JPH04366934A - Camera provided with trimming function - Google Patents

Abstract

PURPOSE:To accomplish the reduction of the cost of a camera and to inform of a trimming state. CONSTITUTION:This camera is provided with a permanent magnet 7 for erasing information on a magnetic storage part installed in a film, and a permanent magnet position varying means 6 which changes the position of the permanent magnet in a film feeding direction by interlocking with the movement of an operating member 5 and erases information other than selected trimming information out of plural pieces of trimming information recorded on the magnetic storage part by the permanent magnet, so that the information other than the selected trimming information is erased by the permanent magnet, and only the selected trimming information is left on the film surface as magnetic information.

Description

[Detailed description of the invention]

0001

FIELD OF APPLICATION OF THE INVENTION The present invention provides an operating member for selecting a trimming form, and a finder angle of view setting means for setting a finder angle of view in accordance with the selected trimming form in conjunction with the movement of the operating member. The present invention relates to an improvement of a camera with a trimming function that uses a film equipped with a magnetic storage section in which a plurality of pieces of trimming information are recorded in advance.

0002

2. Description of the Related Art Conventionally, a trimming mode such as "standard", "telephoto", or "panorama" is selected using an external operating member, and the viewfinder frame is switched in conjunction with this selection operation, and the previous trimming mode is selected when printing a photograph. US Pat. No. 4,973,997 proposes a camera that optically records a number of points on the film surface outside the photographic field as recognition information.

A camera using a film with magnetic storage is also disclosed in US Pat. No. 4,864,332.

0004

However, in the camera proposed in U.S. Pat. No. 4,973,997, when the outside light is very bright, the "dots" that are optically imaged as the recognition information of the trimming state cannot be used. ” would smudge, causing a portion of the shooting screen to be exposed. Furthermore, if a photograph is taken without using a strobe when the outside world becomes dark, such as in the evening, the above-mentioned "dots" may become very faint, making it impossible to distinguish them. Furthermore, a certain amount of optical system is required to imprint the image as a "dot", which increases the cost.

SUMMARY OF THE INVENTION In view of the above points, an object of the present invention is to provide a camera with a trimming function that can make the trimming mode known while realizing a reduction in the cost of the camera.

[0006]

[Means for Solving the Problems] The present invention provides a permanent magnet for erasing information on a magnetic storage section provided in a film, and a position of the permanent magnet in the film feeding direction in conjunction with the movement of an operating member. and a permanent magnet position variable means for changing the trimming information recorded on the magnetic storage section and erasing trimming information other than the selected one among the plurality of trimming information recorded on the magnetic storage section.

[0007]

[Operation] The permanent magnet position variable means changes the position of the permanent magnet in conjunction with the movement of the operating member for selecting the trimming form, and erases all trimming information other than the selected trimming information using the permanent magnet. Only the trimming information is left on the film surface as magnetic information.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 and 2 are views showing one embodiment of the present invention, with FIG. 1 being a perspective view of a camera, and FIG. 2 being a perspective view showing the mechanical structure of the main parts.

In these figures, reference numeral 1 denotes a camera case, and the operation part 5 of the trimming switching lever 5, which will be described in detail later, is shown in FIG.
It has a hole portion 1a into which the letter A fits, and a display portion 1b on which selectable trimming positions such as “standard” and “panorama” are printed. 2 is a finder, 3 is a photographing lens, and 4 is a shutter button.

Reference numeral 5 designates the aforementioned trimming switching lever 5, in addition to the aforementioned operating section 5a, as shown in FIG. , a frame 5c that determines the viewfinder angle of view when "standard" is selected, and a bifurcated fork portion 5e.

Reference numeral 6 has a protruding portion 6a that is slidably fitted into the fork portion 5e, and a hole portion 6b into which a slide plate 8a of the lever 8, which will be described in detail later, is slidably fitted in the direction of arrow C. This is the base plate, and a permanent magnet 7 is fixed to the film F side at a position where it comes into contact with a magnetic storage section (not shown) provided on the film F.

Reference numeral 8 designates the aforementioned lever, which includes a pin 14 fixed to the camera body 10 in addition to the slide plate 8a.
, 15 are fitted into the elongated holes 8b and 8c, an inclined plate 8d that engages with the tip end 4b of the shutter button 4, and a spring 9 that biases the lever 8 in the optical axis direction (in the direction opposite to the arrow D). It has a spring hook part 8e that holds one end of the spring. Note that this lever
8 is bent at a right angle at a portion 8f, as shown in FIG.

Reference numeral 11 denotes a pressing member made of an elastic material, which is disposed at a passing position of the magnetic storage section provided on the film F, and is used to ensure contact between the permanent magnet 7 and the magnetic storage section during photographing. It is.

A pressure plate 12 has a groove 12a in which the pressure member 11 is attached.

13 is a shutter member, and 16 is a spring that urges the shutter button 4 upward in FIG.

[0016] The magnetic storage portion of the film F includes:
As shown in FIG. 3, which will be described later, trimming information is written in advance over all frames.

FIG. 3 is a diagram showing the film F, where 50 is the shooting screen frame when standard is selected as the trimming information, 51 is the perforation, and 102 is the panorama data recorded as the trimming information. magnetic recording section,
101 is a magnetic recording section in which standard data is recorded, and these magnetic recording sections 101 and 102 have a start label 101a (102a) and a data section 101b (102a), as shown in the figure.
02b), an end label 101c (102c), and when reading data from film F, by first reading this star label, it is possible to determine which data comes next, and the end label 101c (102c). You can tell that it is the end when the specified end label appears. These start and end labels can be distinguished from other signals by, for example, 16 consecutive "0"s.

In the above configuration, first, the case where the "standard" position is selected by the trimming switching lever 5 as shown in FIG. 1 will be described with reference to FIG. 4.

In this case, since the operating section 5a is at the left position as shown in FIG. 1, it takes the position moved in the direction A in FIG. This means that the frame 5c corresponding to (see) has been selected. Furthermore, since the trimming switching lever 5 is also in a position where it has been moved integrally in the direction A in FIG. It will be located in the place of the side entanglement).

In such a state, the shutter button 4
When is pressed, its tip 4b first comes into contact with the inclined plate 8d of the lever 8, and as the shutter button 4 is further pressed, the lever 8 is moved against the bias of the spring 9. pin 1
The elongated holes 8b and 8c are guided by 4 and 15 to slide in the direction of arrow D. As a result, the permanent magnet 7
comes into contact with the magnetic storage unit 102 of the photographed frame, and as shown in Fig. 4, the magnetic information (panoramic trimming information) of this part is stored.
is erased, only the magnetic storage section 101 remains, and the piece has "
Information indicating that the image was taken in the "standard" format will remain.

Thereafter, when the pressing operation of the release button 4 is released, the lever 8 moves in the direction of arrow D according to the bias of the spring 9.
The permanent magnet 7 slides in the opposite direction, and the permanent magnet 7 is retracted from the film F surface.

Next, use the trimming switching lever 5 to select "
Figure 5 for the case where the “Panorama” position is selected.
Explain using.

In this case, since the operating section 5a is slid in the direction of arrow B in FIG. 2, the viewfinder angle of view is the frame 5b corresponding to the shooting screen size 50a (see FIG. 4) at this time.
is selected. Furthermore, since the trimming switching lever 5 is slid in the direction of arrow B, the permanent magnet 7 fixed to the main plate 6 also slides in the same direction, and the right side of the magnetic storage section provided at the bottom of the photographic frame (the photographing lens 3) is moved in the same direction. It will be located at the location (viewed from the side).

In such a state, the shutter button 4
When is pressed, its tip 4b first comes into contact with the inclined plate 8d of the lever 8, and as the shutter button 4 is further pressed, the lever 8 is moved against the bias of the spring 9. pin 1
The elongated holes 8b and 8c are guided by 4 and 15 to slide in the direction of arrow D. As a result, the permanent magnet 7
comes into contact with the magnetic storage section 101 of the photographed frame, and the magnetic information in this area is erased as shown in FIG. Information that means this will remain.

When erasing the trimming information using the permanent magnet 7, as shown in FIG.
is "L1 x L4", but in order to completely invalidate each of these data, the size of the permanent magnet 7 is changed from these data.
It is necessary that the diameter be larger than at least the star travel portion of the data. By erasing the star label, it becomes impossible to read data during printing.

FIGS. 6 and 7 are views showing other embodiments of the present invention, with FIG. 6 being a perspective view of the camera, and FIG. 7 being a perspective view showing the mechanical structure of the main parts. The same parts and parts having the same functions as those in the first embodiment are given the same reference numerals.

In this embodiment, as shown in FIG. 6, in addition to "standard" and "panoramic" trimming information, "telephoto" can also be selected using the trimming switching lever 5. As shown in Figure 7, is frame 5 that determines the viewfinder angle of view when "telephoto" is selected.
It is equipped with d.

FIG. 8 is a diagram showing the film F in this embodiment, where 104 is a magnetic recording section in which panoramic data is recorded as trimming information, and 103 is a magnetic recording section in which telephoto data is recorded. be. Further, no standard data is recorded, and therefore, if no magnetic information is recorded on a certain frame of the film F, it indicates that the frame is "standard".

As shown in FIG. 7, the permanent magnet 7 in this embodiment has a horizontally elongated shape compared to that in the first embodiment, and the permanent magnet 7 is constructed so as to always erase two pieces of trimming information. has been done.

In the above configuration, first, the case where the "standard" position is selected by the trimming switching lever 5 will be described with reference to FIG.

In this case, since the operating section 5a is at the center position as shown in FIG. 6, the frame 5c corresponding to the shooting screen size 50 (see FIG. 9) at this time is selected as the viewfinder angle of view. become. Furthermore, since the trimming switching lever 5 is in the center position, the permanent magnet 7 fixed to the main plate 6 is also connected to the magnetic storage unit 103 and 1 provided at the bottom of the photographic frame.
04 will be located in a central location covering both areas.

In such a state, the shutter button 4
When is pressed, the lever 8 begins to slide in the direction of arrow D as described above. As a result, as shown in FIG.
This means that the magnetic information (panoramic and telephoto cropping information) in this area is erased, and there is no longer any magnetic information on the frame, meaning that it was photographed in the "standard" format. become.

After that, when the pressing operation of the release button 4 is released, the lever 8 moves in the direction of the arrow D according to the bias of the spring 9.
The permanent magnet 7 slides in the opposite direction, and the permanent magnet 7 is retracted from the film F surface.

Next, use the trimming switching lever 5 to select "
Figure 1 for the case where the “Panorama” position is selected.
This will be explained using 0.

In this case, since the operating section 5a is slid in the direction of arrow B in FIG. 6, the viewfinder angle of view is the frame 5 corresponding to the shooting screen size 50a (see FIG. 10) at this time.
This means that b has been selected. Also, since the trimming switching lever 5 is slid in the direction of arrow B, the base plate 6
The permanent magnet 7 fixed to the frame also slides in the same direction, and is positioned to cover only the magnetic storage section 103 provided at the bottom of the photographic frame.

In such a state, the shutter button 4
When is pressed, the lever 8 begins to slide in the direction of arrow D as described above. As a result, as shown in FIG. 11, the permanent magnet 7 comes into contact with the magnetic storage section 103 of the photographed frame, the magnetic information (telephoto trimming information) in this area is erased, and the frame is set in a "panoramic" trimming mode. Information indicating that the photo was taken will remain.

Next, use the trimming switching lever 5 to select "
A case where the "telephoto" position is selected will be explained using FIG. 11.

In this case, since the operating section 5a is slid in the direction of arrow A in FIG. 7, the viewfinder angle of view is the frame 5 corresponding to the photographing screen size 50b (see FIG. 11) at this time.
This means that d has been selected. Further, since the trimming switching lever 5 also slides in the A direction, the permanent magnet 7 fixed to the base plate 6 is also positioned to cover only the magnetic storage section 104 provided at the bottom of the photographic frame. At this time, a part of the permanent magnet 7 will be placed on the next piece, but since no magnetic information is recorded in this part, no problem will occur.

In such a state, the shutter button 4
When is pressed, the lever 8 begins to slide in the direction of arrow D as described above. As a result, as shown in FIG. 11, the permanent magnet 7 comes into contact with the magnetic storage section 104 of the frame, the magnetic information (telephoto trimming information) in this area is erased, and the frame is set in the "telephoto" mode. Information indicating that the photo was taken will remain.

After that, when the pressing operation of the release button 4 is released, the lever 8 moves in the direction of the arrow D according to the bias of the spring 9.
The permanent magnet 7 slides in the opposite direction, and the permanent magnet 7 is retracted from the film F surface.

According to each of the above embodiments, the position of the permanent magnet 7 is moved in conjunction with finder switching, and the permanent magnet 7 is
This erases trimming information other than the selected trimming information from among the multiple trimming information pre-recorded in the magnetic recording section of the film, making it possible to perform trimming even with very cheap cameras such as disposable cameras. ,
This has the effect of allowing you to easily configure photos of any size (angle of view), such as standard or panoramic photos.

[0042]

[Effects of the Invention] As explained above, according to the present invention,
A permanent magnet for erasing information on a magnetic storage section provided on the film, and a permanent magnet whose position in the film feeding direction is changed in conjunction with the movement of an operating member to erase information recorded on the magnetic storage section. Among the trimming information, the permanent magnet position variable means erases the trimming information other than the selected trimming information by the permanent magnet, and erases the trimming information other than the selected trimming information by the permanent magnet, and only the selected trimming information is magnetic information. I try to leave it on the film surface as a. Therefore, it is possible to make the trimming form known while realizing a reduction in the cost of the camera.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a camera showing an embodiment of the present invention.

FIG. 2 is a perspective view showing the mechanical configuration of main parts of the camera in FIG. 1;

FIG. 3 is a diagram for explaining a film used in an embodiment of the present invention.

FIG. 4 is a diagram illustrating a case where an image is taken in a "standard" state by the camera in FIG. 1;

FIG. 5 is a diagram illustrating a case where an image is photographed using a "telephoto" trimming mode with the camera of FIG. 1;

FIG. 6 is a perspective view of a camera showing another embodiment of the invention.

FIG. 7 is a perspective view showing the mechanical configuration of main parts of the camera of FIG. 6;

FIG. 8 is a diagram for explaining a film used in another example of the present invention.

9 is a diagram illustrating a case where an image is taken in a “standard” state by the camera of FIG. 6; FIG.

FIG. 10 is a diagram illustrating a case where an image is photographed using the camera of FIG. 6 in a "panoramic" trimming mode.

11 is a diagram illustrating a case where an image is photographed using a "telephoto" trimming mode using the camera of FIG. 6;

[Explanation of sign]

5 Trimming switching lever 6 Main plate 7 Permanent magnet 8 Lever F Film 101-104 Magnetic storage section

Claims (1)

[Claims] 1. A trimming function comprising an operating member for selecting a trimming form, and a finder angle of view setting means for setting a finder angle of view according to the selected trimming form in conjunction with the movement of the operating member. The camera includes a permanent magnet for erasing information on a magnetic storage section provided on the film, and a position of the permanent magnet in the film feeding direction that changes in conjunction with movement of the operating member, 1. A camera with a trimming function, comprising permanent magnet position variable means for erasing trimming information other than selected trimming information among a plurality of pieces of trimming information recorded on the permanent magnet.