JPH09200588A - Video camera with still camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To visually judge the operation of start and stop of the recording of moving images and the start of the recording of still images while confirming images on a monitor and to easily confirm the photographing operation of the still images without interfering with the photographing of the moving images even when the still images are photographed while photographing the moving images. SOLUTION: When power is supplied, a system control circuit 101 drives a video camera part 102 and obtains moving image information signals. Chrominance signals to be outputted to the monitor 107 are inputted through a display output control circuit 106, however, when the circuit 101 recognizes a non-recording state, the circuit 106 interrupts the chrominance signals, only luminance signals are inputted to the monitor 107 and a black-and-white screen is displayed. At the time of a recording state, the chrominance signals interrupted by the circuit 106 are supplied to the monitor 107 and the monitor 107 is switched to a color display screen. When the still image is photographed, moving image information corresponding to it is stored in a memory 114 and the stored memory image is displayed on the monitor 107 for a prescribed time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device in which a still camera and a movie video camera are integrally configured.

[0002]

2. Description of the Related Art Conventionally, a video camera for shooting a moving image and a still camera for shooting a still image can be used properly according to their purposes, but it is very troublesome and troublesome to carry both of them. A video camera with a still camera in which a video camera and a still camera are integrated has been conventionally proposed. However, the video camera with a still camera has a complicated operation because it integrates a device that handles moving images and still images separately, and because of the difference in the angle of view, it also uses an independent optical system. It did not facilitate the intended shooting. In order to solve this problem, the video camera with a still camera described in Japanese Patent Laid-Open No. 63-261336 is devised so that a moving image capturing trigger switch and a still image capturing release switch are individually arranged on different surfaces of the device. In addition, Japanese Patent Laid-Open No. 63-261
The video camera with a still camera described in No. 337 discloses a video camera trigger switch and a still image release switch that are configured by a single button and the operation switch is simplified.

[0003]

However, according to the video camera with a still camera described above, the operation procedure is simplified, but the photographer accurately grasps the current operating state of the apparatus while looking through the viewfinder. Not something you can do,
It was necessary to take a look at the operation from the finder to check the operation, and the blurring and malfunctions at that time were major problems. Therefore, the present invention has a function of visually deciding the start and stop operations of moving image recording and the start of still image recording while observing the image on the monitor, and further during the shooting operation of the video camera unit. It is an object of the present invention to provide a video camera with a still camera that does not hinder the shooting of the video camera unit even when shooting is performed by the still camera unit and that allows the shooting operation of the still camera unit to be easily confirmed.

[0004]

In order to solve the above problems, according to the invention of claim 1 in the present application, a still camera unit for recording moving image information on a first recording medium and a still image information are recorded. A video camera with a still camera, in which a still camera unit for recording on a second recording medium is integrally configured,
When the operation of the video camera unit is in the recording standby state, it is displayed in the first color on the monitor screen of the video camera, and when the operation of the video camera unit is in the recording state, the video is displayed. The still image is displayed in a second color on the monitor screen of the camera, and when the still image is recorded by the still camera unit, the still image is displayed in color for a certain period of time on the monitor screen. Configure.

According to the invention of claim 2 in the present application, the video camera with a still camera displays the monitor on a monochrome screen when the operation of the video camera is in a recording standby state, Further, the electronic viewfinder is configured to be displayed on a color screen when recording is in progress.

[0006]

DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 3 is a left side view showing the structure of a still camera-equipped video camera embodying the present invention, and FIG. 2 is a top view thereof.

In FIG. 3, reference numeral 1 is a housing of the camera body, and 2
Shows a lens unit forming an imaging optical system common to the video camera section and the still camera section.

The lens unit 2 is provided with a plurality of lens elements and an iris diaphragm 4 for photographing still images for adjusting the amount of incident light, and a silver salt film 5 is mounted behind it. Reference numeral 3 is a lens barrel for holding the lens unit 2. Immediately before the silver salt film 5, a shutter mechanism 6 for controlling the exposure to the silver salt film is arranged, and the shutter curtain 6a in the shutter frame 6b is instructed to be openable and closable to expose the silver salt film.

Reference numeral 7a is an optical axis that is incident from the subject side, 7b is an optical axis that passes through the semitransparent film mirror 7 and reaches the silver salt film side, and 7c is reflected by the semitransparent film mirror 7. The optical axis 7d is an optical axis reflected by the reflection mirror 9.

Further, the lens unit 2 and the shutter mechanism 6
A semi-transparent film mirror (pellicle mirror) 7 that transmits the light flux that has passed through the lens unit 2 to the rear silver salt film, and reflects the light flux to the video camera section at the upper part of the main body between It is provided, and it is possible to shoot with a silver salt camera and a video camera by a common shooting optical system.

Further, behind the semitransparent film mirror 7, a sub-mirror 14 which is retractable at the time of photographing is arranged to guide a part of incident light to an automatic focus detection device 15. The lens elements in the lens barrel constitute a variable power lens group that performs a variable power operation, a focusing lens group that performs focus adjustment, and a lens group of an image forming system. Alternatively, it is configured to be driven manually. Reference numeral 16 is a light shielding plate, and 17 is a back lid for taking out the film.

Further, the light flux reflected by the semitransparent film mirror 7 to the video camera unit is subjected to pupil alignment of a subject image by the field lenses 8a and 8b, and the incident optical axis is reflected again by the mirror 9. 8c is an aerial image formed at a position transparent to the silver salt film 5.

The reflected light flux is reduced by the reduction lens unit 10
After the size of the silver salt film is reduced to the screen size of the image pickup device used in the video camera unit, the image is picked up by the video camera unit by being incident on the image pickup device 13 such as CCD.

The reduction lens unit 10 is provided with a diaphragm unit 11 for capturing video and moving images, and an optical low pass filter 12 is provided on the entire surface of the solid-state image pickup device.

Further, reference numeral 18 is a monitor unit for monitoring a video signal obtained by the solid-state image pickup device 13, which is composed of a small liquid crystal 19, a reflecting mirror 20, an eyepiece lens 21 and the like, and is rotatable about a rotary shaft 20 as a spindle. Has become.

Reference numeral 23 is a removable battery,
Used together with an adapter (not shown). This battery makes it possible to carry. Reference numeral 24 is a flash device which is an auxiliary means for capturing a still image in a dark place, 25 is a microphone for collecting audio information in capturing a moving image, and 26 is a device for outputting moving image information or an external power source. It is an external terminal to take in.

As can be understood from the above, both the silver halide camera section and the video camera section are configured to use the monitor unit 18 in common.

In the above structure, when shooting a moving image by the video camera unit, the iris diaphragm 4 for still image shooting is always kept open, and when a release switch for still image shooting described later is pressed. To a predetermined aperture diameter. Therefore, when shooting a movie, the reduction lens unit 1
The exposure is controlled only by the video aperture unit 11 in 0,
Control is performed so as to obtain proper exposure by changing the accumulation time of the image sensor, the gain of the signal processing system, and the like as necessary.

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. For example, a prewind method is adopted in which the spool is wound up to the last frame in advance when the film is loaded and the exposed frames are sequentially rewound during shooting.

Reference numerals 30 and 31 are a zoom drive motor for driving the variable power lens system of the lens unit 2 and a focus drive motor for driving the focusing lens system. Reference numeral 32 denotes a zoom button arranged at a position where the photographer can operate it with only one hand. Reference numeral 33 is a main mode selection switch for switching the camera mode and VTR, which also serves as a power switch, and 34 is a trigger button for shooting a video movie. Further, reference numeral 35 is a release button for taking a still image.

The mode selection dial 36 is, for example, a program exposure mode or a portrait mode with various open apertures,
It can be selected and used in common for movie shooting and still shooting such as sports mode and reverse mode with shutter speed priority.
The photometric operation corresponding to these various modes is performed, for example, by feeding back in accordance with the luminance signal level of the solid-state image sensor 13, and the solid-state image sensor 13 is electrically divided into areas and used as a photometric element. However, it is possible to dispose a dedicated photometric device separately.

Reference numeral 37 is a video cassette housing, and a magnetic tape having a width of 8 mm can also be used as a video recording medium. Further, the video cassette housing portion 37 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 magnetic tape, and an automatic loading operation are supported on the surface thereof. An eject button 39 and the like are arranged.

FIG. 1 is a block diagram showing a circuit configuration of the compound camera.

In FIG. 1, reference numeral 101 denotes a system control circuit as a control means for integrally controlling the operation of the compound camera and the execution of various functions. The system control circuit 101 is constituted by a microcomputer, and various types are stored based on programs stored in advance. Execute the process.

Reference numeral 102 is a video camera section, and 103 is a still camera section for optically recording on a film.

The video camera unit 102 includes an image pickup device, a drive circuit for the image pickup device, a video aperture, etc., and is output from the image pickup device in parallel with the operation of driving the image pickup device to pick up an image. The moving image is captured while controlling the incident light amount to an appropriate value by controlling the brightness level of the image pickup signal to a predetermined value and controlling the storage time of the image pickup device.

The still camera section 103 controls the diaphragm for still photography, the shutter mechanism, and the like to expose the film on the basis of the result of photometry by a photometric sensor (not shown) in response to a command from the system control circuit 101.

A lens control unit 100 includes a drive system for the focus lens and the zoom lens, and drives the focus lens and the zoom lens according to a command from the system control circuit 101.

The AF circuit detects the blur amount and supplies it to the system control circuit 101, and the photometric circuit supplies the photometric value measured by the photometric sensor to the system control circuit 101.

Reference numeral 104 denotes an image signal which is picked up by the video camera unit 102 and which is subjected to predetermined signal processing to generate a luminance signal Y and a color signal C, as well as γ correction and A
A signal processing circuit that performs various signal processing such as GC.
Reference numeral 05 is a video recording unit that performs predetermined signal processing on the video signal output from the signal processing circuit 104 and records it on a recording medium such as a magnetic tape (not shown).

Reference numeral 107 denotes a monitor as a display means for displaying the video signal output from the signal processing circuit 104. The monitor 107 is constantly supplied with the luminance signal Y, while the color signal C is supplied to the display output control circuit 106. Supplied through.

The display output control circuit 106 can switch black and white or color display by turning on / off the supply of the color signal to the electronic viewfinder 107 in accordance with a command from the system control circuit 101. A frame memory 114 stores one frame of the video signal output from the signal processing circuit 104 according to a command from the system control circuit 101.

Numerals 108 to 112 are switches which are turned on / off in response to the operation of various operation buttons and operation switches and which supply signals corresponding to the operation to the system control circuit 101, and 108 in the still camera section. A switch that is closed by the first stroke of the two-step pressing type release button, and 109 is a switch that is closed by the second stroke.

Reference numeral 110 is a video trigger switch for turning on / off the recording operation of the video camera unit.
Reference numeral 11 is a power switch for turning on / off the power supply of the entire apparatus.

The compound camera according to the embodiment of the present invention is configured as described above, and its operation will be described below with reference to the flowchart of FIG.

When the photographer turns on the power of the main mode selection switch 33 which also serves as a power switch to execute photographing, an ON signal is input to the system control circuit 101 by the power switch 111, and the system control circuit 101 is supplied to each part of the camera. Power is supplied (s1).

The system control circuit 101 drives the video camera unit 102 corresponding to the moving image recording apparatus of the present invention to take in moving image information via each lens,
After capturing an image with the image sensor, the luminance signal Y and the color signal C are generated via the signal processing circuit 104.

The color signal C output from the signal processing circuit 104 to the monitor 107 is input via the display output control circuit 106. At this time, the system control circuit 10
Since the recording switch 110 recognizes that No. 1 is in the non-recording state, the display output control circuit 106 causes the color signal C
Is issued to cut off the color signal C. As a result, only the luminance signal Y is input to the electronic viewfinder 107, and a monochrome screen is displayed. As a result, it becomes possible for the photographer to visually confirm that the image is not recorded (s2).

When the trigger button 31 is pressed, a recording ON signal is generated by the recording switch 110 (s3).

System control circuit 1 receiving the signal
01 drives the video recording unit 105 to record moving image information on a recording medium such as an 8 mm wide magnetic tape (s
4).

Further, the system control circuit 101
Sends a signal for supplying the color signal C blocked by the display output control circuit 106 to the monitor 107. As a result, the color signal C is input to the monitor 107, the monochrome display screen is switched to the color display screen, and the photographer can easily visually determine that the device is in the recording state (s5).

When a still image is optically captured by the still camera unit 103 corresponding to the still image recording apparatus of the present invention,
As the first stroke, first, the two-step pressing release button 32 is pressed. Then, a signal is generated by the switch 108, and the system control circuit 101 receives the signal, and then the photometry information and distance measurement information for taking a still image, and the ISO sensitivity of the loaded film, if necessary. Instructs the lens control unit 100 to start a charging operation for strobe light emission.

Further, when the release button 32 is pressed as the second stroke (above s6 operation), a signal is generated by the switch 109. The system control circuit 101 receives this signal and adjusts the focus, which is a series of exposure operations.
After instructing the lens unit 100 to narrow down the aperture, open and close the shutter, and if necessary, fire the flash,
Further, the operation for winding the film one frame is instructed again (s6a).

In parallel, the system control circuit 101
In response to the instruction, the moving image information from the moving image information of the video camera unit 102 is captured and stored in the memory 114 at the same time as the shutter opening / closing timing (s7).

The system control circuit 101 further reads the memory image stored as described above from the memory 114, sends it to the monitor 107, and controls it to display the memory image for a predetermined time.

When a moving image is not captured by the video camera unit 102 and the display output of the monitor 107 is a black and white screen, the display output control means 106 is shut off by a signal command from the system control circuit 101. The color signal C is supplied to the monitor 107 only during a predetermined time of still image output, and a color memory image is displayed (s8).

Therefore, the photographer can take a still image by the still camera unit 103 even while taking a moving image on the monitor 10.
The display of the still image in 7 makes it possible to immediately confirm that the still image has been captured.

When the predetermined time has elapsed, the still image display is stopped and the monitor returns to the display of the state before the still image shooting (s9).

When the trigger button 31 is pressed again during recording, the recording switch 110 inputs an OFF signal to the system control circuit 101. In response to this, the system control circuit 101 causes the video recording unit 105 to
To stop driving. Further, by causing the display output control circuit 106 to cut off the color signal C, only the luminance signal Y is again input to the monitor 107, and a monochrome screen display is output (s10).

When the power switch is turned off, all the operations are stopped (s11).

In the above embodiment, the invention of claim 2 is shown in which the black and white screen is displayed in the recording standby state of the video camera unit and the color screen is displayed in the recording state. In the invention in which the first color is displayed in the recording standby state and the second color is displayed in the recording state, the same effect as that of the embodiment can be obtained.

[0053]

As can be understood from the above description, according to the invention as set forth in claim 1 of the present application, the photographer looks at a monitor such as a monitor, that is, visually confirms the still image. The operation status of the video camera with a camera can be grasped, and accurate shooting can be easily performed.

According to the second aspect of the present invention, the operation of the video camera section and the operation of the still camera section can be easily performed by color, and the operability is improved while displaying an image and the stable shooting operation is performed. It can be performed.

According to the invention of claim 3 of the present application,
When a still image is taken by the still camera while the moving image is being taken by the video camera, the taken still image is displayed on the monitor for a predetermined time, so that the still image taken while the moving image is taken can be confirmed.

According to the invention of claim 4 of the present application, the moving image information of the video camera unit corresponding to the still image information taken by the still camera unit is stored by the memory for storing at least one screen. .

According to the invention of claim 5 of the present application, when a still image is taken by the still camera unit, the display of the moving image information being recorded by the video camera unit is interrupted and the memory is displayed. The moving image information stored by is called, the called moving image information is displayed for a predetermined time, and then the moving image information being recorded is displayed again.

[Brief description of drawings]

FIG. 1 is a configuration block diagram of a video camera with a still camera according to the present invention.

FIG. 2 is a top view of a video camera with a still camera according to the present invention.

FIG. 3 is a left side view of a video camera with a still camera according to the present invention.

FIG. 4 is a flowchart diagram in the embodiment of the present invention.

[Explanation of symbols]

1 Housing of compound camera 2 Lens unit of imaging optical system common to video camera section and still camera section 4 Iris diaphragm 5 Silver salt film 7 Semi-transparent film mirror 10 Reduction lens unit 13 Image sensor 19 Small liquid crystal 21 Eyepiece 33 Camera Main mode selection switch and power switch for mode and VTR switching 34 Trigger button for video movie shooting 35 Release button for still image shooting

Claims (5)

[Claims] 1. A video camera with a still camera in which a video camera section for recording moving image information on a first recording medium and a still camera section for recording still image information on a second recording medium are integrally configured, Means for displaying in a first color on the monitor screen of the video camera when the operation of the video camera unit is in a recording standby state; and on the monitor screen of the video camera when the operation of the video camera unit is in the recording state. And a means for displaying the still image in color on the monitor screen for a predetermined time when the still camera unit records the still image in the second recording medium. Characteristic video camera with still camera. 2. A means for displaying the monitor on a black and white screen while the operation of the video camera unit is in a recording standby state, and a color screen for displaying the monitor when the operation of the video camera unit is in the recording state. A video camera with a still camera, characterized in that it has means for displaying. 3. A video camera with a still camera in which a video camera section for recording moving image information on a first recording medium and a still camera section for recording still image information on a second recording medium are integrally configured, When the operation of the video camera unit is in a recording state, the still camera information is recorded on the second recording medium by the still camera unit without disturbing the recording state, and the video corresponding to the still image information is recorded. Storage means for storing image information of the camera section, and reading out still image information stored by the storage means,
A video camera with a still camera, comprising: means for displaying on a monitor for a predetermined time. 4. The video with a still camera according to claim 3, further comprising a memory for storing at least one screen of moving image information of the video camera unit according to a still image shooting operation by the still camera unit. camera. 5. The display device according to claim 4, further comprising: first display means for displaying a shooting state of a moving image by the video camera unit on a monitor; and second image information read out from the memory and displayed on the monitor. And a control means for switching from the first display means to the second display means for a predetermined time in accordance with the still image photographing operation by the still camera section.