JPH08125920A - Composite camera - Google Patents

Abstract

PURPOSE: To simultaneously perform photographing by a simultaneous photographing mode and recording without being interferred by alarming sound. CONSTITUTION: A camera microcomputer (a) inputs the setting information of a still photographing mode, a video photographing mode or the simultaneous photographing mode set by a mode microcomputer (c) and controls photographing and recording operations corresponding to the set mode. Then, a buzzer control circuit (r) performs alarming by an alarming buzzer at the time of the still photographing mode and does not perform the alarming by the alarming buzzer at the time of the video photographing mode and the simultaneous photographing mode based on control signals from the camera microcomputer (a).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compound camera having a still camera means for taking a still image on a silver salt film and a movie video camera means for taking a moving picture and recording a sound.

[0002]

2. Description of the Related Art A conventional compound camera has a structure in which a mechanism of a conventional still camera and a mechanism of a movie video camera are combined with each other, and a photographing mechanism provided in a conventional still camera and a user are focused. It was also equipped with a warning sound generation mechanism to notify the self-timer.

Incidentally, Japanese Patent Laid-Open No. 63-131783 discloses a method of reducing the volume of a composite camera when the film is wound so as not to record an unpleasant sound wound on the video side.

[0004]

However, in the above-mentioned conventional compound camera, no countermeasure has been proposed for the warning sound used especially in still shooting, and at the same time, in the shooting mode as well as in the still shooting mode. Since the buzzer sounds as a warning sound for focusing, self-timer and camera shake during autofocus, the sound is recorded in the video. For the video shooting side in the simultaneous shooting mode,
Since the warning sound in the still shooting mode has almost no meaning, if left as it is, there is a problem that useless sound will be recorded in the video.

The present invention has been made to solve the above-mentioned problems of the prior art, and the movie video camera mechanism records an unpleasant sound from the still camera mechanism side by controlling the warning sound generating mechanism. The object of the present invention is to provide a compound camera that prevents this.

[0006]

Therefore, the compound camera according to the present invention comprises a still camera means for taking a still image on a silver halide film, a movie video camera means for taking a moving picture and recording a sound. A still image pickup mode for emitting a warning sound and a control section for controlling each of the above means are provided, and a still image pickup mode for photographing with the still camera means, a video photographing mode for photographing / recording with the movie video camera means, and the still mode. A composite camera having a simultaneous shooting mode for shooting / recording by a camera means and a movie video camera means, wherein the control means does not adversely affect recording by the movie video camera means in the simultaneous shooting mode. An object of the present invention is to achieve the above object by a configuration characterized by controlling the warning sound means as described above. Than it is.

Further, the control means controls the warning sound means so as not to generate the warning sound in the simultaneous photographing mode, thereby achieving the above object. Is.

[0008]

With the above structure, a still camera using a silver halide photographic film and a movie camera combine the functions of a still camera, and a warning sound can be emitted in the still shooting mode. In the simultaneous shooting mode of shooting and video shooting, do not sound the warning sound.
Or, the sound is controlled to be smaller than the buzzer sound in the still shooting mode.
It is possible to prevent unwanted or unpleasant effects on video shooting.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the compound camera of the present invention will be described below with reference to the drawings.

(First Embodiment) A first embodiment of the compound camera of the present invention will be described with reference to the drawings.

FIG. 1 is a left side view for explaining the function of the compound camera according to the embodiment of the present invention. In the figure, reference numeral 1 denotes an exterior cover which constitutes the present apparatus, and is composed of a plurality of parts such as a portion to be tightened with screws or the like. Reference numeral 2 is a lens unit for capturing an image on a silver salt film, 3 is a lens unit, and a lens barrel for holding a lens element, 4 is an iris diaphragm for silver salt still photography, and 5 is a silver salt film. .

In the present embodiment, the lens unit 3 is a zoom lens, and a variable magnification lens element group that can move on the optical axis in conjunction with an automatic or manual zoom operation,
And a focusing lens element group driven by information from an automatic focus adjusting device described later.

A shutter device 6 is arranged immediately in front of the silver salt film, and is composed of a shutter curtain 6a and a shutter frame 6b. Reference numeral 7 is a semitransparent thin film mirror for allocating an image from the subject to the silver salt film side and the video shooting element side respectively, 7a is an optical axis that enters from the subject side, and 7b is a silver transmitted through the semitransparent thin film mirror 7. Optical axes 7c and 7d reaching the salt film side are optical axes reflected by the semitransparent thin film mirror 7.

Reference numerals 8a and 8b are field lenses provided on the optical axis 7c for adjusting the pupil of the subject image, and 9 is a photographing optical axis 7.
A reflecting mirror 10 for deflecting c is a reduction lens unit provided on the optical axis 7d, and has a video aperture unit 11 for shooting a video moving image inside. Reference numeral 12 is an optical low-pass filter, and 13 is a solid-state image sensor.

Reference numeral 5a is an aerial image formed at a position equivalent to that of the silver salt film 5, and is re-imaged on the solid-state image pickup device 13 via the reduction lens unit 10. A sub-mirror 14 is behind the semi-transparent thin film mirror 7 and can be retracted at the time of photographing, and guides a part of the photographing light to the automatic focus detection device 15.

The automatic focus detection apparatus according to the present embodiment uses a conventionally known phase difference shift detection method to compare a plurality of images produced by light fluxes passing through a plurality of different areas of a photographing lens and compare the data on the film surface 5. The direction of the focus amount is detected.

Reference numeral 16 denotes a light-shielding plate for preventing light leakage due to the use of the semi-transparent thin film mirror 7, which can be retracted at the time of photographing. Reference numeral 17 denotes a back lid unit which is provided so as to be openable and closable when the silver salt film 5 is loaded. In this embodiment, a 135 type silver salt film is used, but the invention is not limited to this, and a drop-in type film or a disc type film can be used.

Reference numeral 18 denotes an electronic viewfinder unit, which outputs an image to a small liquid crystal 19 for monitoring the image signal from the solid-state image pickup device 13 and a reflection mirror 20.
And observe through the eyepiece lens 21. The viewfinder unit 18 is rotatable about a rotary shaft 22 as a spindle.

In the configuration shown in FIG. 1, the iris diaphragm 4 for silver salt still photography is always kept open during video recording of a video, and a predetermined switch is pressed when a release switch for silver salt still photography described later is pressed. The diameter is narrowed down. Therefore, at the time of shooting a moving image, the exposure is controlled only by the video aperture unit 11 in the reduction lens unit 10, and if necessary, the accumulation time of the image sensor and the gain of the signal processing system are changed to obtain an appropriate exposure.

Reference numeral 23 denotes a secondary battery which is detachably attached to the lower part of the device, and is a common single power source for supplying all the power used by the device. An openable and closable barrier 25 incorporating a strobe 24 is arranged in front of the lens unit 3. Reference numeral 26 is a microphone for recording audio during video shooting, and 27 is an external terminal for interfacing with an external device such as a television or a stereo device.

FIG. 2 is a top view of this embodiment, 28 is a cartridge chamber for the silver salt film 5, and 29 is a spool for winding the film. In this embodiment, a prewind system is adopted in which the last frame is wound up on the spool in advance when the film is loaded and the exposed frames are sequentially rewound during shooting.

Reference numerals 30 and 31 are a zoom driving motor and a focus driving motor of the taking lens. Reference numeral 32 is a zoom button arranged at a position that can be operated by the photographer's right hand, 33 is a main mode selection switch that also serves as a power switch, 34 is a trigger button for video recording, and 35 is a two-step switch. It corresponds to switch 1 (shooting preparation) and switch 2 (release), which are well known in silver salt shooting, and can be used for shooting silver salt alone, and for shooting moving images and silver salt stills at the same time. It is a switch.

On the side opposite to the above-mentioned photographing member, it is possible to select and use a program exposure mode, a portrait mode using a large number of open apertures, a sports mode giving priority to a shutter speed, a backlight mode, and the like in both moving image shooting and still shooting. A mode selection dial 36 is provided.

The photometry is feedback-controlled with respect to the various modes according to the luminance signal level of the solid-state image pickup device 13. In this embodiment, the image pickup device 13 for video is electrically divided into areas and also serves as a photometric element, but a dedicated photometric element may be arranged separately.

Reference numeral 37 denotes a video tape cassette housing portion arranged on the right side of the lens unit 2. In this embodiment, a video tape having a tape width of 8 mm is used as a video recording medium. The cassette housing portion has a recording mechanism including a magnetic head cylinder, a capstan, a pinch roller, etc., and a control panel 38 for controlling recording / reproduction of a video tape on its upper surface and an automatic loading operation instruction. The eject button 39 and the like are arranged.
A buzzer device 40 is arranged on the lower surface side to notify a focusing sound or the like when photographing a silver salt.

FIG. 3 is a block diagram showing the configuration of the system control of this embodiment.

Reference numeral a denotes a camera microcomputer, which controls still photography such as lens zoom control, autofocus control, automatic winding, and exposure control. Reference numeral b denotes a servo microcomputer, which controls o (recorder mechanical deck) to perform reproduction and recording. c is a mode microcomputer, k
Switch 1 and switch 2 from (switch sense circuit)
Receives various switch information including, determines the mode, etc.,
a (camera microcomputer), b (servo microcomputer), and 1
It sequentially communicates with the (liquid crystal display circuit) to display and control each microcomputer.

Reference numeral d denotes a lens control circuit, which controls a distance ring of a taking lens (not shown) according to a control signal from a (camera microcomputer). Reference numeral e denotes a zoom control circuit, which controls a zoom ring (not shown) according to a control signal from a (camera microcomputer). Reference numeral f is a film feeding circuit, which winds one frame or controls feeding such as prewind in accordance with a control signal from a (camera microcomputer).

Reference numeral g denotes a focus detection unit, which is composed of several line sensors corresponding to the screen and a drive circuit, and the drive circuit controls the accumulation of the sensor. a
The (camera microcomputer) receives the accumulated data (image signal of the subject) for each sensor, and detects which position the subject is focused by the imaging lens by calculation using the existing phase difference detection method. There is. Reference numeral h is a shutter control circuit, which controls a shutter unit (not shown) according to a control signal from a (camera microcomputer). i
Is a diaphragm control circuit, which performs diaphragm control of the main lens and diaphragm optical system diaphragm control based on the information of a (camera microcomputer).

Reference numeral j denotes a strobe light emission control circuit, that is, a circuit for controlling strobe light emission and dimming, a circuit for storing electric charge for light emission, a xenon tube as a light emitting portion, a trigger circuit, and a circuit for stopping light emission. , A film surface reflection light metering circuit, an existing circuit such as an integrating circuit. When the X contact that is turned on by the front curtain running of the shutter unit is turned on, the flash light of the strobe is started.

Reference numeral k denotes a switch sense circuit, which constantly detects a switch, and various switches including a trigger switch for shooting video and moving picture, a still shooting preparation switch 1, and a release switch 2 in response to a command from c (mode microcomputer). Communicate information. As a result, the c (mode microcomputer) determines that the video shooting mode is set if the video / video shooting trigger switch is on and the still shooting preparation switch 1 is off, and the video / video shooting trigger switch is off to prepare for still shooting preparation. If the switch 1 is on, it is determined to be the still image capturing mode. If the video moving image capturing trigger switch is on and the still image capturing preparation switch 1 is also on, it is determined to be the simultaneous image capturing mode.

Reference numeral 1 denotes a liquid crystal display circuit, which displays the remaining battery amount and the like in response to a command from c (mode microcomputer). Reference numeral m is an audio control circuit, which performs processing such as amplification of a voice signal from a microphone and outputs it to o (recorder mechanical deck). n is an electronic viewfinder,
o Receive the video signal from the recorder mechanical deck,
Monitor the video. Reference numeral o denotes a recorder mechanical deck, which controls reproduction, recording, search, etc. according to commands from b (servo microcomputer). Reference numeral p is a digital signal processing circuit, which performs digital signal processing on the image data from the CCD (q) and outputs it to o (recorder mechanical deck). q is CCD
And outputs image data. Reference numeral r is a buzzer control circuit, which sounds a buzzer in response to a command from c (mode microcomputer).

FIG. 4 is a flow chart showing a characteristic "focus sound setting" program of the first embodiment.

This program is the control of the focusing sound when the subject is in focus after the automatic focus detection, that is, when the subject is in focus. Refer to the flow chart to set the focusing sound. explain.

In the shooting mode check in step S1,
When the shooting mode is the video shooting mode, the process shifts to S2 (no focusing sound) and the focusing sound is prohibited. When the still shooting mode, the process shifts to S3 (focusing sound) and the focusing sound is permitted. I do. Also, in the still and video simultaneous shooting mode, S4
Move to (no focus sound) and prohibit focus sound.

In S5 (is there a focusing sound?), According to the contents set in the above steps S2, S3 and S4, if the focusing sound is permitted, the process proceeds to S6 (sounds the focusing sound) and sounds the buzzer. As a result, the photographer is informed that the subject is in focus, and if the focusing sound is prohibited, the camera returns without making the focusing sound.

With the above control, it is possible to prevent the focusing sound from being emitted in the simultaneous photographing mode. In the present embodiment, the focusing sound is not emitted completely during simultaneous shooting, but an embodiment in which the sound is controlled so as not to affect recording significantly can be configured.

As described above, in the first embodiment, the buzzer sound is not emitted at the time of simultaneous video shooting and still shooting, so that a photograph is taken without any unnecessary sound on the video side. And video shooting can be done.

(Embodiment 2) Since the main part of the mechanism of Embodiment 2 is the same as that of Embodiment 1 shown in FIGS. 1 and 2, duplicated description will be omitted.

Since the block diagram of the system configuration is the same as that of FIG. 3 of the first embodiment, it will be described below with reference to FIGS. 1 to 3.

Reference numeral a shown in FIG. 3 denotes a camera microcomputer, which controls still photography such as lens zoom control, autofocus control, automatic winding, and exposure control. Reference numeral b denotes a servo microcomputer, which controls o (recorder mechanical deck) to perform reproduction and recording. c is a mode microcomputer, receives various switch information including a self-timer on / off switch, a switch 1 and a switch 2 from k (switch sense circuit), determines a mode, etc., and a (camera microcomputer) and b (servo microcomputer), And l (liquid crystal display circuit) are sequentially communicated and displayed, and each microcomputer is controlled.

Reference numeral d denotes a lens control circuit, which controls a distance ring of a photographing lens (not shown) according to a control signal from a (camera microcomputer). Reference numeral e denotes a zoom control circuit, which controls a zoom ring (not shown) according to a control signal from a (camera microcomputer). Reference numeral f is a film feeding circuit, which winds one frame or controls feeding such as prewind in accordance with a control signal from a (camera microcomputer).

Reference numeral g denotes a focus detection unit, which is composed of several line sensors corresponding to the screen and a drive circuit, and the drive circuit controls the accumulation of the sensor. a
The (camera microcomputer) receives the accumulated data (image signal of the subject) for each sensor, and detects which position the subject is focused by the imaging lens by calculation using the existing phase difference detection method. There is. Reference numeral h is a shutter control circuit, which controls a shutter unit (not shown) according to a control signal from a (camera microcomputer). i
Is a diaphragm control circuit, which performs diaphragm control of the main lens and diaphragm optical system diaphragm control based on the information of a (camera microcomputer).

Reference numeral j denotes a strobe light emission control circuit, that is, a circuit for controlling strobe light emission and dimming, which is a circuit for storing electric charges for light emission, a xenon tube as a light emitting portion, a trigger circuit, and a circuit for stopping light emission. , A film surface reflection light metering circuit, an existing circuit such as an integrating circuit. When the X contact that is turned on by the front curtain running of the shutter unit is turned on, the flash light of the strobe is started.

Reference numeral k denotes a switch sense circuit, which constantly detects the switch, and various switches including a video moving image shooting trigger switch, a still image shooting preparation switch 1, and a release switch 2 in response to a command from c (mode microcomputer). Communicate information. As a result, the c (mode microcomputer) determines that the video shooting mode is set if the video / video shooting trigger switch is on and the still shooting preparation switch 1 is off, and the video / video shooting trigger switch is off to prepare for still shooting preparation. If the switch 1 is on, it is determined to be the still image capturing mode. If the video moving image capturing trigger switch is on and the still image capturing preparation switch 1 is also on, it is determined to be the simultaneous image capturing mode.

Reference numeral 1 denotes a liquid crystal display circuit, which displays a battery remaining amount and the like in response to a command from c (mode microcomputer). Reference numeral m is an audio control circuit, which performs processing such as amplification of a voice signal from a microphone and outputs it to o (recorder mechanical deck). n is an electronic viewfinder,
o Receive the video signal from the recorder mechanical deck,
Monitor the video. Reference numeral o denotes a recorder mechanical deck, which controls reproduction, recording, search, etc. according to commands from b (servo microcomputer). Reference numeral p is a digital signal processing circuit, which performs digital signal processing on the image data from the CCD (q) and outputs it to o (recorder mechanical deck). q is CCD
And outputs image data. Reference numeral r is a buzzer control circuit, which sounds a buzzer in response to a command from c (mode microcomputer).

FIG. 5 is a flow chart showing a "set self-timer sound" program of the second embodiment.

This program is executed when the release switch for silver salt still photography is pressed and the self-timer on / off switch is on, that is, when self-timer photography is performed. A method of setting the self-timer sound will be described with reference to the flowchart.

In the shooting mode check in step S11, when the shooting mode is the video shooting mode, the process proceeds to S12 (no self-timer sound) to prohibit the self-timer sound, and in the still shooting mode, S13 (self-timer sound). Move to (with sound) and allow the self-timer sound.
In the still and video simultaneous shooting mode, the process proceeds to S14 (no self-timer sound) and the self-timer sound is prohibited.

In S15 (self-timer sound permitted?), According to the contents set in steps S12, S13, and S14, if the self-timer sound is permitted, the process proceeds to S16 (sounds the self-timer sound) and the buzzer sounds. By ringing, the photographer is informed that the self-timer is operating and returns. If the self-timer sound is prohibited, the camera returns without doing anything.

With the above control, it is possible to prevent the self-timer sound from sounding in the simultaneous photographing mode. In this embodiment, the self-timer sound is not made to sound completely at the time of simultaneous shooting, but an embodiment in which the sound is controlled so that the sound is not so much affected can be configured.

As described above, in the second embodiment, the buzzer sound is not emitted at the time of simultaneous video shooting and still shooting, so that a photograph is taken without adding unnecessary sound to the video side shooting / recording. And video shooting can be done.

[0053]

As described above, according to the present invention, a still image is normally shot in the still shooting mode by the still camera means, and a moving image and a sound are normally recorded in the video shooting mode by the movie video camera means. Can be implemented. Furthermore, in the simultaneous shooting mode in which shooting and recording are performed by the still camera means and the movie video camera means, the warning sound from the warning sound means is automatically prevented from adversely affecting the recording by the movie video camera means, and the still sound is kept. Images and moving images can be captured and sound can be recorded normally.

[Brief description of drawings]

FIG. 1 is a side view showing a configuration of an exemplary embodiment of the present invention.

FIG. 2 is a top view showing a configuration of an example of the present invention.

FIG. 3 is a block diagram showing a system configuration of an embodiment of the present invention.

FIG. 4 is a flowchart of a focus sound setting program according to the first embodiment.

FIG. 5 is a flowchart of a self-timer sound setting program according to the second embodiment.

[Explanation of symbols]

 1 Camera body exterior 2 Lens unit 4 Silver salt iris diaphragm 5 Film 7 Semi-transparent thin film mirror 10 Reduction lens unit 11 Video diaphragm unit 13 CCD a Camera microcomputer b Servo microcomputer c Mode microcomputer d Lens control circuit e Zoom control circuit f Film Feeding circuit g Focus detection unit h Shutter control circuit i Aperture control circuit j Strobe control circuit k Switch sense circuit l Liquid crystal display circuit m Audio circuit n Electronic viewfinder o Recorder mechanical deck p Digital signal processing circuit q CCD r Buzzer control circuit

Claims (2)

[Claims] 1. A still camera means for photographing a still image on a silver halide film, a movie video camera means for photographing a moving picture and recording a sound, a warning sound means for generating an alarm sound, and controlling each of the means. And a video shooting mode for shooting / recording by the movie video camera means, and a simultaneous shooting mode for shooting / recording by the still camera means and movie video camera means. And a control means for controlling the warning sound means so that the warning sound does not adversely affect recording by the movie video camera means in the simultaneous shooting mode. camera. 2. The compound camera according to claim 1, wherein the control means controls the warning sound means so as not to generate the warning sound in the simultaneous photographing mode.