinal direction of the cylindrical battery 9 with its longitudinal direction being horizontal. You. Reference numeral 12 denotes a lens barrel drive motor provided in front of the strobe main condenser 11 for retracting and zooming the cylindrical photographing optical unit 7.
The driving force is transmitted from the worm gear 13 fixed to the output shaft of the lens barrel drive motor 12 to the cylindrical photographing optical unit 7 via the reduction gear trains 14 to 16. 17 is a strobe light emitting unit, 18 is a photometric sensor, 19 and 20 are autofocus projecting and light receiving sensors, and 29 is an opening / closing lid for loading and unloading the film cartridge 2 from / to the cartridge chamber 1. is there.

In FIG. 2, reference numeral 22 denotes a circuit unit including a strobe circuit provided in front of the battery compartment 8, which charges the strobe main capacitor 11 with the cylindrical battery 9 and causes the strobe light emitting section 17 to emit light with its energy. It has a circuit configuration.

In FIG. 3, a cylindrical photographing optical unit 7 is shown.
Is a fixed cylindrical lens barrel 7a on the outermost side, which also serves as a light-shielding cylinder up to the aperture 6 having a helicoid or a cam groove on the inner side, and the inside of which rotates and extends in the opposite direction to the aperture 6 while rotating. A cylindrical lens barrel 7b, and a first-group lens barrel 7e that holds the first lens unit 7c and the shutter unit 7d inside the lens barrel 7b and extends straight without rotating and in the opposite direction to the aperture 6 are provided behind the cylindrical lens barrel 7b. Is provided with a second group lens barrel 7g that holds the second group lens 7f and also advances straight out in the opposite direction to the aperture 6 without rotating. 23 is a pressure plate.

4 and 5, reference numerals 24 and 27 denote a camera body front cover 25 and a camera body rear cover 21 respectively.
For fixing the camera body to the camera body, extend downward along the cylindrical surface of the cylindrical battery 9 and the strobe main capacitor 11 and between the camera body rear cover and engage with the pressure plate 23. It is a projection for shielding the spool chamber 3 and the aperture 6 from light. Reference numeral 30 denotes a film feed motor that is housed inside the film take-up spool 5.

In the above configuration, the cylindrical photographing optical unit 7 is disposed so as to have the maximum diameter in a space surrounded by the cartridge chamber 1, the spool chamber 3, and the aperture 6. This is because higher imaging optical performance can be obtained by doing so. Then, among the spool chamber 3 having a height lower than the cartridge chamber 1 and the step portion between the cylindrical imaging optical unit 7 and the cartridge chamber 1, first, the height with respect to the cartridge chamber 1 is smaller, and a large step space is obtained there. A cylindrical space having a relatively large diameter and a fixed diameter is provided in a long space extending from the lower side of the spool chamber 3 to the optical axis of the cylindrical imaging optical unit 7 and below the rising portion of the cylindrical imaging optical unit 7 on the spool chamber 3 side. The battery chamber 8 is provided so that the battery 9 can be stored with the longitudinal direction of the battery 9 being horizontal. Further, the main capacitor 11 having a smaller diameter than the cylindrical battery 9 has a degree of freedom in diameter and length in a step space between the cartridge chamber 1 next to the battery chamber 8 and the cylindrical photographing optical unit 7 and extends in the longitudinal direction. And placed.

As a result, the lower surface of the cartridge chamber 1, the lower surface of the battery chamber 8, and the lower surface of the strobe main condenser 11 have substantially the same height. The configuration of the camera including the optical unit 7 can be efficiently and extremely compactly assembled.

Further, by utilizing the step space between the cartridge chamber 1 beside the battery chamber 8 and the cylindrical photographing optical unit 7, it is possible to supply sufficient flash charging energy to the flash light emitting section 17 as a flash main capacitor. The strobe main capacitor 11 having a size can be efficiently arranged. In the present embodiment, the outermost diameter of the cylindrical imaging optical unit 7 is a fixed cylindrical lens barrel 7a, and a part below the fixed cylindrical lens barrel 7a is thinned, and the main condenser 11 for strobe is sunk therein. As a result, a large strobe main capacitor 11 capable of supplying even larger light emission charging energy can be arranged without increasing the size of the camera.

The battery chamber 8 is provided mainly below the spool chamber 3 and is disposed so as not to interfere with the cylindrical photographing optical unit 7. Therefore, when the battery 9 is replaced, the light beam is transmitted to the aperture 6. Leakage can also be prevented.

The battery chamber 8 and the cylindrical strobe main capacitor 11 are preferably arranged such that the center axes of the cylindrical battery 9 and the cylindrical strobe main capacitor 11 are substantially coaxial with each other as much as possible. The diameter of the cylindrical strobe main condenser 11 is set to be substantially the same as that of the chamber 8, so that the battery chamber 8 and the cylindrical strobe main condenser 11 can be combined into one cylindrical space on the rear side of the camera. Like that. This allows
A lens barrel drive motor 12, a worm gear 13, and deceleration gear trains 14 to 16 are disposed in front of the strobe main condenser 11, and respective circuit components 22a to 22d of the circuit unit 22 are disposed in front of the battery compartment 8. This circuit unit 2
2, a lens barrel drive motor 12 is connected to the circuit, and the lens barrel drive motor 12, the worm gear 13, the reduction gear trains 14 to 16, and the circuit unit 22 are integrated on the front side of the camera below the spool chamber 3 and the cylindrical optical unit 7. It can be efficiently and densely stored. As described above, the battery chamber 8 and the main capacitor 11 for the cylindrical strobe are combined into one cylindrical space, so that the battery chamber 8 and the strobe for the cylindrical strobe are formed as shown in FIGS. Utilizing the rising space of the main condenser 11, the camera body front cover 25 and the camera body rear cover 2
Since 1 can be fixed to the camera body with the screws 24 and 27, the degree of freedom of design is improved and a space for fixing the screws is easily secured.

Further, projections 26 and 28 for engaging the pressure plate 23 to shield the spool chamber 3 and the aperture 6 from light are provided along the cylindrical surface of the cylindrical battery 9 and the main condenser 11 for the strobe. 21 can be formed in almost the same shape in the space between them, so that the space efficiency is extremely good.

Further, since the cylindrical battery 9 is inserted into or taken out of the battery chamber 8 in the longitudinal direction from the side of the camera, as described above, the battery chamber 8 and the main body for the strobe for the cylindrical strobe are used. Utilizing the rising space of the condenser 11, the camera main body front cover 25 and the camera main body rear cover 21 can be fixed to the camera main body with screws 24 and 27. The spool chamber 3 and the aperture are engaged with the pressure plate 23. Convex portions 26 and 28 for shielding 6 from light
With the cylindrical battery 9 and the main capacitor 11 for the strobe
Extending downward along the cylindrical surface between the camera body and the rear cover 21. In other words, when the cylindrical battery 9 is loaded or unloaded from the battery chamber 8 from below the camera, the camera body front cover 25 and the camera body Screw the rear cover 21 onto the screw 24,
At 7, the camera cannot be fixed to the camera body.
When the cylindrical battery 9 is loaded or unloaded from the battery compartment 8 from the rear of the camera, the protrusions 26, 2 which engage the pressure plate 23 to shield the spool chamber 3 and the aperture 6 from light.
8 is a cylindrical battery 9 and a strobe main capacitor 1
It cannot be formed so as to extend downward along the first cylindrical surface and between the camera body and the rear cover 21.

It should be noted that the present invention is not limited to those shown in the above embodiments, but may be any configuration capable of achieving the functions described in the claims or the functions of the configurations of the embodiments. Needless to say, it may be something.

That is, for example, in the camera of the above embodiment, the film is fed in the horizontal direction of the camera, but if the film is fed in the vertical direction of the camera, It goes without saying that the above-described configuration is rotated by 90 degrees.

Further, the present invention is not limited to the above-described embodiment, and the main condenser for the strobe may be arranged above the photographing optical unit, or both the battery chamber and the main condenser for the strobe may be disposed in the spool chamber and the photographing unit. It may be arranged above the optical unit, or the battery chamber may be arranged above or below the cartridge chamber. In particular, when the battery chamber and the strobe main condenser are both arranged above the spool chamber and the photographing optical unit, respectively, a photometric sensor, an auto-focus projection / light receiving sensor are provided in front of the battery chamber and the strobe main condenser. By arranging the strobe light emitting part, etc.,
The storage efficiency can be greatly improved.

Further, the present invention relates to the above embodiments,
The projection for engaging the pressure plate and shielding the spool chamber and the aperture from light may be configured to engage with another structure such as a camera body cover to shield the light.

In the present invention, the form of the photographing optical unit, the battery, and the main condenser for the strobe are not limited to a cylinder but may be any form such as a prism.

Further, the present invention can be applied even if the diameter of the photographing optical unit is smaller than the height of the cartridge chamber or the spool chamber as long as the photographing optical unit protrudes from the cartridge chamber or the spool chamber. Things.

In the present invention, the battery chamber does not need to extend from above the photographing optical unit to below.

The present invention can be applied to a cartridge having an image recording medium other than a film, and even to a cartridge using another type of cartridge.

Further, the present invention is applicable to a case where the whole or a part of the constitution of the claims or the embodiments forms one device or is combined with another device. It may be an element constituting the device.

Further, the present invention provides various types of cameras such as a single-lens reflex camera, a lens shutter camera, and a video camera.
Further, the present invention can be applied to optical devices and other devices other than cameras, and further to devices applied to the cameras, optical devices and other devices, or elements constituting these devices.

[0029]

As described above, according to the present invention,
It is possible to provide a camera that can be appropriately reduced in size without generating useless space.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view for describing an overall layout of a camera according to an embodiment of the present invention.

FIG. 2 is a transverse sectional view showing the camera of FIG. 1 as viewed from below.

FIG. 3 is a central cross-sectional view of the camera of FIG. 1 at the position of the taking lens optical axis.

FIG. 4 is a central longitudinal sectional view of the camera of FIG. 1;

5 is a longitudinal sectional view of the camera of FIG. 1 at a spool chamber position.

FIG. 6 is a side view of the camera of FIG. 1 on the battery chamber side.

[Description of Signs] 1 Cartridge chamber 3 Spool chamber 7 Cylindrical photographing optical unit 8 Battery chamber 11 Main condenser for cylindrical strobe 12 Lens drive motor 22 Circuit unit

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-6-301094 (JP, A) JP-A-4-149534 (JP, A) JP-A-6-202219 (JP, A) JP-A-7- 209742 (JP, A) JP-A-8-76207 (JP, A) JP-A-8-95136 (JP, A) Japanese Utility Model Application Laid-Open No. 61-116331 (JP, U) ⁷ , DB name) G03B 17/02

Claims (21)

(57) [Claims] And 1. A cartridge chamber, a spool chamber, an imaging optical unit disposed between said spool chamber and said cartridge chamber, with the cartridge chamber in at least one of the upper and lower of the spool chamber the
The photographing optical unit is provided in a step space of the spool chamber.
A camera comprising: a battery chamber that is not provided directly above and below an optical axis of a knit; and a strobe condenser that is disposed at least one of above and below the photographing optical unit. 2. The camera according to claim 1, wherein the cartridge chamber houses an image recording medium cartridge. 3. The camera according to claim 1, wherein said cartridge chamber stores a film cartridge. 4. The apparatus according to claim 1, wherein the spool chamber has a spool for winding the image recording medium.
The described camera. 5. The camera according to claim 1, wherein the spool chamber has a spool for winding a film. 6. The camera according to claim 1, wherein the photographing optical unit has a cylindrical lens barrel. 7. The camera according to claim 1, wherein the battery chamber is configured to extend to at least one of an upper side and a lower side of the photographing optical unit. 8. The camera according to claim 1, wherein the battery chamber is configured to store a battery with a longitudinal direction thereof being set to a lateral direction. 9. The camera according to claim 8, wherein the battery chamber is configured so that the battery can be taken in and out from a longitudinal direction thereof. 10. The camera according to claim 8, wherein the strobe capacitors are arranged side by side in a longitudinal direction of the battery chamber. 11. At least one of an upper side and a lower side of the photographing optical unit, in a longitudinal direction of the battery chamber,
9. The camera according to claim 8, further comprising a strobe condenser arranged side by side in a longitudinal direction. 12. The camera according to claim 1, wherein the battery chamber is configured so that the battery can be taken in and out from a longitudinal direction thereof. 13. The camera according to claim 1, wherein the battery chamber is configured to store a cylindrical battery. 14. The camera according to claim 13, wherein the battery chamber is configured to store the cylindrical battery with its longitudinal direction being set to a lateral direction. 15. The camera according to claim 14, wherein the strobe condenser is a cylindrical strobe condenser arranged side by side in the longitudinal direction of the battery chamber with the longitudinal direction being a horizontal direction. 16. The strobe capacitor according to claim 1, wherein the strobe capacitor is a cylindrical strobe capacitor having a diameter substantially equal to that of the cylindrical battery, which is arranged side by side in a longitudinal direction of the battery chamber. The camera according to claim 14, wherein: 17. The strobe capacitor according to claim 1, wherein the strobe capacitor is a cylindrical strobe capacitor smaller than a diameter of the cylindrical battery, the capacitors being arranged side by side in a longitudinal direction of the battery chamber. The camera according to claim 14, wherein 18. The cylindrical strobe capacitor is arranged in a longitudinal direction of the battery chamber so that a central axis thereof is substantially coaxial with a central axis of the battery. The camera according to claim 14, wherein the camera is a condenser for use with a camera. 19. The camera according to claim 1, wherein the strobe condenser is arranged side by side with the battery compartment. 20. The camera according to claim 1, wherein a height of the spool chamber is smaller than a diameter of the photographing optical unit. 21. Capacitor for the strobe, the imaging optical unit of the true on and claims 1, wherein the camera being disposed on at least one of the true bottom of the optical axis.