JPH0728163A - Camera - Google Patents

Abstract

PURPOSE:To provide a camera which can check the number of photographed frames separately the type by type of photographing, by actuating at least one of a plurality of counting means, selectively by a counting selecting means. CONSTITUTION:Using a photographing field changeover member furnished on a camera body 1, the size of the photographing field is changed over between the standard photographing field and panorama photographing field. A release button 2 is provided on the right of the oversurface of the camera body 1, and a pair of film counters 3, 4 are installed behind the button - for example, the one 3 situated nearer the front of the camera body 1 displays the number of frames in the standard photographing, while the other 4 situated behind displays the number of frames in panorama photographing. Therefore, indeces 10, 11 are provided for identifying the applicable field size corresponding to each film counter 3, 4. If in particular a film counter which is actuated in response to the end of the photographing for any one frame, is installed additionally, the total number of photographed frames is exhibited on this counter, so that the user can simply and instantly check the number of photographed frames the type by type of photographing and also the total number of photographed frames.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera provided with a means for counting the number of photographed frames.

[0002]

2. Description of the Related Art A conventional camera is provided with only a film counter for displaying the total number of film frames.

[0003]

The above film counter cannot confirm the number of frames for each type of shooting. For example, in a camera that can switch between standard shooting in which the film is exposed to approximately the same size as the aperture and panorama shooting in which the upper and lower ends of the aperture are covered to expose a certain range with the film loaded, standard shooting and panoramic shooting are possible. It is not possible to confirm the number of frames taken separately.

An object of the present invention is to provide a camera capable of confirming the number of frames for each type of shooting.

[0005]

1 to 3 showing an embodiment, the present invention will be described. In the present invention, a plurality of counting means 3 and 4 capable of counting the number of photographed frames and one frame. The above-described object is achieved by including the count selecting unit 20 that selectively operates at least one of the plurality of counting units 3 and 4 in response to the end of image capturing. In the camera of the second aspect, the display means 3 and 4 capable of displaying the count values of the plurality of counting means are provided. Further, with reference to FIG. 14,
In the camera of claim 3, the storage means 71 to 73 for storing the count value of the counting means are provided.

[0006]

In the present invention, the counting / selecting means 20 operates the counting means 3 and 4 which are different for each type of photographing to count the number of photographing frames for each type of photographing. When it is desired to grasp both the total number of frames to be photographed and the number of frames to be photographed for each type of photographing, for example, as shown in FIG. 5 and FIG. One of (4) and (15) is always operated, and the remaining counting means (3, 4) are selectively operated for each type of imaging. The count values of the counting means 3 and 4 are displayed on the display means 3 and 3.
Display by 4. When the storage units 71 to 73 for storing the count value of each counting unit are provided, the number of frames for a specific shooting type can be confirmed when necessary.

Incidentally, in the section of means and action for solving the above problems for explaining the constitution of the present invention, the drawings of the embodiments are used for making the present invention easy to understand. It is not limited to.

[0008]

【Example】

-First Example- Hereinafter, a first example of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of the camera of this embodiment as seen from above the rear surface. In this camera, the size of the photographing screen can be switched between the standard photographing screen and the panoramic photographing screen by a photographing screen switching member 23 (see FIG. 3), which will be described later, provided in the camera body 1. A release button 2 is provided on the right side of the upper surface of the camera body 1, and a pair of film counters 3 and 4 are provided at the rear of the release button 2. The film counter 3 on the front side of the camera body 1 displays the number of frames for standard shooting, and the film counter 4 on the rear side displays the number of frames for panoramic shooting.

As shown in detail in FIG. 2, the film counters 3 and 4 are indicators 5S and 6S for displaying the number of photographed frames.
Have drums 5, 6 engraved at equal intervals in the circumferential direction. These drums 5 and 6 are provided rotatably around an axis extending in the front-back direction of the camera body 1 (vertical direction in FIG. 2). Then, the drum 5 is connected to the standard counter motor 24 shown in FIG. 3 and driven to rotate stepwise by the pitch of the index 5S, and the drum 6 is connected to the panorama counter motor 25 shown in FIG. Each of them is driven to rotate in steps. Camera body 1
Peep windows 7 and 8 for visually observing the indicators 5S and 6S above the drums 5 and 6 are formed on the upper surface of the peep windows 7 and 8.
The indexes 5S and 6S located on the index 9 at the center of 8 match the count values of the film counters 3 and 4. In FIG. 2, the film counter 3 for standard shooting displays the number of shooting frames “3”, and the film counter 4 for panoramic shooting displays the number of shooting frames ”.
5 "is displayed. On the left side of the viewing windows 7 and 8, indexes 10 and 11 for identifying the corresponding screen sizes of the film counters 3 and 4 are provided. An openable / closable back lid for the lens barrel 13 is a lens barrel.

FIG. 3 is a block diagram of a control system of the camera shown in FIGS. Reference numeral 20 is a CP composed of a microcomputer and peripheral devices such as a memory necessary for its operation.
U. Like the well-known camera, the CPU 20 has a half-press switch SW1 that is turned on by half-pressing a release button 2 (see FIG. 1), a release switch SW2 that is turned on by fully-pressing the release button 2, and a half-press switch SW1.
A distance measuring device (not shown) that measures the subject distance in response to the turning on of the switch, and a photometric device (not shown) that measures the field of light in response to the turning on of the half-press switch SW1 are connected, and the release switch SW2 is also connected. Lens barrel 13 in response to turning on
Is moved to a position according to the result of distance measurement by the distance measuring device, and a shutter and an aperture (not shown) are driven according to the result of light measuring by the light measuring device. In response, a film feeding device 22 that winds the film by one frame and rewinds the film in response to detection of the end of the film and a rewinding command from the photographer is connected.

The CPU 20 is also connected with a photographing screen switching member 23 for switching the photographing screen between the standard photographing screen and the panoramic photographing screen. The photographing screen switching member 23 supplies the CPU 20 with an identification signal for identifying whether the current photographing screen is the standard photographing screen or the panoramic photographing screen. CP
U20 performs a winding operation for one frame of film after the film feeding device 22 has finished shooting according to a main program for controlling the overall shooting operation, and then, based on an identification signal from the shooting screen switching member 23, The counter display changing process shown in FIG.
Alternatively, the panorama counter motor 25 is driven by a predetermined amount via the motor drive circuits 26 and 27. The procedure will be described below with reference to FIG.

In step S11, the photographing screen switching member 23
It is determined whether or not the standard shooting screen is selected as the current shooting screen based on the identification signal from. If it is the standard photographing screen, the process proceeds to step S12, and the standard counter motor 24 is rotated so that the index 5S of the drum 5 connected thereto is increased by one frame. If it is not the standard shooting screen, the process proceeds to step S13, and the panorama counter motor 2 is used.
5 is rotated so that the index 6S of the drum 6 connected thereto increases by one frame. After the end of step S12 or step S13, the process returns to the main program for controlling the overall shooting operation.

When the film rewinding device 22 rewinds the film, the CPU 20 runs the rewinding operation in parallel with the drums 5, 6 of the film counters 3, 4.
Is returned to the standby position before the start of counting the number of photographed frames. It is advisable to attach a character index "E" indicating the absence of film to this standby position as in the case of a normal film counter.

In the present embodiment, since the drum 5 of the film counter 3 is rotated by one frame during the standard photographing and the drum 6 of the film counter 4 is rotated by one frame during the panoramic photographing, the number of frames for the standard photographing is determined by the film counter 3. With the film counter 4, the number of frames for panoramic photography can be easily confirmed. Film counter 3, to know the total number of frames
It suffices to add the number of shooting frames of four. In this example,
The film counters 3 and 4 constitute counting means and display means, and the CPU 20 constitutes counting selection means.

-Second Embodiment- A second embodiment of the present invention will be described with reference to FIGS. First
The same parts as those of the embodiment are designated by the same reference numerals and the description thereof will be omitted. As shown in FIG. 5, in this embodiment, a film counter 15 is provided in addition to the film counter 3 for standard shooting and the film counter 4 for panoramic shooting. The film counter 15 is engraved with an index 16S for displaying the number of frames to be photographed, and is rotationally driven stepwise by the pitch of the index 16S about the longitudinal axis of the camera body 1 by the total counter motor 31 (FIG. 6). Drum 16
A value obtained by totalizing the number of frames displayed by the film counters 3 and 4 by the index 16S positioned on the index 18 in the center of the viewing window 17 and the viewing window 17 for viewing the index 16S above the drum 16. That is, the total number of photographed frames is displayed. In FIG. 5, the film counter 15 displays the total number of shooting frames “3” displayed by the film counter 3 and the total number of shooting frames “5” displayed by the film counter 4 for panorama shooting. ing.

FIG. 6 is a block diagram of a control system of the camera shown in FIG. This embodiment differs from the first embodiment shown in FIG. 3 described above in that a total counter motor 31 for driving the drum 16 of the film counter 15 is connected to the CPU 30 via a motor drive circuit 32. CPU3
0 indicates that the film feeding device 22 performs a winding operation for one frame of the film after the filming is finished according to a main program for controlling the entire shooting operation, and then, based on an identification signal from the shooting screen switching member 23. The counter display changing process shown in FIG. 7 is executed, and the standard counter motor 24 or the panoramic counter motor 25 is set to the motor drive circuit 2.
A predetermined amount is driven via 6 and 27, and the total counter motor 31 is driven by a predetermined amount each time photographing is completed.
Hereinafter, description will be given with reference to FIG. 7.

In the processing of FIG. 7, first, in step S21, it is determined whether or not the standard photographing screen is selected as the current photographing screen based on the identification signal from the photographing screen switching member 23. If it is the standard photographing screen, the process proceeds to step S22, and the standard counter motor 24 and the total counter motor 31 are set to the index 5 of the drums 5 and 16 connected to them.
Rotate so that S and 16S are increased by one frame. If the screen is not the standard photographing screen, the process proceeds to step S23, and the panorama counter motor 25 and the total counter motor 31 are connected to the indicators 6 of the drums 6 and 16.
Rotate so that S and 16S are increased by one frame. After completion of step S22 or step S23, the process returns to the main program for controlling the overall shooting operation. In addition,
When the film is rewound by the film feeding device 22, the CPU 30, in parallel with the rewinding operation, causes the drums 5, 6, 16 of the film counters 3, 4, 15 to start the counting of the number of frames to be photographed. It is returned to the standby position.

In the present embodiment, the number of frames for standard photography is the film counter 3, and the number of frames for panoramic photography is the film counter 4.
The total number of frames to be photographed is also displayed on the film counter 15 in addition to the respective numbers to be displayed on the screen, so that the number of frames to be photographed and the total number of frames for each type of photographing can be easily and instantly confirmed. In the present embodiment, the film counters 3, 4, 15 constitute counting means and display means, and the CPU 30 constitutes counting selection means.

Third Embodiment A third embodiment of the present invention will be described with reference to FIGS. The same parts as those of the first and second embodiments are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 8, in this embodiment, the number of frames to be photographed is digitally displayed by a display element such as a liquid crystal.
The display unit 40 shown in the figure has a first frame number display section 41 for displaying the number of frames for standard photographing and a second frame number for displaying the number of frames for panoramic photographing.
The frame number display section 42 and index sections 43 and 44 for identifying the screen size corresponding to these frame number display sections 41 and 42 are provided. In the figure, numeral 45 is a strobe display section for displaying a strobe light emission mode, 46 is a timer display section for displaying a self-timer set, and 47 is a battery level display section.

FIG. 9 is a block diagram of a control system of the camera shown in FIG. The CPU 50, which controls the operation of the entire camera,
A half-press switch SW1, a release switch SW2, a photographing control device 21, a film feeding device 22, and a photographing screen switching member 23 are connected in the same manner as in the above-mentioned respective embodiments, and a first counter capable of counting the number of photographing frames. 51 and a second counter 52 are incorporated. Indicator 4 described above
0 is connected to the CPU 50 via the drive circuit 48, and CP
U50 displays the count value of the first counter 51 on the first frame number display section 41 of the display unit 40, and displays the count value of the second counter 52 on the second frame number display unit 42 of the display unit 40. Let Further, the CPU 50 causes the film feeding device 22 to perform the winding operation for one frame of film after the filming is completed according to a main program for controlling the entire shooting operation, and then based on the identification signal from the shooting screen switching member 23. The counter display changing process shown in FIG.
Change part of the display of 0.

In the process shown in FIG. 10, first, step S3
In step 1, it is determined whether or not the standard shooting screen is selected as the current shooting screen based on the identification signal from the shooting screen switching member 23. If it is the standard photographing screen, the process proceeds to step S32, and 1 is added to the integrated value of the first counter 51. If it is not the standard photographing screen, the process proceeds to step S33, and 1 is added to the integrated value of the second counter 52. Step S32
Alternatively, after the end of step S33, the process proceeds to step S34, and the display of the first frame number display section 41 and the second frame number display section 42 of the display device 40 is changed to the current integrated value of the counters 51 and 52. As a result, only the display of the frame number display portions 41 and 42 corresponding to the counters 51 and 52 on the side added in step S32 or step S33 is increased by one frame. After the processing of step S34, the process returns to the main program that controls the overall shooting operation. When the film rewinding device 22 rewinds the film, the CPU 50 clears the counters 51 and 52 and changes the display of the frame number display portions 41 and 42 to the display indicating the absence of the film.

As is clear from the above, in the present embodiment, the number of standard photographing frames is accumulated in the first counter 51 and the number of panoramic photographing frames is accumulated in the second counter 52, respectively, and the accumulated value is the first frame. Since the numbers are displayed by the number display unit 41 and the second number-of-frames display unit 42, respectively, the number of frames for standard photography and panoramic photography can be easily confirmed. In this embodiment, C
The first counter 51 and the second counter 5 of the PU 50
2 is the counting means, the display 40 is the display means, and the CPU 50
Constitutes the count selection means.

-Fourth Embodiment- A fourth embodiment of the present invention will be described with reference to FIGS.
The same parts as those of the first to third embodiments are designated by the same reference numerals and the description thereof will be omitted. As shown in FIG. 11, in the present embodiment, a frame number display section 61 for displaying the number of photographed frames is displayed on a display unit 60 for digitally displaying the number of photographed frames by a display element such as a liquid crystal.
The third embodiment differs from the third embodiment in that one index portion 62 for identifying the screen size corresponding to the display of the frame number display portion 61 is provided. The number-of-frames display unit 61 selectively displays the total number of photographed frames, the number of standard photographed frames, and the number of panoramic photographed frames by a control system described later. Further, the index portion 62 is the number-of-pieces display portion 6
The display changes according to the display mode in 1. 12
Shows the display of the index portion 62 when the mode for displaying the number of frames for standard shooting is selected, and FIG. 13 shows the display of the index portion 62 when the mode for displaying the number of frames for panoramic shooting is selected. When the mode for displaying the total number of frames is selected, as shown in FIG. 11, the display corresponding to the standard shooting and the display corresponding to the panoramic shooting are simultaneously displayed.

FIG. 14 is a block diagram of the control system of the camera of this embodiment. CPU 70 for controlling the operation of the entire camera
Is a half-press switch SW as in the above-described embodiments.
1, a release switch SW2, a photographing control device 21, a film feeding device 22, a photographing screen switching member 23 are connected, and a first counter 71 capable of counting the number of photographing frames,
A second counter 72 and a third counter 73 are incorporated. Further, the CPU 70 has the above-described display device 60.
Is connected via the drive circuit 74 and the display 6
A display selection member 75 for selecting the display of the frame number display unit 61 and the index unit 62 of 0 from the mode for displaying the total number of frames to be photographed, the mode for displaying the number of standard frames to be photographed, and the mode for displaying the number of panoramic frames. Are connected. CPU70
Is a mode for identifying the display mode currently selected by the output signal of the display selection member 75 and displaying the integrated value of the first counter 72 and the panoramic shooting frame number when the mode for displaying the standard shooting frame number is selected. Is displayed, the integrated value of the second counter 73 is displayed, and the integrated value of the third counter is displayed on the frame number display section 61 of the display 60 when the mode for displaying the total number of frames is selected. The display of the index portion 62 is switched as described above according to the display mode. In addition,
The display selection member 75 is arranged near the display 60 of the camera body.

Further, the CPU 70 executes a winding operation for one frame of film after the film feeding device 22 has finished shooting in accordance with a main program for controlling the overall shooting operation, and then identifies from the shooting screen switching member 23. The count process shown in FIG. 15 is executed based on the signal. Figure 15
In the process shown in (1), first, in step S41, it is determined whether or not the standard shooting screen is selected as the current shooting screen based on the identification signal from the shooting screen switching member 23. If it is the standard photographing screen, the process proceeds to step S42, and 1 is added to the integrated value of the first counter 71 and the third counter 73. If it is not the standard shooting screen, go to step S43,
1 is added to the integrated value of the second counter 72 and the third counter 73. After these processes, the process returns to the main program that controls the overall shooting operation. When the film rewinding device 22 rewinds the film, the CPU 70 resets all the counters 71 to 73 and changes the display of the frame number display portion 61 to the display indicating that the film is absent.

As is apparent from the above, in the present embodiment, the number of standard photographing frames is added to the first counter 71 and the number of panoramic photographing frames is added to the second counter 72. The third counter 73 is integrated, and the integrated values of these counters 71 to 73 are selectively displayed on the display 70, so that the number of frames for each standard shooting and panoramic shooting and the total number of shooting frames can be easily confirmed. it can. Since it is selectively displayed on the single frame number display unit 61, the space of the display unit 60 can be saved as compared with the case where a dedicated frame number display unit is provided for each photographing mode. In this embodiment, the first CPU 70
The counter 71, the second counter 72, and the third counter 73 constitute counting means and storage means, the display 60 constitutes display means, and the CPU 70 constitutes count selecting means.

The present invention is not limited to the above-mentioned embodiments, but various modifications can be made. For example, a mechanism is provided for changing the rotation of the spool when winding one frame of film to one frame of the drums 5 and 6 of the film counters 3 and 4 shown in FIGS. A switching mechanism for transmitting the rotation may be provided to either one of the drums 5 and 6.

Further, in each of the above embodiments, the number of photographed frames is counted separately for the standard photographing and the panoramic photographing, but in addition to this, the number of photographed frames may be separately counted depending on the presence or absence of exposure correction and multiple exposure. It is also possible to provide a means for detecting shooting failure due to camera shake, non-emission of flash device, insufficient light amount, etc., and to count the number of shooting frames separately for shooting failure and normal shooting. If the camera has a clock function such as a shooting date imprinting mechanism, the number of shooting frames may be counted and displayed for each shooting date. FIG. 16 shows an example of this, and one counting means (for example, CP
The total number of frames to be photographed is counted by a built-in counter (U) and displayed on the upper portion 80a of the display 80, and the number of frames is counted for each photographing date by another counting means and displayed on the lower portion 80b of the display 80 together with the photographing date. I am letting you. In this case, the count value of the other counting means can be stored together with the shooting date in the memory of the CPU when the shooting date changes, and then the counting means can be reset to newly start counting the number of shooting frames. It is also possible to read the number of shooting frames of the past shooting date from the memory and display them on the display 80 by operating a button or the like.

In all of the above embodiments, which of the plurality of counting means is to be operated is automatically instructed by the CPU of the camera according to the photographing screen or the like. However, the photographer switches the selection switch provided on the camera body. Any of the plurality of film counters may be selectively activated by operation. In this case, for example, different film counters are operated for each person who is the subject to check who is in what number, and different film counters are operated for landscape photographs and portrait photographs to identify the number of both. It is possible to properly use a plurality of counting means according to the purpose of the photographer.

[0031]

As described above, according to the present invention, by selectively operating at least one of the plurality of counting means by the count selecting means, the number of image frames can be counted separately for each type of shooting. It is possible to easily check the number of frames for each type of shooting. In particular, when one of the plurality of counting means is always operated in response to the end of shooting for one frame and the remaining counting means is selectively operated for each type of shooting, You can easily check both the number of frames for each type of shooting.

[Brief description of drawings]

FIG. 1 is a perspective view of a camera according to a first embodiment of the present invention as seen from above a rear surface thereof.

FIG. 2 is a film counter 3, 4 of the camera of the first embodiment.
Enlarged view of.

FIG. 3 is a block diagram of a control system of the camera of the first embodiment.

FIG. 4 is a flowchart showing a counter display changing process of the camera of the first embodiment.

FIG. 5 is an enlarged view of film counters 3, 4, 15 of a camera according to a second embodiment of the present invention.

FIG. 6 is a block diagram of a control system of the camera of the second embodiment.

FIG. 7 is a flowchart showing a counter display changing process of the camera of the second embodiment.

FIG. 8 is a view showing a display of the number of frames taken by the camera of the third embodiment of the present invention.

FIG. 9 is a block diagram of a control system of the camera of the third embodiment.

FIG. 10 is a flowchart showing a counter display changing process of the camera of the third embodiment.

FIG. 11 is a diagram showing a display of the number of frames taken by the camera of the fourth embodiment of the present invention.

FIG. 12 is a diagram showing a state in which the number of frames for standard photography is displayed on the display device of the fourth embodiment.

FIG. 13 is a diagram showing a state in which the number of frames for panoramic photography is displayed on the display device of the fourth embodiment.

FIG. 14 is a block diagram of a control system of the camera of the fourth embodiment.

FIG. 15 is a flowchart showing a process regarding selection of a counter of the camera of the fourth embodiment.

FIG. 16 is a diagram showing a modified example in which the total number of photographed frames and the number of photographed frames for each photographing day are counted.

[Explanation of symbols]

1 camera body 3 film counter for counting and displaying standard shooting frames 4 film counter for counting and displaying panoramic shooting frames 5, 6, 16 drum of film counter 15 film counter 20 for counting and displaying total shooting frames 20, 30, 50, 70 CPU 23 Shooting screen switching member 40, 60, 80 Display 51, 71 First counter 52, 72 for counting the number of standard shooting frames Second counter 73 for counting the number of panoramic shooting frames 73 Total shooting frames Third counter for counting numbers

Claims (5)

[Claims] 1. A plurality of counting means capable of counting the number of photographed frames, and a count selecting means for selectively activating at least one of the plurality of counting means in response to the end of photographing for one frame. A camera characterized by. 2. The camera according to claim 1, further comprising display means capable of displaying count values of the plurality of counting means. 3. The camera according to claim 1, further comprising a storage unit that stores the count value of the counting unit. 4. The counting selection means operates different counting means for each type of photographing.
The camera according to any one of 3 above. 5. The counting selection means always activates one of the plurality of counting means in response to the end of shooting for one frame, and selectively activates the remaining counting means for each shooting type. The camera according to claim 1, wherein: