JP2000083209A - Video camera device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simultaneously reproduce the image pickup result of a video camera for recording and a video and audio from a video tape recording and reproducing device for back-up by allowing a control means to selectively drive first - fourth switches according to a designated mode for impressing video signals and sound signals to first and second display means and first and second sound reproducing means. SOLUTION: A signal processor 19 of a video camera 10 for recording controls first, second, and third switches SW1, SW2, and SW3 according to the arithmetic control processing. Thus, a video image picked-up by a camera part 16 can be displayed through a first terminal T1 of the first switch SW1 on a view finder 12, or displayed through a first terminal T1 of the second switch SW2 on a liquid crystal display panel 14. Also, the image picked-up video can be recorded through a first terminal T1 of the fourth switch SW4 by a magnetic tape recording and reproducing part 18. The signal processor 19 can control the operation of each constituting part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a video camera device. More specifically, the present invention combines a recording video camera with two displays and a backup videotape recorder / reproducer (VTR) to selectively display the two displays of the recording video camera. The present invention relates to a video camera device capable of displaying any of a currently captured image, an image recorded on a magnetic tape of a recording video camera, and an image recorded on a backup VTR.

[0002]

2. Description of the Related Art For example, in the operation of a commercial video camera, an image is taken by a commercial video camera and recorded directly on a magnetic tape recording / reproducing unit mounted in the commercial video camera. A backup video tape recording / reproducing device (V
TR), recording for backup is often performed simultaneously with the recording video camera. Such a recording method is generally used in a situation where recording is high and a failure in recording is not allowed, such as a video of a wedding hall.

FIG. 13 illustrates a first example of an apparatus configuration that enables such a recording mode. This video camera device capable of backup recording is a video camera 10A for recording.
And a backup video tape recording / reproducing device (VT
R) 20A are connected by one cable 90. To enable connection between the recording video camera 10A and the backup VTR 20A by the cable 90,
Video camera 10A for recording and VTR for backup
Each of the 20A is provided with a dedicated connector 40A, 40A illustrated in FIG.

FIG. 15 shows a pin arrangement of the dedicated connector 40 illustrated in FIG. Pin A is a pin to which a line supplying DC + 12 V is connected, and pin B is a pin to which a line connected to the ground potential is connected. Pins 1 to 8 are pins to which signal lines for transmitting video signals are connected. Pins 9 to 11 are pins to which signal lines for transmitting audio signals are connected. The twelfth pin is “VTR START / S
This is a pin to which a signal line for instructing start and stop of recording from the video camera 10 to the backup VTR 20A is connected. The thirteenth pin is named a “BATT, IND” pin, and is a pin to which a signal line for transmitting the remaining capacity of the battery of the backup VTR 20 to the video camera 10A side is connected. The fifteenth pin is named a “REC / TALLY” pin, and is a pin to which a signal line for transmitting a signal indicating whether or not the backup VTR 20 is currently recording to the video camera 10A is connected. The seventeenth pin is a pin for connecting a shield line. Pin 18 is “PB VIDEO
O "is a pin to which a signal line for transmitting a reproduced image of the backup VTR 20A to the recording video camera 10A side from a signal line connected to this pin and the nineteenth pin is connected. The 20th pin is “VTR SAV
E "is a pin to which a signal line in which a monitor audio signal from the backup VTR 20A is superimposed on a signal for putting the backup VTR 20A in a power saving state is connected. Pin 22 is color framing
This pin is connected to the pulse signal line.

[0005] Information is exchanged between the video camera 10A and the backup VTR 20A through three signal lines connected to the twelfth, thirteenth, and fifteenth pins. Recording from the video camera 10A to the backup VTR 20A is performed. Instruction and the confirmation of the recording, the video camera 10A
Is possible.

A video camera apparatus capable of recording backups having the apparatus configuration (system configuration) illustrated in FIG. 13 is further provided with a monitor TV 50 for confirmation capable of displaying and playing back audio, so that video and audio in the backup VTR 20A are provided. The recording status can be checked.

FIG. 16 shows a dedicated connector 40 connected to the recording video camera 10B and the backup VTR 20B.
1 is a configuration diagram of a video camera device capable of performing backup recording when A and 40A are not provided. In this device configuration, the video signal (V) and the audio signal (A) are recorded by the ordinary cables 92 and 93 in the video camera 10B for recording.
To the backup VTR 20B. In this device configuration, the dedicated connection connector 4 illustrated in FIG.
Since 0A is not provided and the 12th and 15th pins in the dedicated connector 40A do not exist, the recording instruction in the backup VTR 20B individually operates the recording buttons provided on the surface of the backup VTR 20B. Confirmation of the image in the backup VTR 20B uses the monitor TV 50 for confirmation, as in the case of the video camera device capable of backup recording illustrated in FIG.

[0008]

In any of the backup-recordable video camera apparatuses illustrated in FIGS. 13 and 16, a confirmation monitor is used to confirm the image being recorded on the backup VTRs 20A and 20B. The TV device 50 had to be provided.

Further, even when the confirmation monitor TV device 50 is provided, even if the images from the backup VTRs 20A and 20B are input to the recording video cameras 10A and 10B, one video is recorded in the recording video cameras 10A and 10B. Since only the viewfinder 12 is mounted as a display device, the images captured by the recording video cameras 10A and 10B or the backup VTRs 20A and 20B are displayed.
There is a drawback that only one of the images from 0B can be displayed, and both cannot be simultaneously displayed on the viewfinder 12 to check the recording state of both.

An object of the present invention is to provide a monitor TV 5 for confirmation.
With a simple configuration without providing 0, the recording video camera simultaneously reproduces the imaging result (video and audio) of the recording video camera itself and the video and audio from the backup videotape recording and reproducing device (VTR). (Confirmation) It is to provide a video camera device capable of (confirmation).

[0011]

According to the present invention, an image pickup means, a sound sampling means, a first display means, a second display means, a first sound reproduction means, and a second sound reproduction means are provided. Means, a first switching means for selecting a video signal input to the first display means, a second switching means for selecting a video signal input to the second display means,
A third switching means for selecting a sound signal input to the sound reproducing means, a fourth switching means for selecting a sound signal input to the second sound reproducing means, and a video camera having a control means. A video tape recording / reproducing apparatus capable of receiving and recording / reproducing a video signal and a sound signal from the video camera; and a signal transmitting means for connecting between the video camera and the video tape recording / reproducing apparatus. Then, the control means of the video camera selectively drives the first to fourth switching means according to a designated mode, and the first display means, the second display means, and the first display means. There is provided a video camera apparatus for applying a video signal and a sound signal in accordance with a mode designated to the sound reproducing means and the second sound reproducing means.

When the switching means is selectively driven by the control means, one of the two display means and the two sound reproduction means provided in the video camera is provided with, for example, an imaging signal of the imaging means of the video camera and a sound sampling means. And a video signal and a sound signal from the backup videotape recording / reproducing apparatus can be outputted to the other of the two display means and the two sound reproducing means.

Preferably, the first switching means and the third switching means simultaneously output the video and sound signals related to the first display means and the first sound reproducing means. The second switching means and the fourth switching means are simultaneously driven such that the second switching means and the fourth switching means are driven so as to output video and sound signals related to the second display means and the second sound reproducing means. . As a result, the related video and sound are output simultaneously.

Preferably, as the signal transmission means, communication means capable of intercommunicating between the video camera and the video tape recording / reproducing device is used, and signal transmission from the video camera to the video tape recording / reproducing device is performed. ,and,
A signal is transmitted from the video tape recording / reproducing device to the video camera.

Preferably, the video tape recording / reproducing apparatus has display means, sends information displayed on the display means to the video camera via the signal transmission means, and transmits the information to the video camera. The first or second of
Is displayed on the display means.

More preferably, the video camera is a magnetic tape recording / reproducing means, and a fifth and a simultaneously driven by the control means for selecting a video signal and a sound signal inputted to the magnetic tape recording / reproducing means. A sixth switching unit, wherein the magnetic tape recording / reproducing unit includes an image signal from the imaging unit and a sound signal from the sound collecting unit in the video camera, or a video signal from the video tape recording / reproducing device. Signals and sound signals can be recorded.

Preferably, the control means of the video camera selectively drives the first to sixth switching means in accordance with a designated mode, so that the first display means, the second display means, The first sound reproducing means and the second sound reproducing means;
A sound signal from the image pickup means and a sound signal from the sound sampling means, a video signal and a sound signal from the video tape recording / reproducing device, or the magnetic tape, according to a designated mode. A video signal and a sound signal reproduced from the recording / reproducing means are applied.

According to a second aspect of the present invention, an image pickup means, a sound sampling means, a display means, a sound reproduction means, and a first switching means for selecting a video signal inputted to the display means. A video camera having a second switching means for selecting a sound signal to be input to the sound reproducing means, a control means, a video tape recording / reproducing apparatus, and the video camera and the video tape recording / reproducing apparatus. Signal transmission means for connecting between them, the control means selectively driving the first and second switching means in accordance with a designated mode, and designated by the display means and the sound reproduction means. A video camera device that applies a video signal and a sound signal in accordance with the mode.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Before describing a preferred embodiment of the present invention, basic matters of the present invention will be described. In recent years, many video cameras (camcorders) are equipped with a liquid crystal panel in addition to a viewfinder. In a conventional video camera, these display devices can only display the same video. On the other hand, in a video camera for business use, as described above, a video tape recording / reproducing device (VTR) is prepared for backup in addition to the video camera for recording. In that case, backup VT
It is necessary to check in what state R is operating, and whether the video and audio signals from the video camera are transmitted to the backup VTR without error and recorded in the backup VTR.

Therefore, according to the present invention, a video camera is provided with two display means, for example, a viewfinder and a liquid crystal display panel, and the viewfinder has an image being photographed by the video camera, and the liquid crystal panel has a backup VTR.
The present invention proposes a video camera device capable of back-up recording such that the image can be shot and confirmed only by the video camera by displaying the image. In the present invention, not only video but also sound (in the present specification, "sound" is used as a concept including sound and sound, but hereinafter, for the sake of convenience, "sound" is represented by the above-described image). Treat the same as. for that reason,
The video camera is provided with two sound reproducing means, for example, a speaker and headphones (or earphones). For example, the speaker outputs a sound signal displayed on a viewfinder and taken simultaneously with an image being captured by the video camera. The headphone outputs sound related to the image of the backup VTR displayed on the liquid crystal panel.

Further, in the present invention, the recording of an arbitrary video signal and an audio signal on the magnetic tape recording / reproducing means provided in the video camera, and the video and audio signals reproduced by the magnetic tape recording / reproducing means are displayed on the display means and Output to sound reproduction means is enabled. Further, the video signal and the sound signal from the magnetic tape recording / reproducing means can be stored in the backup VTR, and the video signal and the sound signal from the backup VTR can be recorded in the magnetic tape recording / reproducing section.

In the present invention, an on-screen display (OS) provided in the backup VTR is further provided.
The information displayed in D) can be displayed on any display means of the video camera.

Hereinafter, preferred embodiments of the present invention will be described in detail.

[0024] Embodiment Figure 1 of the first embodiment, the viewfinder 12 and the liquid crystal display panel 14
A recording video camera 10 which is a professional video camera having a video tape recording / reproducing device (VTR) 20 for backup and a cable 30 connected to dedicated connection connectors 40 and 40 illustrated in FIG. FIG. 1 is a configuration diagram of a video camera device capable of performing backup recording as a first embodiment of the present invention, which is connected via a connection.
The backup-recordable video camera device illustrated in FIG. 1 is different from the backup-recordable video camera device illustrated in FIGS.
The recorded image of the TR 20 (hereinafter, the image or video processing includes related audio processing, the same applies hereinafter) is displayed on a second display unit of the video camera 10, for example, a liquid crystal display panel 14 described later. The confirmation monitor TV device 50 illustrated in FIGS. 13 and 16 is unnecessary.

For this reason, unlike the case of the video camera apparatus capable of back-up recording illustrated in FIGS. 13 and 16, the dedicated connector 40 illustrated in FIG. 14 is used as illustrated in FIG. The pin arrangement of the dedicated connection connector 40 illustrated in FIG. 14 is the same as that described above with reference to FIG. 13, but in the present embodiment, the number of pins used is increased.

FIG. 2 shows the pin arrangement of the dedicated connector 40. Pins A and B, and pins 1 to 8, 12 to 13,
15, 17, 18, 19, 20, and 22 are the same as those described above. That is, the pin A is a pin to which a line for supplying DC + 12 V is connected, the pin B is a pin to which a line for connecting a ground potential is connected, and the pins 1 to 8 are connected to a signal line for transmitting a video signal. Pin 9
Pin 11 is a pin to which a signal line for transmitting an audio signal is connected, and Pin 12 is a VTR START / STO
The P pin is a pin to which a signal line for instructing start and stop of recording from the video camera 10 to the backup VTR 20 is connected.
ATT, IND "pins, to which a signal line for transmitting the remaining capacity of the battery of the backup VTR 20 to the video camera 10 is connected.
Pin 5 is named a “REC / TALLY” pin, is a pin to which a signal line for transmitting to the video camera 10 whether the backup VTR 20 is currently recording is connected, and pin 17 is a shield line. Pin
The eighteenth pin is named "PB VIDEO", and is connected to a signal line for transmitting a reproduced image of the backup VTR 20 to the recording video camera 10 from a signal line connected to this pin and the nineteenth pin. And the second
The 0 pin is named “VTR SAVE”, and is a pin to which a signal line in which a monitor audio signal from the backup VTR 20 is superimposed on a signal for putting the backup VTR 20 in a power saving state is connected. Pin 22 is a pin to which a signal line of a color framing pulse is connected.

Information is exchanged between the video camera 10 and the backup VTR 20 through three signal lines connected to the twelfth, thirteenth, and fifteenth pins. Instructions for recording and confirmation of recording are possible in the video camera 10.

In the first embodiment, signal lines are connected to the 18th and 19th pins of the dedicated connector 40, and these signal lines are connected to the video camera 10 from the backup VTR 20 and to the backup VTR 20 at all times. A signal line 63 (see FIG. 3) for transmitting audio recorded on the backup VTR 20 to the video camera 10 is connected to a pin which has not been used so far, for example, a 21st pin.

Video Signal Processing Referring to FIG. 3, the processing of the video signal in the video camera apparatus capable of backup recording illustrated in FIG. 1 will be described.
FIG. 3 is a block diagram of the video signal processing of the video camera apparatus capable of performing backup recording illustrated in FIG. The video camera 10 for recording includes a viewfinder 12, a liquid crystal display panel 14, and a camera part 1 as image processing.
6. Magnetic tape recording / reproducing unit 18 and signal processing device 19
Having. The recording video camera 10 further includes a first switch SW1, a second switch SW2, a third switch SW3, and a fourth switch SW4.

The signal processing device 19 includes, for example, a microcomputer. The signal processing device 19 controls the first switch SW1, the second switch SW2, and the third switch SW3 by an arithmetic control process of the microcomputer. The image captured by the camera unit 16 is displayed on the viewfinder 12 via the first terminal T1 of the first switch SW1, or the second switch SW2
Can be displayed on the liquid crystal display panel 14 via the first terminal T1, or can be recorded by the magnetic tape recording / reproducing unit 18 via the first terminal T1 of the fourth switch SW4. The signal processing device 19 also controls the operation of the viewfinder 12, the liquid crystal display panel 14, the camera section 16, and the magnetic tape recording / reproducing section 18. The video captured by the camera section 16 is transmitted through the signal line 61 via the second terminal T2 of the third switch SW3, is output to the backup VTR 20, and can perform backup recording.

A reproduced video signal from the magnetic tape recording / reproducing unit 18 of the recording video camera 10 is supplied to a first switch SW
1 is displayed on the viewfinder 12 via the second terminal T2, is displayed on the liquid crystal display panel 14 via the second terminal T2 of the second switch SW2, and the first terminal T1 of the third switch SW3 is The data is input to the backup VTR 20 transmitted via the signal line 61 via the FB, and backup recording is possible.

The video signal from the camera section 16 via the third switch SW3 is input to the backup VTR 20 transmitted through the signal line 61 via pins 1 to 8 of the dedicated connector 40, and is backed up and recorded. You. The video signal from the backup VTR 20 is supplied to the signal line 63
The recording video camera 10 is transmitted through the pins 18, 19, and 21 of the dedicated connector 40 illustrated in FIG.
Is taken in. The video signal from the backup VTR 20 captured in the recording video camera 10 can be displayed on the viewfinder 12 from the third terminal T3 of the first switch SW1, and the liquid crystal display panel 1
The data can be displayed on the liquid crystal display panel 14 from the fourth third terminal T3, and can be recorded on the magnetic tape recording / reproducing unit 18 from the second terminal T2 of the fourth switch SW4.

Therefore, the viewfinder 12 is selectively driven by the signal processing device 19 to switch the first switch SW1, the second switch SW2, and the third switch SW3. 2)
Either the reproduced video signal from the magnetic tape recording / reproducing unit 18 or (3) the video signal from the backup VTR 20 can be arbitrarily displayed. Similarly, the liquid crystal display panel 1
4 includes a first switch SW by the signal processing device 19.
By selectively driving the first, second and third switches SW2 and SW3, (1) a video signal from the camera section 16;
(2) a reproduced video signal from the magnetic tape recording / reproducing unit 18;
Alternatively, (3) any of the video signals from the backup VTR 20 can be arbitrarily displayed. Either the video signal from the camera section 16 or the video signal from the backup VTR 20 can be recorded on the magnetic tape recording / reproducing section 18 by the signal processor 19 selectively driving the fourth switch SW4. The reproduced video signal from the magnetic tape recording / reproducing unit 18 is transmitted via the third switch SW3 and can be recorded in the backup VTR 20. The selective driving of the first switch SW1 to the fourth switch SW4 by the above-described signal processing device 19 is based on, for example, a user's instruction via an operation button (not shown) provided on the video camera 10 for recording. Done.

Here, control signals transmitted between the signal processing device 19 and the backup VTR 20 via the signal line 62 will be described. The control of the backup VTR 20 and the notification of the status are L
ANC, RS-232C, RS-422A, DV, etc. Also in the first embodiment, the signal line 6
2 for recording video camera 10 and backup VTR 2
0, and control and status of both are obtained. In each control protocol, recording start / stop, acquisition of time code information, acquisition of the current running state of the magnetic tape of the backup VTR 20 (recording, reproducing, and stopping) can be performed. Therefore, at the same time that the recording video camera 10 controls the backup VTR 20, the state is checked and the result is displayed on the liquid crystal display panel 14 or the viewfinder 12.
Can be displayed. The signal transmission line 62 for transmitting such a signal can be independently connected by a dedicated cable. For example, when the cable 30 and the dedicated connector 40 shown in FIG. 1 are used, the signal transmission line 62 is illustrated in FIG. Empty pins of the dedicated connector 40, for example, 14,
It can be assigned to pins 16, 23 and 24.

In the selected state of the first switch SW1 to the fourth switch SW4 illustrated in FIG. 3, an image is displayed in the following form. Viewfinder 12: Image of camera portion 16 Liquid crystal display panel 14: Image from backup VTR 20 At this time, since the third switch SW3 is set to the second terminal T2, the video signal of the camera portion 16 is changed to the backup VTR 20. Applied to the backup VTR
Since backup recording is performed at 20 and the first terminal T1 of the fourth switch SW4 is selected, the magnetic tape recording / reproducing unit 18 also records the video signal of the camera unit 16.

Of course, under the control of the signal processing device 19, the selection of the third terminal T3 of the first switch SW1 and the selection of the first terminal T3 of the second switch SW2, as shown by the broken lines.
If the selection of 1 is made, the following display is also possible, contrary to the above. Viewfinder 12: Video from backup VTR 20 Camera part 16: Video from camera part 16

The selection of the first terminal T1 of the first switch SW1 and the selection of the second terminal
When the first terminal T1 of the switch SW2 is selected, the following display can be performed. The viewfinder 12: the image of the camera portion 16 The camera portion 16: the image of the camera portion 16 The first display is controlled by the signal processing device 19. If the third terminal T3 of the switch SW1 is selected and the third terminal T3 of the second switch SW2 is selected, the following display becomes possible. The viewfinder 12: the video from the backup VTR 20 The camera portion 16: the backup VTR 20 When the selection of the second terminal T2 of the first switch SW1 and the selection of the second terminal T2 of the second switch SW2 are performed by the control of the video signal processing device 19, the following display is possible. Viewfinder 12: Playback video of magnetic tape recording / playback unit 18 Camera part 16: Playback video of magnetic tape recording / playback unit 18

Audio Signal Processing With reference to FIG. 4, the processing of audio signals in the video camera apparatus capable of backup recording illustrated in FIG. 1 will be described.
FIG. 4 is a block diagram illustrating the processing of the audio signal of the video camera device capable of performing backup recording illustrated in FIG. The recording video camera 10 includes a speaker 13, a headphone (or an earphone, hereinafter referred to as a headphone) 15, a microphone 17, a magnetic tape recording / reproducing unit 18 illustrated in FIG. 3, and a signal processing device 1 illustrated in FIG.
9 The recording video camera 10 further includes a fifth switch SW5, a sixth switch SW6, a seventh switch SW7, and an eighth switch SW8.

By controlling the fifth switch SW5, the sixth switch SW6, the seventh switch SW7, and the eighth switch SW8 by the arithmetic control processing of the signal processing device 19, the sound collected by the microphone 17 is Reproducing sound from the speaker 13 via the first terminal T1 of the fifth switch SW5;
Of the headphone 15 via the first terminal T1, and the sound recording by the magnetic tape recording / reproducing unit 18 via the first terminal T1 of the eighth switch SW8. Further, the audio signal collected by the microphone 17 is transmitted through the signal line 71 via the second terminal T2 of the sixth switch SW6, is output to the backup VTR 20, and can perform backup recording.

A reproduced audio signal from the magnetic tape recording / reproducing unit 18 of the recording video camera 10 is supplied to a fifth switch SW.
5, reproducing sound from the speaker 13 via the second terminal T2 of the fifth switch, reproducing sound from the headphone 15 via the second terminal T2 of the sixth switch SW6, and
The signal line 71 is transmitted via the first terminal T1 of the switch SW6, and is input to the backup VTR 20 to perform backup recording.

The audio signal from the microphone 17 via the sixth switch SW6 is transmitted through the signal line 71 via the pins 9 to 11 of the dedicated connector 40, is input to the backup VTR 20, and is backed up. The audio signal from the backup VTR 20 is transmitted through the signal line 73 and
Is taken into the video camera 10 for recording. The audio signal from the backup VTR 20 captured in the recording video camera 10 can be output from the third terminal T3 of the fifth switch SW5 to the speaker 13 and reproduced as a speaker sound, and can be reproduced as a speaker sound. The third terminal T3 can output to the headphone 15 to listen to the reproduced sound from the headphone 15, and the eighth switch SW8 can be applied to the magnetic tape recording / reproducing unit 18 from the second terminal T2 of the switch SW8. Can be stored.

As described above, from the speaker 13, the signal processing device 19 selectively drives the fifth switch SW 5, the sixth switch SW 6, and the seventh switch SW 7, and (1) an audio sampling signal from the microphone 17. ,
(2) a reproduced audio signal from the magnetic tape recording / reproducing unit 18;
Alternatively, (3) one of the audio signals from the backup VTR 20 can be reproduced as a speaker sound. Similarly, from the headphone 15, the signal processing device 19 selectively drives the fifth switch SW 5, the sixth switch SW 6, and the seventh switch SW 7.
(2) Magnetic tape recording / reproducing unit 18
Or (3) backup V
Any of the audio signals from the TR 20 can be reproduced. The magnetic tape recording / reproducing unit 18 can record either the audio sampling signal from the microphone 17 or the reproduced audio signal from the backup VTR 20 by the signal processor 19 selectively driving the eighth switch SW8. The reproduced audio signal from the magnetic tape recording / reproducing unit 18 is transmitted from the first terminal T1 of the sixth switch SW6 through the signal line 71 and can be recorded in the backup VTR 20. The selective driving of the fifth switch SW5 to the eighth switch SW8 by the above-described signal processing device 19 is performed based on a user's instruction.

In the selected state of the fifth switch SW5 to the eighth switch SW8 illustrated in FIG. 4, sound can be output in the following manner. Speaker 13: Audio output from microphone 17 Headphone 15: Audio output from backup VTR 20 At this time, since the sixth terminal SW2 of the sixth switch SW6 is selected, the audio sampling signal of the microphone 17 is transmitted to the backup VTR 20. And the backup recording is performed in the backup VTR 20.
Of the switch SW8, the first terminal T1 is selected.
Is recorded.

Of course, under the control of the signal processing device 19, the selection of the third terminal T3 of the fifth switch SW5 and the selection of the first terminal T
If the selection of 1 is made, the following audio processing is also possible, contrary to the above. Speaker 13: audio output from backup VTR 20 Headphone 15: audio output signal output from microphone 17

As described with reference to FIG. 3, an arbitrary audio output is output to the speaker 13 and the headphone 15 by selectively driving the fifth switch SW 5 and the sixth switch SW 6 under the control of the signal processing device 19. It becomes possible. However, in practice, the audio is related to the video, and the related video and audio are processed in combination, so that the first switch SW1 and the fifth switch SW
5, the second switch SW2 and the sixth switch SW6, the third switch SW3 and the seventh switch SW7, and the fourth switch SW4 and the eighth switch SW8 are selectively driven by the signal processing device 19 under the same conditions. Is realistic. As a result, for example, the viewfinder 12 and the speaker 13 output the corresponding video and audio, and the liquid crystal display panel 14 and the headphone 15 output the corresponding video and audio. Of course, conversely, the viewfinder 12 and the headphones 15 may correspond to each other, or the liquid crystal display panel 14 and the speakers 13 may correspond to each other. In the magnetic tape recording / reproducing unit 18, the video captured by the camera unit 16 and the audio collected by the microphone 17 are simultaneously recorded, or the video and audio from the backup VTR 20 are simultaneously recorded. Similarly, the video captured by the camera unit 16 and the audio collected by the microphone 17 are simultaneously recorded on the backup VTR 20, or the reproduced video and reproduced audio from the magnetic tape recording / reproducing unit 18 are simultaneously recorded. .

For example, an example in which the viewfinder 12 and the speaker 13 output corresponding video and audio and the liquid crystal display panel 14 and the headphone 15 output corresponding video and audio will be described below. Viewfinder 12: Image of camera section 16 Speaker 13: Sampling audio signal of microphone 17 Liquid crystal display panel 14: Recorded image of backup VTR 20 Headphone 15: Recorded audio of backup VTR 20

As is apparent from the illustrations in FIGS. 3 and 4, the recording video camera 10 has a camera section 16 as an image pickup means of the present invention and a microphone 17 as a sound sampling means of the present invention as a standard configuration. The viewfinder 12 (or the liquid crystal display panel 14) as the first display means of the present invention, and the liquid crystal display panel 14 (or the viewfinder 12) as the second display means of the present invention.
And a speaker 13 as first sound reproducing means of the present invention.
(Or headphone 15) and headphone 15 (or speaker 13) as the second sound reproducing means of the present invention.
And a magnetic tape recording / reproducing unit 18 as a magnetic tape recording / reproducing means of the present invention. The recording video camera 10 includes a first switch SW1 as first switching means, a second switch SW2 as second switching means, and a fifth switch SW3 as third switching means.
And a sixth switch SW6 as fourth switching means. Furthermore, the recording video camera 10 of the present invention has a fourth switch SW4 as fifth switching means and an eighth switch SW8 as fifth switching means. Of course, the recording video camera 10 has the third switch SW3 for transmitting the video signal to the backup VTR 20 and the sixth switch SW6 for transmitting the audio signal to the backup VTR 20.

Referring to FIG. 5, backup VTR 2
A display method for displaying the image 0 will be described. FIG.
FIG. 2 is a diagram illustrating a mode in which an image of a backup VTR 20 is displayed on, for example, a viewfinder 12 of a recording video camera 10. VTR20 for backup
Is provided with an on-screen display (OSD) 22. By transmitting the content displayed on the on-screen display 22 to the recording video camera 10 and displaying it on the viewfinder 12, for example,
The recording state of the backup VTR 20 can be recognized on the recording video camera 10 side. Video camera for recording 1
The contents displayed on the liquid crystal display panel 14 on the 0 side are the on-screen display (O) of the backup VTR 20.
SD) 22.

The recording video camera 10 illustrated in FIGS. 3 and 4 is provided with a magnetic tape recording / reproducing unit 18 in the recording video camera 10, and FIGS. The case where the fourth switch SW4 and the eighth switch SW8 for selecting the signal input to the VTR 20 are provided has been described. However, the reproduced video signal and the reproduced audio signal from the backup VTR 20 are recorded on the magnetic tape recording / reproducing unit 18. Is not required. When such a recording process is not performed, the fourth switch SW4 and the eighth switch
And the control processing of the fourth switch SW4 and the eighth switch SW8 of the signal processing device 19 can be omitted.

Second Embodiment As a second embodiment, a case where the recording video camera 10 and the backup VTR 20 are connected by a dedicated communication signal line separately from the first embodiment will be described. The control of the VTR and the notification of the status are conventionally performed by LANC, RS-232C,
RS-422A, DV, etc. The signal line is connected to the video camera 10 for recording and the VTR 20 for backup.
And control and status of both are obtained. Such a control line can be independently connected by a dedicated cable. For example, when the cable 30 and the dedicated connector 40 shown in FIG.
The unused pins of the dedicated connector 40 illustrated in FIG. 2 can be assigned to the pins, for example, pins 14, 16, 23, and 24.

FIG. 6 shows separate cables 31, 3
2, 33, and 34 show a configuration in which both the recording video camera 10 and the backup video tape recording / reproducing device (VTR) 20 are connected. That is, FIG. 6 shows a configuration in which the recording video camera 10 and the backup VTR 20 are connected by a normal video cable and audio cable. In this example, the first cable 31 transmits a video signal (V) from the recording video camera 10 to the backup VTR 20, and the second cable 32 transmits an audio signal (V) from the recording video camera 10 to the backup VTR 20. A) is transmitted. The third cable 33 transmits a video signal (V) from the backup VTR 20 to the recording video camera 10, and the fourth cable 34 transmits an audio signal (A) from the backup VTR 20 to the recording video camera 10. Is transmitted. Also in the second embodiment,
The confirmation monitor TV device 50 illustrated in FIG. 1 is unnecessary. The recording video camera 10 has the configuration illustrated in FIGS. 3 and 4 as in the first embodiment. That is, the recording video camera 10 has a camera portion 16, a microphone 17, a viewfinder 12 and a liquid crystal display panel 14, and a speaker 13 and a headphone 15.
And In this example, the backup VTR 2
The video / audio signal output from 0 is connected to an external input terminal of the video camera 10 for recording.

The connection of the backup VTR control signal will be described. Since these control lines are serial communications, they can be connected by several (1-2) signal lines. In each control protocol, recording start / stop, acquisition of time code information, acquisition of the current running state of the VTR (recording, reproducing, stopping) can be performed.
Therefore, the recording video camera 10 sends the backup V
At the same time that the TR 20 is controlled, the state can be checked and the result can be displayed on the liquid crystal display panel 14 or the viewfinder 12.

For example, consider an example in which the operation mode, time code, and remaining tape amount of the backup VTR 20 are communicated and displayed on the viewfinder 12 or the liquid crystal display panel 14 of the recording video camera 10 as shown in FIG. Become. The illustration illustrated in FIG.
2 (or the liquid crystal display panel 14)
The audio level of the TR 20 is also displayed at the same time. In the example illustrated in FIG. 7, what items to display are freely designed as specifications on the video camera side in consideration of the range supported by the protocol to be used and the required functions. Backup VTR
More flexible deployment is possible as compared to the example illustrated in FIG. 5 which relies on 20 on-screen displays (OSDs) 22.

Third Embodiment FIG. 8 shows, as a third embodiment of the present invention, an example in which a digital transmission cable (for example, DV or SDI) is used for connection. In the third embodiment, a first cable 35 is connected between the video camera 10 for recording and the video tape recording / reproducing device (VTR) 20 for backup.
They are connected by second cables 36 and 37. First
Cable is a digital transmission cable, for example, DV
The second cables 36 and 37 are analog signal transmission cables. The signal transmitted by the first cable 35 is the same as in the above-described embodiment, but the video signal (V) and the audio signal (A) transmitted from the backup VTR 20 to the video camera 10 are both analog signals. Therefore, the second cables 36 and 37 for transmitting these analog video signals and analog audio signals use cables for transmitting analog signals. Also in the third embodiment, the configuration and operation mode of the recording video camera 10, the configuration and operation mode of the backup VTR 20, and the cooperation between the recording video camera 10 and the backup VTR 20 are described in the first and second embodiments. The second embodiment can be applied.

Fourth Embodiment FIG. 9 shows an example of a fourth embodiment of the present invention in which two digital transmission cables (for example, DV and SDI) are connected. In the fourth embodiment,
A first digital transmission cable 35 and a second digital transmission cable 38 are connected between the recording video camera 10 and the backup video tape recording / reproducing device (VTR) 20. The first digital transmission cable 35 is the same as in the third embodiment described with reference to FIG.
In the fourth embodiment, the backup VTR 20
And the return video signal and audio signal are transmitted by the second digital transmission cable 38.

In the fourth embodiment, each of the first and second digital transmission cables 35 and 38 is a single cable capable of bidirectional transmission, and the connection between the video camera 10 for recording and the VTR 20 for backup is made. It is possible to use a format capable of bidirectional transmission and a frequency band between them.

Also in the fourth embodiment, the configuration and operation of the recording video camera 10, the configuration and operation of the backup VTR 20, and the cooperation between the recording video camera 10 and the backup VTR 20 are described. The first and second embodiments can be applied.

Fifth Embodiment In the above-described embodiment, the recording video camera 1
0, two display means, the viewfinder 12 and the liquid crystal display panel 14, are described. However, even when the recording video camera 10 is not mounted from one display means, the present invention is not limited to this. Applicable. An example of the method will be described. It is assumed that the viewfinder 12 is mounted as the recording video camera 10 as illustrated in FIG. 10, but the liquid crystal display panel 14 illustrated in FIG. 3 is not mounted. In this case, the connection form between the recording video camera 10 and the backup VTR 20 can be applied to any of the above-described first to fourth embodiments.

Even in this case, the video signal of the camera section 16 and the video signal from the backup VTR 20 can be selectively displayed on the viewfinder 12 by the first switch SW1, so that the monitor TV 50 for confirmation is provided. Instead, the imaging result of the camera section 16 or the recording state of the backup VTR 20 can be displayed on the viewfinder 12.

In this case, the processing of the audio signal illustrated in FIG. 4 also includes only the speaker 13 (or the headphone 15) corresponding to FIG. 10, as illustrated in FIG. The reason is that the viewfinder 12 and the speaker 13 output related video and audio.

Modification of the Fifth Embodiment The fifth embodiment described with reference to FIG. 10 in which the viewfinder 12 is mounted but the liquid crystal display panel 14 is not mounted will be described with reference to FIG. In the configuration described above, the viewfinder 12 is connected to the first switch S.
When the recording video camera 10 and the backup VTR 20 are connected to each other via the control signal line and are connected to the camera unit 16 via W1, as shown in FIG. 12, instead of the display screen of FIG. , “The video signal is a camera image”, and “the displayed information is the contents of the backup VTR”.

As described above, by connecting the control signal line between the recording video camera 10 and the backup VTR 20, it is possible to determine whether or not the data is recorded by the backup VTR 20 in the "recording" mode and the "time" mode. There is an advantage that a plurality of operation states such as "is the code advanced?" And "is the tape remaining amount reduced?" Can be confirmed in the viewfinder 12 or the like of the recording video camera 10.

In the above-described embodiment, the viewfinder 12 and the liquid crystal display panel 14 of different models are used as the two display means in the recording video camera 10.
However, other methods such as using a CRT display instead of the liquid crystal display panel 14 can be used. As the second display means, the same display as the viewfinder 12 can be provided instead of the liquid crystal display panel 14. Similarly, instead of the speaker 13 and the headphone 15 as two sound reproducing units mounted on the recording video camera 10, two sound reproducing units such as a speaker 13 and an earphone can be provided. Headphone 1 is used as a second sound reproducing means.
Instead of 5, the same speaker 13 can be used.

In practicing the present invention, the present invention is not limited to the above-described embodiment, and all other combinations of the above-described methods or an appropriate one of the combinations can be appropriately selected. Alternatively, in practicing the present invention,
For example, when the recording video camera 10 does not have the magnetic tape recording / reproducing unit 18, or when the video signal and the audio signal from the backup video tape recording / reproducing device 20 to the magnetic tape recording / reproducing unit 18 are not input as described above. As described above, a configuration in which some devices and processing functions are omitted can be adopted.

[0065]

According to the present invention, an image pickup result (video and audio) of the recording video camera itself and a backup videotape can be recorded in the recording video camera with a simple configuration without providing a monitor TV for confirmation. Recording / reproducing device (V
TR) can be reproduced (confirmed) simultaneously with the video and audio from the TR).

According to the present invention, preferably, the recording video camera is provided with two display means and two sound reproducing means, and further provided with appropriate switching means, so that the recording video camera and the backup video tape recording are provided. By connecting the playback device with an appropriate signal transmission device, the first display device and the first sound playback device output, for example, an imaging signal and a sampling sound in a video camera for recording,
The video signal and the sound signal from the backup video tape recording / reproducing device can be output to the second display means and the second sound reproducing means.

Further, according to the present invention, the operating state of the backup videotape recording / reproducing apparatus can be displayed on the display means of the recording video camera.

Further, according to the present invention, even if the recording video camera is provided with only one display means and one sound reproducing means, it can be switched by the switching means.
It is possible to output an image pickup signal and a picked-up sound signal in a recording video camera, or output a video signal and a sound reproduced signal from a backup video tape recording / reproducing device.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a video camera device capable of backup recording as a first embodiment of a video camera device of the present invention.

FIG. 2 is a table illustrating a method of using pins of a dedicated connector in the video camera apparatus capable of performing backup recording illustrated in FIG. 1;

FIG. 3 is a block diagram illustrating processing of a video signal of the video camera device capable of performing backup recording illustrated in FIG. 1;

FIG. 4 is a block diagram illustrating the processing of the audio signal of the video camera device capable of performing backup recording illustrated in FIG. 1;

FIG. 5 is a diagram illustrating a form in which the video of the backup VTR illustrated in FIG. 1 is displayed on, for example, a viewfinder of a recording video camera.

FIG. 6 is a configuration diagram of a video camera device capable of performing backup recording as a second embodiment of the video camera device of the present invention.

FIG. 7 is a diagram illustrating display contents of an on-screen display displayed on a viewfinder or a liquid crystal display panel in the video camera device capable of performing backup recording illustrated in FIG. 6;

FIG. 8 is a configuration diagram of a video camera device capable of performing backup recording as a third embodiment of the video camera device of the present invention.

FIG. 9 is a configuration diagram of a video camera device capable of performing backup recording as a fourth embodiment of the video camera device of the present invention.

FIG. 10 is a block diagram illustrating the processing of a video signal when there is only one display unit as a fifth embodiment of the video camera apparatus according to the present invention.

FIG. 11 is a block diagram illustrating processing of an audio signal when there is only one sound output unit according to a fifth embodiment of the video camera device of the present invention.

FIG. 12 is a diagram illustrating display contents of an on-screen display displayed on a viewfinder or a liquid crystal display panel as a modified example of the display example illustrated in FIG. 7;

FIG. 13 is a configuration diagram of a video camera device as a first background art of the present invention.

FIG. 14 is a diagram showing a pin arrangement of a dedicated connector provided in the video camera for recording shown in FIG. 13;

FIG. 15 is a table illustrating a method of using pins of the dedicated connector illustrated in FIG. 14;

FIG. 16 is a configuration diagram of a video camera device as a second background art of the present invention.

[Explanation of symbols]

10. Video camera for recording 12. Viewfinder 14. Liquid crystal display panel 16. Camera part 18. Magnetic tape recording / reproducing unit 19. Signal processing device 20. Video tape recording / reproducing device for backup (V
TR) 22 On-screen display (OSD) 30-38 Cable 40 Dedicated connector 50 Monitor TV device for confirmation

Continuation of the front page (72) Inventor Yoichi Onoe 6-7-35 Kita Shinagawa, Shinagawa-ku, Tokyo Sony Corporation F-term (reference) 5C018 FA01 FA03 FB01 FB03 FB04 FB05 FB06 5C022 AA11 AB65 AC01 AC13 AC17 AC42 AC71 AC72 AC75 AC79 5C053 FA21 JA01 JA21 KA08 KA24 LA01

Claims (7)

[Claims] 1. An image pickup means, a sound collecting means, a first display means, a second display means, a first sound reproduction means, a second sound reproduction means, and the first display means. First switching means for selecting a video signal input to the second display means, second switching means for selecting a video signal input to the second display means, and sound input to the first sound reproducing means. A video camera having third switching means for selecting a signal, fourth switching means for selecting a sound signal input to the second sound reproducing means, and control means; and a video signal from the video camera. And a video tape recording / reproducing apparatus capable of receiving and recording / reproducing a sound signal, and a signal transmission means for connecting between the video camera and the video tape recording / reproducing apparatus. Depending on the mode The first to
By selectively driving a fourth switching means, the first display means, the second display means, the first sound reproduction means and the second sound reproduction means are provided with a video according to a designated mode. A video camera device that applies signals and sound signals. 2. The first switching means and the third switching means are simultaneously driven so that the first display means and the first sound reproduction means output video and sound signals related to each other. Wherein the second switching means and the fourth switching means are simultaneously driven such that the second display means and the second sound reproduction means output a video and sound signal related thereto. Item 7. The video camera device according to Item 1. 3. As the signal transmission means, use is made of communication means capable of intercommunicating between the video camera and the video tape recording / reproducing device, and signal transmission from the video camera to the video tape recording / reproducing device; 2. The video camera device according to claim 1, wherein a signal is transmitted from the video tape recording / reproducing device to the video camera. 4. The video tape recording / reproducing apparatus has display means, sends information displayed on the display means to the video camera via the signal transmission means, and transmits the information to the video camera. 4. The video camera apparatus according to claim 3, wherein the video camera apparatus displays the information on the first or second display means. 5. A video camera comprising: a magnetic tape recording / reproducing means; and a fifth and a sixth simultaneously driven by the control means for selecting a video signal and a sound signal inputted to the magnetic tape recording / reproducing means. Switching means, wherein the magnetic tape recording / reproducing means includes an image signal from the imager in the video camera and a sound signal from the sound collecting means, or a video signal and sound from the video tape recording / reproducing device. The video camera device according to claim 1, wherein the video camera device can record a signal. 6. The video camera control means selectively drives one of the first to sixth switching means in accordance with a designated mode, so that the first display means, the second display means, The first sound reproducing means and the second sound reproducing means are provided with an image signal from the image pickup means, a sound signal from the sound sampling means, and a video from the video tape recording / reproducing apparatus in accordance with a designated mode. 6. The video camera device according to claim 5, wherein a signal and a sound signal or a video signal and a sound signal reproduced from the magnetic tape recording / reproducing means are applied. 7. An image pickup means, a sound collecting means, a display means,
Sound reproducing means, first switching means for selecting a video signal input to the display means, and second switching means for selecting a sound signal input to the sound reproducing means;
A video camera having control means; a video tape recording / reproducing device capable of receiving and recording / reproducing a video signal and a sound signal from the video camera; And a signal transmission unit for connecting, wherein the control unit selectively drives the first and second switching units in accordance with a designated mode, and selects a mode designated by the display unit and the sound reproduction unit. A video camera device that applies a video signal and a sound signal in accordance with a video signal.