JP4169240B2 - Camera with repeat shooting function - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention provides a continuous shooting function for continuously shooting a plurality of frames in response to a release operation, a so-called continuous shooting function, and a so-called auto bracket function for shooting a plurality of frames while changing the exposure little by little in one release operation. In particular, the present invention relates to a camera with a repeated shooting function with improved display of an operation state.
[0002]
[Prior art]
Some cameras have a continuous shooting function for continuously shooting a plurality of frames according to a release operation, that is, a so-called continuous shooting function. In recent years, a so-called auto bracket function has been provided in which a plurality of frames are shot while changing the exposure little by little in a single release operation. In a camera having such a repetitive shooting function, conventionally, the display contents during continuous shooting or auto bracketing operations are mainly the number of remaining film frames taken, the shooting interval, and the exposure correction state. In the conventional camera having this type of automatic repeat shooting function, the shooting operation of the first frame is performed immediately after the release operation in response to the release operation, so that the user can grasp the shooting timing. However, for the second and subsequent frames, there is no one that informs the user of the individual shooting timings during automatic repeated shooting.
[0003]
For this reason, the user only hears the motor sound that feeds the film after shooting each frame and knows that shooting of the next frame starts at the moment when the motor sound stops.
On the other hand, in the conventional camera having the above-described auto bracket function, when an auto bracket operation mode that enables the auto bracket function is selected, the fact is displayed on the liquid crystal display device (LCD). Conventionally, in order to indicate the auto bracket mode, at least one of a character string “AEb” and a picture or symbol representing the auto bracket has been displayed.
[0004]
[Problems to be solved by the invention]
As described above, when using a camera having an automatic repeat shooting function, the user determines the start of shooting of the next frame based on the motor sound that feeds the film after shooting of each frame.
However, in the case of shooting in a noisy place or in a camera with low motor sound, it is difficult to understand the moment when the motor sound stops, and the user cannot accurately grasp the timing of the next shooting. Failures due to camera shake were likely to occur.
The present invention has been made in view of the circumstances described above, and the timing of the shutter release operation for the second and subsequent frames is used when an automatic repeat shooting function such as a continuous shooting function or an auto bracket function is used. It is a first object to provide a camera with a repetitive shooting function that allows a user to be alerted by notifying the user appropriately, notifying the timing of holding and holding the camera firmly, and enabling shooting without camera shake. .
[0005]
The object of the first aspect of the present invention is to achieve the first object, and in particular to the user, the timing immediately before the start of the shutter release operation from the second frame onward is appropriately determined by the visual display that is not affected by noise or the like. It is to provide a camera with a repetitive photographing function that can be recognized .
A second object of the present invention is to achieve the first object, and in particular, to provide a camera with a repetitive photographing function capable of identifying the timing from immediately before the start of the photographing operation of the frame.
[0006]
An object of claim 3 of the present invention is to provide a camera with a repetitive photographing function that can achieve the first object, and in particular, can identify the timing from immediately before the start of photographing operation of the frame to the completion of photographing. .
[0009]
[Means for Solving the Problems]
The invention described in claim 1
Equipped with a repetitive shooting function that includes at least one of a continuous shooting function that continuously shoots multiple frames according to the release operation and an auto bracket function that shoots multiple frames while changing the exposure little by little in a single release operation. In the camera
A film feeding circuit including a film feeding motor;
A visual display element provided near at least one of the finder and in the finder;
An operation display means for displaying and operating the visual display element corresponding to at least the timing immediately before the release operation from the second frame to the last shooting frame in the series of shooting frames by the repeated shooting function. ,
The operation display means substantially matches the display operation start timing of the visual display element with the brake start timing when the film feeding motor stops, and gives the user the release start timing for the second and subsequent frames. It is characterized by the recognition.
[0010]
It said actuating display means repeatedly shooting function camera according to the present invention described in 請 Motomeko 2, for actuating the shutter from the brake start when the display operation period of the visual display element is the film feeding motor stop This is characterized in that it substantially corresponds to the period until the start of energization of the shutter actuator.
[0011]
It said actuating display means repeatedly shooting function camera according to the present invention described in claim 3, from a brake start to operate the end of the shutter when the display operation period of the visual display element is the film feeding motor stop It is characterized by substantially corresponding to the period .
[0015]
[Operation]
That is, in order to achieve the first object described above, the camera with a repetitive photographing function according to claim 1 of the present invention continuously captures a plurality of frames according to a release operation and performs a single release operation. With a camera that has a repeated shooting function including at least one of the auto bracket functions to shoot multiple frames while changing the exposure little by little,
A film feeding circuit including a film feeding motor;
A visual display element provided near at least one of the finder and in the finder;
An operation display means for displaying and operating the visual display element corresponding to at least the timing immediately before the release operation from the second frame to the last shooting frame in the series of shooting frames by the repeated shooting function. ,
The operation display means substantially matches the display operation start timing of the visual display element with the brake start timing when the film feeding motor stops, and gives the user the release start timing for the second and subsequent frames. Recognize.
With such a configuration, when an automatic repeat shooting function such as a continuous shooting function or an auto bracket function is used, the timing immediately before the start of the shutter release operation after the second frame is appropriately notified to the user. Therefore, the shutter release operation for the second and subsequent frames is achieved by visual display that is not affected by noise, etc. It is possible to make the user appropriately recognize the timing.
[0017]
Repeat imaging function camera according to claim 2 of the present invention, the actuation indicator means, a shutter actuator for actuating the shutter from the brake start when the display operation period of the visual display element is the film feeding motor stop Substantially corresponds to the period until the start of energization.
With such a configuration, in particular, it is possible to identify the timing from immediately before the start of the shooting operation of the frame to the start.
Repeat imaging function camera of claim 3 of the present invention, the actuation indicator means, in the period from the brake start to operate the end of the shutter when the display operation period of the visual display element is the film feeding motor stop Substantially correspond.
With such a configuration, in particular, it is possible to identify the timing from immediately before the start of the shooting operation of the frame to the completion of shooting.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, based on an embodiment, a camera with a repetitive photographing function of the present invention will be described in detail with reference to the drawings.
1 to 3 show the configuration of the main part of a camera with a repeated photographing function according to an embodiment of the present invention. FIG. 1 is a block diagram schematically showing the main configuration of a camera with a repeated shooting function related to shooting, FIG. 2 is a timing chart showing the operation timing relationship of the camera with a repeated shooting function, and FIG. It is a schematic diagram which shows an example of the display state in a camera with a repeating imaging | photography function.
1 includes a CPU (central processing unit) 1, a liquid crystal display (LCD) 2, a shutter actuator 3, a strobe 4, a feeding circuit (including a motor) 5, a first light emitting diode (a light emitting diode). LED1 for charging completion, LED2 for second light emitting diode (for high brightness warning) LED2, mode switch MODESW, first-stage release switch RL1SW, second-stage release switch RL2SW, and battery BAT. FIG. 1 shows only the portions necessary for this embodiment.
[0023]
The CPU 1 controls sequence control for various operations of the camera and various display operations. The first light emitting diode LED1 lights up and displays the charging state of the strobe 4. Based on the photometric result, the second light emitting diode LED2 displays, for example, a warning indicating a high luminance state exceeding the upper limit of the shootable range and a low luminance state exceeding the lower limit. The second light emitting diode LED2 is also used for, for example, a strobe emission warning when the strobe 4 is caused to emit light in a low luminance state. Both the first and second light emitting diodes LED1 and LED2 are disposed in the vicinity of a camera finder (not shown). Further, both of these light emitting diodes LED1 and LED2 may be arranged in the finder of the camera. The liquid crystal display device 2 may include a 7-digit number display portion for a plurality of digits.
The first-stage release switch RL1SW and the second-stage release switch RL2SW are a switch operated by a first-stage operation and a second-stage operation of a release button (not shown) of a two-stage stroke operation, respectively. It is an operating switch. When the first-stage release switch RL1SW is turned on, the CPU 1 is turned on, performs photometry, distance measurement, and the like, and displays the results as necessary.
[0024]
When the second-stage release switch RL2SW is turned on, a shutter release operation is performed. The mode switch MODESW is a switch for selecting an operation mode for various functions of the camera.
The shutter actuator 3 opens and closes shutter blades (not shown) according to a signal given from the CPU 1. The strobe 4 is controlled to be charged and discharged by a signal from the CPU 1 and transmits a charging result to the CPU 1. The feeding circuit 5 includes a feeding motor and winds up the film in response to a signal from the CPU 1 after the shutter operation. The battery BAT is a power source that generates operating power to be supplied to all of the CPU 1 and each part of the camera.
On the 7-segment number display portion of the liquid crystal display device 2, the remaining number of films, the set shutter speed, and the like are normally displayed.
[0025]
FIG. 2 is a timing chart for explaining the state of operation display when, for example, three frames are repeatedly shot by continuous shooting or auto bracketing.
When both the first and second release switches RL1SW and RL2SW are turned on by the operation of the release button up to the second stage, the shutter operates to feed the film for the first frame. The motor is driven by 5 to rotate. In repeated shooting operations such as continuous shooting or auto bracketing, the CPU 1 controls the first and second light emitting diodes LED1 and LED2 to be turned on simultaneously in synchronization with a brake signal for stopping the motor for each frame shooting. The shutter operation timing of the second frame is notified. After shooting the second frame, the same operation is repeated for the shutter operation timings in the third and subsequent frames to perform necessary notification.
[0026]
The display 1 in the timing chart shown in FIG. 2 shows an example in which the light emitting diodes LED1 and LED2 are lit for the same period as the motor brake time. In addition, the display 2 shows an example in which the light emitting diodes LED1 and LED2 are turned on only during a period from when the motor brake is started until when the shutter actuator 3 is turned on. Further, the display 3 shows an example in which the light-emitting diodes LED1 and LED2 are lit for a period from the start of braking of the motor to the end of operation of the shutter.
Depending on the camera, the brake time of the motor is relatively short, and the display 1 may be too short to display because the display time is too short. In such a case, the shutter actuator 3 is turned on like the display 2. If the lighting time is extended until it becomes easier to see. Further, as shown in the display 3, if the light emitting diodes LED1 and LED2 are turned on until the shutter operation is completed, the timing for holding the camera until the shutter is closed can be determined even in the case of a long shutter or the like. So it is more convenient.
[0027]
As described above, the light emitting display elements such as the light emitting diodes LED1 and LED2 provided in the vicinity of the finder or in the finder are made to emit light for a short time at the moment when the film feeding motor of the feeding circuit 5 is stopped. Immediately after that, by notifying the user that the shutter should be opened and notifying the user of the timing to hold the camera firmly, it is possible to effectively reduce and prevent failures due to camera shake during shooting.
In addition, the display element in the vicinity of the finder or in the finder, which is generally provided in a normal camera, is also used for shooting timing display in continuous shooting and repeated shooting such as auto bracketing. Since the photographing timing display in the repeated photographing is realized without providing a display device or the like, the cost and the size of the camera will not be increased.
Further, when there are a plurality of light emitting display portions in the vicinity of the finder or in the finder, for example, by lighting two or more light emitting display portions that do not emit light simultaneously in normal operation, the shutter operation timing is surely notified to the user. At the same time, it is possible to clearly indicate that it is not a display based on the original function of the light emitting display elements that are both lit but a timing display of repeated shooting.
[0028]
Further, in FIG. 1, when the mode switch MODESW is pressed several times to select the auto bracket function, the CPU 1 uses two digits of the 7-segment number display portion of the liquid crystal display device 2 as shown in FIG. “Ab” is displayed with the first digit being uppercase “A” and the second digit being lowercase “b”, indicating that the auto bracket function is selected. Further, as shown in FIG. 4 using three digits of the 7-segment number display portion of the liquid crystal display device 2, the first digit is capital “A”, the second digit is capital “E”, The third digit is lowercase “b”, “AEb”, as shown in FIG. 5, the first digit is uppercase “A”, the second digit is lowercase “b”, and the third digit is lowercase As "c", "Abc", or as shown in FIG. 6, the first digit is uppercase "A", the second digit is lowercase "b", and the third digit is uppercase "C""AbC" may be displayed to indicate that the auto bracket function is selected.
As described above, “Ab”, “AEb”, “Abc” or “Ab” or “Abc” or a counter of the number of shots or the number of shots that can be taken, or a 7-segment numeric display unit that is already provided for displaying the shutter speed, etc. Since “AbC” or the like is displayed, it is not necessary to add a new pixel to the liquid crystal display device 2, and the auto bracket mode can be displayed without increasing the cost or increasing the size of the liquid crystal display device 2. Is possible.
[0029]
Even when the auto bracket mode display is performed, the user operates the first-stage release switch RL1SW by the first-stage operation of the release button, so that the shooting counter, ISO sensitivity, and shutter that are the original display are displayed. The second time can be confirmed. Furthermore, since the original display is performed for a few seconds after film feeding after shooting, the original display can be confirmed each time shooting is performed, and there is no problem due to the combined use of the display.
In this case, the timing for returning from the original display to the auto bracket display is several seconds after the film feeding, for example, typically 2 seconds. It is not inconvenient for a normal user to confirm the original display contents at this timing, but this time is appropriately set and stored in a non-volatile memory such as an EEPROM (electrically erasable programmable read only memory). By doing so, it becomes possible to adjust to a period optimal for the user, and usability can be further improved.
Furthermore, it goes without saying that the present invention can be implemented with various modifications within the scope of the gist thereof .
[0030]
【The invention's effect】
As described above, according to the present invention, when the first object described above is achieved and the automatic repeat shooting function such as the continuous shooting function or the auto bracket function is used, the second and subsequent frames are used. Providing a camera with a repetitive shooting function that allows the user to be alerted by notifying the user of the timing of the shutter release operation of the camera, notifying the timing of holding the camera firmly, and enabling shooting without camera shake Can do .
[0031]
That is, according to the camera with the repeated photographing function of claim 1 of the present invention,
Equipped with a repetitive shooting function that includes at least one of a continuous shooting function that continuously shoots multiple frames according to the release operation and an auto bracket function that shoots multiple frames while changing the exposure little by little in a single release operation. In the camera
A film feeding circuit including a film feeding motor;
A visual display device provided on at least one of the full Ainda vicinity and viewfinder,
And at least the second frame from the last operation display means at least immediately before pre SL visual display device in response to the timing of the release operation to the photographing frame Ru is Viewing operation in a series of photographic frames by the repeated photographing function And
It said actuating display means, substantially in correspondence with the brake start timing when the display operation start timing of the visual display element is the film feeding motor stops, the user of the release start timing of the second and subsequent frames the Rukoto is cognitive, when using automatic repeat photographing function such as a continuous shooting function or auto bracket function, by appropriately notifying the timing immediately before the start of the photographing operation of the frame to the user, Alerts the user and informs the timing of holding and holding the camera firmly, enabling shooting without camera shake, and the timing of shutter release operations from the second frame onward, especially by visual display that is not affected by noise, etc. It becomes possible to make a user recognize appropriately.
[0033]
According to repeated shooting function camera as claimed in claim 2 of the present invention, the actuation indicator means, for actuating the shutter from the brake start when the display operation period of the visual display element is the film feeding motor stop By substantially corresponding to the period until the start of energization of the shutter actuator, in particular, the timing from immediately before the start of the photographing operation of the frame to the start can be identified.
According to repeated shooting function camera as claimed in claim 3 of the present invention, the actuation indicator means, from the brake start to operate the end of the shutter when the display operation period of the visual display element is the film feeding motor stop By substantially corresponding to the period, in particular, it is possible to identify the timing from immediately before the start of the shooting operation of the frame to the completion of the shooting, and avoid a situation in which camera shake occurs inadvertently during the shutter operation. be able to.
[Brief description of the drawings]
FIG. 1 is a block diagram schematically showing a main configuration of a camera with a repeated photographing function according to an embodiment of the present invention.
FIG. 2 is a timing chart for explaining the operation of the camera with a repeated photographing function in FIG. 1;
3 is a schematic diagram showing a display example for explaining the operation of the camera with a repetitive photographing function in FIG. 1; FIG.
4 is a schematic diagram showing another display example for explaining the operation of the camera with a repeated photographing function in FIG. 1; FIG.
5 is a schematic diagram showing another display example for explaining the operation of the camera with a repeated photographing function in FIG. 1; FIG.
6 is a schematic diagram showing still another display example for explaining the operation of the camera with a repeated photographing function in FIG. 1; FIG.
[Explanation of symbols]
1 CPU (Central Processing Unit)
2 Liquid crystal display device (LCD)
3 Shutter actuator 4 Strobe 5 Feeding circuit (including motor)
LED1 First light emitting diode (for charging completion)
LED2 Second light emitting diode (for high-intensity warning)
MODESW Mode switch RL1SW Release switch (first stage)
RL2SW release switch (second stage)
BAT battery

Claims (3)

Equipped with a repetitive shooting function that includes at least one of a continuous shooting function that continuously shoots multiple frames according to the release operation and an auto bracket function that shoots multiple frames while changing the exposure little by little in a single release operation. In the camera
A film feeding circuit including a film feeding motor;
A visual display element provided near at least one of the finder and in the finder;
An operation display means for displaying and operating the visual display element corresponding to at least the timing immediately before the release operation from the second frame to the last shooting frame in the series of shooting frames by the repeated shooting function. ,
The operation display means substantially matches the display operation start timing of the visual display element with the brake start timing when the film feeding motor stops, and gives the user the release start timing for the second and subsequent frames. A camera with a repetitive shooting function, characterized by recognition.   The operation display means substantially corresponds to a display operation period of the visual display element from a brake start when the film feeding motor stops until a start of energization of a shutter actuator for operating the shutter. The camera with a repeated photographing function according to claim 1. It said actuating display means according to claim 1, characterized in that the display operation period of the visual display element is the film feed motor substantially to correspond to the period from the brake start to operate the end of the shutter when stopping Repeat photographing function with camera according to.

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