JPH0795834B2 - Recording / playback device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording / reproducing apparatus including a video camera section and a recording / reproducing section for recording / reproducing video signals from the video camera section.

2. Description of the Related Art Conventionally, there is a VTR integrated color video camera as one of the recording / reproducing apparatuses, and an example thereof is shown in FIG. Second
In the figure, 1 is a camera portion of a VTR integrated color video camera, 2 is a VTR portion, and 3 is an output changeover switch portion. V
When the TR section 2 is not used or the camera signal from the camera section 1 is being recorded by the VTR section 2, the changeover switch 3 is changed over to the b-side contact and the output signal obtained from the video output terminal 4 Is the camera output. Further, when the VTR section is reproducing, the changeover switch 3 is switched to the a-side terminal and the output signal is the reproduction output of the VTR. In this case, the camera output signal cannot be taken out. Reference numeral 5 denotes a sync signal generation circuit that generates a sync signal for the camera unit 1. In recent years, the demand for compact VTR-integrated color video cameras such as 8 mm video has greatly increased, but the signals captured by them are often electronically edited without being directly converted into works. For example, when a photographed work is to be edited by inserting a superimpose of a title or the like, a dedicated teloper shown in FIG. 3 is required. In FIG. 3, reference numeral 6 is an input terminal to which a video output signal from the video output terminal 4 in FIG. 1 is input.

This video signal includes a sync signal separation circuit 7 and a signal synthesis circuit 8.
And applied to. A telop camera unit 9 is driven in synchronization with the sync signal of the video output signal separated by the sync signal separating circuit 7. An image output such as a title to be superimposed from the camera unit 9 is input to the signal synthesizing circuit 8 and is output to an output terminal 10 as a synthetic video output.

Problems to be Solved by the Invention However, in the above configuration, the camera section of the VTR integrated color video camera is idle during editing, and since the telopper has a built-in camera, there are two camera sections in total. Therefore, there is a problem that the cost becomes high.

In order to solve the above-mentioned drawbacks, the present invention provides a recording / reproducing apparatus that enables the output signal of the camera section of the recording / reproducing apparatus and the reproduction signal of the VTR section to be combined and output, and has a built-in teloper function. To aim.

Means for Solving the Problems A recording / reproducing apparatus of the present invention includes a signal synthesizing circuit for synthesizing a video signal of a video camera unit and a reproduction output of the recording / reproducing unit,
A sync signal generating circuit for generating a first sync signal having a constant phase, a sync separation circuit for separating the sync signal from the reproduction output to create a second sync signal, and the first and second sync signals Selecting means for selectively applying a signal as a drive synchronization signal to the video camera section, a second selecting means for selectively switching each output of the video camera section and the recording / playback section, and the second selection. The third selection means selectively guides the output selected by the means and each output of the signal synthesis circuit to the output terminal.

With the above-described structure, the present invention uses the VTR-integrated color video camera unit in addition to the function as the conventional VTR-integrated color video camera, when electronically editing from a VTR-integrated color video camera to another VTR or the like. By doing so, it becomes possible to have the function of a teloper.

Embodiment One embodiment of the present invention will be described below with reference to FIG. Note that in FIG. 1, the same reference numerals are given to the same structural blocks as the structural blocks in FIGS. 2 and 3. Reference numeral 1 denotes a camera section of a VTR-integrated color video camera, the outputs of which are applied to the VTR section 2, the b terminal of the changeover switch 3 of the second selecting means, and the signal synthesizing circuit 8. The output of the sync signal separating circuit 7 and the output of the sync signal generating circuit 5 are configured to be selectively applied to the camera unit 1 by switching the changeover switch 11 of the first selecting means. The output of 8 and the output of the changeover switch 3 of the second selecting means are selectively led to the output terminal 4 by the changeover switch 12 of the third selecting means.

Next, this operation will be described. First, in the case of shooting with a camera, the changeover switch 11 for the first, second and third selecting means,
3 and 12 are respectively switched to the terminal b side, and the camera section 1 forms a video signal by the sync signal generated by the sync signal generation circuit 5 as in the video camera shown in FIG. To be done. At this time, the output of the camera section 1 passes through the changeover switch 3 of the second selecting means and the changeover switch 12 of the third selecting means, and the camera output is outputted from the output terminal 4.

Next, at the time of VTR reproduction, the changeover switches 11 and 3 of the first and second selecting means are switched to the a terminal and the changeover switch of the third selecting means is changed to the b side terminal, and the reproduced signal output from the VTR section 2 is reproduced. The sync signal is extracted from the sync signal separation circuit 7 by the sync signal separation circuit 7, and the camera unit 1
Apply to. However, the operation of the camera unit 1 is stopped in the case of normal reproduction in which only the reproduction signal is obtained from the VTR unit 2, but when the output from the camera is also required, the camera unit 1 is set to the operation state. Then, by switching the selector switch 3 to the terminal b side, it is possible to instantaneously switch from the VTR playback screen to the camera image.

When used as a teloper, the 2nd, 3rd and 3rd
The signal output from the output terminal 4 by switching the changeover switches 3, 11 and 12 to the a side terminal is a signal in which the camera signal is combined with the VTR playback signal, and telop is possible without using a dedicated teloper. Become. At this time, the changeover switch
By switching between 3 and 12, camera unit 1 and VTR unit 2
Only the output of can be taken out selectively. That is, for example, if you want to leave the title and the place name etc. in the form of superimpose at the beginning of the video of each place you visited on the recorded tape taken at each place during the trip, Changeover switch which is the selection means of 1.
In the state where 11 is switched to the b terminal side, and the two changeover switches 3 and 12 constituting the second selecting means are respectively switched to the b terminal side, and the video output of the camera section 1 is output from the output terminal 4. By doing so, the position of the character to be superimposed can be confirmed, and then the reproducing operation of the VTR section 2 is started, and at the same time, the changeover switch 11 which is the first selecting means and the changeover switch which is one of the second selecting means. By switching 3 and 3 respectively to the a terminal side, the playback output of the VTR section 2 is output from the output terminal 4, while the playback output is recorded by another VTR, and the playback image is observed on the monitor, When the optimum screen to be paused comes, the changeover switch 12 of the second selecting means is set to the terminal a side, and when it is switched to the composite signal, the superimposed video signal is output terminal after that. Other VTR is output from the
Is recorded on the screen, and the changeover switch 12 is switched to the b terminal side again at the screen position where superimposing seems unnecessary.
If the playback output of the VTR is output, an image without superimposing will be recorded in another VTR after that, and the work of inserting the superimposing becomes easy.

EFFECTS OF THE INVENTION As described above, according to the present invention, the VTR integrated camera is provided with the changeover switch for facilitating the editing, and the camera unit used during the normal shooting is used as the video camera for the telop, so that the dedicated telop is required. It is possible to realize a telop such as a title at the time of editing at a low cost. Also, by providing a plurality of selection means, camera images,
The VTR playback video and its composite video can be switched instantaneously, which allows easy and easy electronic editing and broadens the range of editing.

[Brief description of drawings]

FIG. 1 is an electrical block diagram of a VTR integrated video camera according to an embodiment of the present invention, FIG. 2 is an electrical block diagram of a conventional VTR integrated color video camera, and FIG. 3 is an electrical block diagram of a telop. Is. 1 ... Color video camera section, 2 ... VTR section, 3 ... First changeover switch, 4, 10 ... Output terminal, 5 ... Sync signal generation circuit, 6 ... Input terminal, 7 ... Sync signal Separation circuit, 8 ... Signal combining circuit, 9 ... Telop camera section,
11 …… Second changeover switch, 12 …… Third changeover switch.

Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI Technical display area H04N 5/782 K

Claims (1)

[Claims] 1. A recording / reproducing apparatus in which a video camera unit and a recording / reproducing unit for recording / reproducing a video signal from the video camera unit are housed in the same housing. A signal synthesizing circuit for synthesizing the reproduction output, a synchronization signal generating circuit for generating a first synchronization signal having a constant phase, and a synchronization separating circuit for separating the synchronization signal from the reproduction output to create a second synchronization signal. A first selecting means for selectively applying the first and second synchronizing signals to the video camera section as a drive synchronizing signal, and a second selecting means for selectively switching between the outputs of the video camera section and the recording / reproducing section. And a third selecting means for selectively guiding the output selected by the second selecting means and each output of the signal synthesizing circuit to an output terminal. apparatus.