JPH0695244A - Panorama switching camera - Google Patents

Abstract

PURPOSE:To switch an ordinary full size photographic image frame and a panoramic photographic image frame by the turning action of a photographic image frame mask member consisting of a single member. CONSTITUTION:This camera is constituted by providing the photographic image frame mask member 2 having a photographing aperture 3 for regulating the panoramic photographic image frame in a center part and a folded part 4 in a short side direction in the nearly center part of a long side, a finder mask member 7 having a visual field aperture 8 for regulating panoramic photographic visual field and movably provided in a finder, and a transmission means 9 transmitting driving force based on the switching operation of the ordinary photographic image frame and the panoramic photographic image frame by an operating member 9 to both members 2 and 7 and interlockingly turning or moving both members 2 and 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panorama switching camera capable of switching a shooting screen from a full size screen to a horizontally long screen, that is, a screen where a so-called panoramic picture is obtained, by operating an appropriate operating member during shooting. It is a thing.

[0002]

2. Description of the Related Art Conventionally, in order to obtain a panoramic picture having a screen configuration that is wider than a full-size screen during shooting,
Various proposals or practical applications have been made for cameras having a configuration for switching the shooting screen.

That is, the panoramic photograph is usually a proper area 1a, 1b above and below the film 1 as shown in FIG.
The panorama size screen P
Was obtained by defining

Now, looking at the photographing screen switching structure of a conventionally well-known panoramic switching camera capable of obtaining the film 1 as described above, normally, the appropriate area 1a,
1b is provided with two shielding members, and these two shielding members respond to the switching operation of the photographing screens to regulate the full-size setting position where the photographing screens are not regulated and the photographing screens to the state as shown in FIG. It adopted a switching configuration that interlocks between panorama size setting positions.

The field of view of the finder is mechanically or electrically switched in conjunction with the above switching operation, so that failure in photographing can be prevented.

[0006]

As described above, the conventionally known panorama switching camera obtains a panoramic photograph by switching the photographing screens by the two shielding members. Consider the switching configuration itself. In addition, it requires a configuration in which the two shielding members are interlocked with each other, the number of parts increases, and it is easily affected by rattling of the constituent members. For example, when the panorama size itself cannot be accurately set, or when the panoramic shooting screen is filmed. There is a disadvantage that there is a possibility that the case may not be accurately set at a predetermined position on the surface.

The present invention has been made in view of the above disadvantages, and an object of the present invention is to provide a panoramic switching camera capable of setting a panoramic size photographing screen with a single member.

[0008]

A panorama switching camera according to the present invention has a photographing screen mask member, a finder mask member, an operating member, and a transmission means, and the photographing screen mask member has an elastic force. It is a single member made of resin material in a substantially rectangular shape, and has a shooting aperture that defines the panoramic shooting screen in the center, and a bent portion that is provided in the short side direction at the center of the long side. The rotating shaft is provided on one short side positioned laterally, the other short side is provided with an end portion to which a driving force is supplied, and is arranged on the subject side from the film surface. It has a field opening that defines the panoramic field of view and can be moved in the viewfinder, the operation member is provided on the outer surface of the camera and is manually operated, and the transmission means is the operation member and the imaging screen mask. Is disposed between the material and the finder mask member and transmits the operation of the operation member to the photographing screen mask member and the finder mask member. The photographing screen mask member is centered on the rotation axis by the operation of the operating member via the transmitting means. The panorama shooting state where the shooting aperture is positioned in the front of the film surface without being bent, and the shooting aperture is retracted outside the shooting optical path by being bent at the bent portion. The normal view state is set, and the finder mask member moves in conjunction with the photographic screen mask member by the operation of the operating member via the transmission means, and the viewfinder field is defined by the field opening and the panoramic field state and the viewfinder field are defined. It is configured to set a normal viewfinder visual field state in which the visual field opening is retracted from.

[0009]

Since the panorama switching camera according to the present invention is constructed as described above, when the operation member is operated, the driving force of the operation member is formed as a single member via the transmission means, and the photographing screen mask member and the finder. It will be transmitted to the mask member.

Therefore, the photographing screen mask member rotates on the side closer to the photographing screen on the side of the photographing screen on the side of the film than the film surface, and about the rotation axis formed in the direction of the short side thereof. It will move in the viewfinder in conjunction with the rotation of.

By rotating the photographing screen mask member, a state in which it is not bent and a state in which it is bent at the bent portion are set, and in the former state, the photographing opening is arranged immediately in front of the film to make the photographing screen a panoramic photographing screen. In the latter case, the photographing aperture is arranged in front of the film that does not obstruct the optical path, and the photographing screen is set to the normal full-size photographing screen.

That is, according to the present invention, the switching between the normal photographing state for full-size photographing and the panoramic photographing state for panoramic size photographing is performed by a single member whose rotational movement is controlled by operating the operation member. This is performed by the photographing screen mask member to be formed.

At the same time, the finder mask member is also moved in the finder to set a panoramic field state in which the field of view is defined by the field opening and a normal view field in which the field opening is retracted from the field of view. Become.

[0014]

1 to 4 are schematic diagrams showing an embodiment of a camera body according to the present invention, and FIGS. 1 and 2 show a full-size shooting screen setting state in which normal shooting, that is, full-size shooting can be performed. FIG. 3 shows a schematic front view of a main part and a schematic top view of a main part. FIGS. 3 and 4 respectively show a schematic front view of the main part and a schematic top view of the main part in a panoramic shooting screen setting state in which panoramic shooting is possible.

In FIGS. 1 to 4, the photographing screen mask member 2 is a single member formed of a resin material having an elastic force in a substantially rectangular shape, and has a photographing opening 3 defining a panoramic photographing screen in the center. I have it.

Further, the photographing screen mask member 2 is provided with a bent portion 4 provided in the short side direction at a substantially central portion of its long side.

Further, the rotating shaft 5 is supplied to one short side located laterally outside the photographing screen, and the driving force by the operation of the operation member described later is supplied to the other short side via the operation member described later. The end portion 6 is provided, and is disposed on the photographing lens L side, that is, the subject side of the film surface F indicated by the alternate long and short dash line as shown in FIG.

The finder mask member 7 has a field opening 8 which defines a panoramic field of view and is constructed so as to be movable in a finder (not shown).

The operating member 9 is provided on the outer surface of a camera (not shown) and is manually operated in the directions shown by arrows A and B in the figure.

The transmission means 10 includes a connecting member 11 connected to the operating member 9 and an operating member 9 connected to the connecting member 11.
The distribution member 12 that distributes the driving force supplied from the distribution member 12, the first control member 13 that is connected to the distribution member 12 and supplies the driving force to the photographing screen mask member 2, and the distribution member 12 that is connected to the distribution member 12 Second supply to 7
And the control member 14.

That is, the transmission means 10 is arranged between the operating member 9 and the photographing screen mask member 2 and the finder mask member 7, and the operation of the operating member 9 is controlled by the photographing screen mask member 2.
And transmitted to the finder mask member 7.

The operation of the panorama switching camera according to the present invention having the above-mentioned structure will be described in detail below.

When the operating member 9 is now operated in the direction of arrow A in the normal shooting state for full-size shooting shown in FIGS. 1 and 2, the driving force based on this operation is transmitted by the transmission means 1.
It is supplied to each member such as the connecting member 11 forming 0.

The connecting member 11 rotates counterclockwise about the shaft 11a when the driving force is supplied.

The distribution member 12 is connected by a well-known connecting structure composed of the groove 11b and the pin 12b of the rotating member 11, and the shaft 12 is rotated by the counterclockwise rotation of the rotating member 11.
Rotate clockwise around a.

The distribution member 12 is also connected to the pin 13b of the first control member 13 via the long groove 12c and also to the second control member 14 via the pin 12d. The first control member 13 is rotated clockwise about the shaft 13a, and the second control member 14 is rotated clockwise about the shaft 14a.

The first control member 13 is rotated about the shaft 13a in the clockwise direction to generate a rotational driving force for the one end portion 13.
It is transmitted to the photographing screen mask member 2 through the end portion 6 that is movably fitted into the hole of c.

At the same time, the second control member 14 has a pin 7a fitted therein so that its rotational driving force can be moved to the groove 14c formed in the one end portion 14b by the clockwise rotation about the shaft 14a. Through the finder mask member 7
Communicate to.

Therefore, the photographing screen mask member 2 rotates clockwise about the rotation axis 5, that is, in the direction approaching the film surface F, and the finder mask member 7 moves in the same direction as the arrow A. become.

The rotation operation of the photographing screen mask member 2 is performed while releasing the bending state by the bending portion 4, as shown in the shaft 13a of the first control member 13.
It is also clear from the relationship between the end portion 6 and the end portion 6, and finally, the film is rotated until it is not bent at the bent portion 4 as shown in FIGS.

Further, the finder mask member 7 finally moves to the position shown in FIGS. 3 and 4.

That is, the photographing aperture 3 defining the panoramic photographing screen of the photographing screen mask member 2 is arranged immediately in front of the film surface F, and the photographing screen is set to the panoramic photographing state controlled by the photographing aperture 3 and at the same time, the finder. As for the visual field, the panoramic photographing visual field is set by the visual field opening 8 of the finder mask member 7.

In other words, by operating the operation member 9 in the direction of arrow A from the normal photographing state shown in FIGS. 1 and 2, the photographing screen and viewfinder field of the camera are shown in FIG.
The panoramic shooting state shown in FIG. 4 is switched to.

On the other hand, when the operation member 9 is operated in the direction of arrow B, which is the opposite of the direction of arrow A, in the panoramic photographing state shown in FIGS. And the like perform the reverse operation to the above-described operation.

That is, the connecting member 11 rotates clockwise about the shaft 11a, and the distributing member 12, the first and second control members 13 and 14 rotate counterclockwise about the shafts 12a, 13a and 14a, respectively. Become.

Therefore, the photographing screen mask member 2 is rotated around the rotation axis 5 toward the subject while being bent by the bending portion 4, and the finder mask member 7 is moved in the direction of arrow B, and finally. Will rotate and move to the states shown in FIGS. 1 and 2, respectively.

As a result, the photographic opening 3 defining the panoramic photographic screen of the photographic screen mask member 2 moves from immediately before the film surface F and is arranged in front of the film surface F, whereby the photographic opening 3 is retracted out of the photographic optical path. As a result, the normal photographing state that is not controlled by the photographing aperture 3 is set as the photographing screen, and at the same time, the normal photographing visual field that is not defined by the visual field opening 8 of the finder mask member 7 is set.

In other words, by operating the operation member 9 in the direction of arrow B from the panoramic image pickup state shown in FIGS. 3 and 4, the image pickup screen and viewfinder field of the camera are normally shown in FIGS. It will be switched to the shooting state.

[0039]

The panorama switching camera according to the present invention is
As described above, since the switching between the normal shooting state and the panoramic shooting state by the operation of the operation member is performed by the operation of the shooting screen mask member which is a single member having the shooting opening that defines the panoramic shooting screen, The interlocking structure of the two shielding members, which is required because two shielding members have been used conventionally, is not required, and thus the number of parts can be reduced.

Since the number of parts can be reduced,
It has an effect that the panoramic photographing screen can be accurately set at a predetermined position on the film surface without being easily affected by rattling of constituent members.

Further, since the panoramic photographing screen is defined by the photographing opening formed in a single member, the panoramic size itself can be set more accurately than in the case where the two shielding members are defined. have.

[Brief description of drawings]

FIG. 1 is a schematic front view of main parts showing a full-size shooting screen setting state in an embodiment of a panorama switching camera according to the present invention.

FIG. 2 is a schematic top view of essential parts showing a full-size shooting screen setting state in an embodiment of a panorama switching camera according to the present invention.

FIG. 3 is a schematic front view of essential parts showing a panorama size shooting screen setting state in an embodiment of a panorama switching camera according to the present invention.

FIG. 4 is a schematic top view of essential parts showing a panorama size shooting screen setting state in an embodiment of a panorama switching camera according to the present invention.

FIG. 5 is a plan view of a film from which a panoramic photograph can be obtained.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Film 2 Photographing screen mask member 3 Photographing opening 4 Bending part 5 Rotating shaft 6 End part 7 Finder mask member 8 Field opening 9 Operation member 10 Transmission means 11 Connecting member 12 Distribution member 13 First control member 14 Second control member

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuto Mobara 2-9-95 Nagara Higashi, Kita-ku, Osaka City West Electric Co., Ltd.

Claims (1)

[Claims] 1. A panorama switching camera having a photographing screen mask member, a finder mask member, an operating member, and a transmitting means, wherein the photographing screen mask member is made of a resin material having an elastic force and has a substantially rectangular shape. It is a single member that is formed on the outside of the shooting screen and has a shooting opening that defines the panoramic shooting screen in the center and a bent portion that is provided in the short side direction in the approximate center of the long side. Is provided with a rotation axis on the short side and an end portion to which the driving force is supplied on the other short side, and is disposed on the subject side of the film surface. The finder mask member defines a panoramic view field. The operation member is provided on the outer surface of the camera and is manually operated, and the transmission means is the operation member, the photographing screen mask member, and the finder mass. It is arranged between the members and transmits the operation of the operation member to the photographing screen mask member and the viewfinder mask member, and the photographing screen mask member is rotated about the rotation axis by the operation of the operation member via the transmitting means. ,
There are a panoramic shooting state in which the shooting opening is located in the front of the film surface without being bent, and a normal shooting state in which the shooting opening is retracted outside the shooting optical path by being bent at the bent portion. The finder mask member moves in conjunction with the photographic screen mask member by operating the operation member via the transmission means, and the viewfinder field is retracted from the viewfinder field to the panoramic field of view defined by the field opening. A panorama switching camera that sets the normal viewfinder view state.