JPH0654248A - Video equipment and vtr unified with camera - Google Patents

Abstract

PURPOSE:To provide a video equipment like a VTR integrated with a camera that can obtain the RF output. CONSTITUTION:The cabinet of a VTR 10 integrated with a camera is provided with a video terminal 11V and an audio terminal 11A. A slide switch 12 is added to switch both terminals 11V and 11A between the video/audio input IN and output OUT modes and also to switch the terminal 11V to the RF output mode. The VTR 10 contains an RF converter and the RF output of the RF converter is supplied to the terminal 11V when the switch 12 is set at the RF position. Thus it is not required to use such an expensive RF converter unit that contains a plug to secure the connection between the output terminals for video and audio signals nor to provide a power terminal to the cabinet in order to secure the power supply for the RF converter. Furthermore the total cost of the VTR 10 can be reduced without increasing the number of terminals to be provided to the cabinet to double as the terminal 11V for RF output.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video device having a video signal output terminal and a camera-integrated VTR.

[0002]

2. Description of the Related Art In FIG. 4, reference numeral 1 shows the appearance of a conventional camera-integrated VTR. The video signal and audio signal output terminals 2 are provided on the side surface of the VTR 1 cabinet.
V and 2A are provided. These output terminals 2V,
2A is formed as a pin jack, for example.

For example, output terminals 2V and 2 of VTR 1
The video signal and the audio signal respectively obtained at A are supplied to the input terminals of the video signal and the audio signal of the television receiver using a so-called PIN-PIN cable (not shown) so that the image and the sound can be viewed. Become.

Further, for example, output terminals 2V, 2 of VTR1
The RF converter unit 3 (shown in FIG. 4) is connected to A, and the video signal and the audio signal obtained at the output terminals 2V and 2A are television broadcast signals of a predetermined channel in the unit 3 (hereinafter, referred to as "RF output"). The RF output is supplied to the antenna terminal (not shown) of the television receiver through the cable 4 and the image and sound can be viewed. Incidentally, the cable 4 and the antenna terminal of the television receiver are connected with an F-type connector. In order to secure the power source used in the RF converter unit 3, the cabinet of the VTR 1 has output terminals 2V and 2A in addition to the output terminals 2V and 2A. A power supply terminal 2B is also provided.

[0005]

As described above, in the camera-integrated VTR 1 shown in FIG. 4, the RF converter unit 3 is attached to the output terminals 2V and 2A when RF output is required. The converter unit 3 is expensive because it includes a plug or the like for connecting to the output terminals 2V and 2A. In addition, the RF converter unit 3
In order to secure the power source of the above, it is necessary to arrange the power source terminal 2B in the cabinet of the VTR 1. Therefore, VTR1
There was a problem that it was expensive as a whole.

Therefore, an object of the present invention is to inexpensively construct a video device which can obtain an RF output.

[0007]

The present invention has a built-in RF converter and a switching means for switching between an output signal of the RF converter and an audio signal or a video signal. The audio terminal or the video terminal is an output signal of the RF converter. It is also used as the output terminal of.

[0008]

In the present invention, since the RF converter is built in, an expensive RF converter unit having a plug for connecting to an output terminal of a video signal or an audio signal becomes unnecessary, and at the same time, a power supply for the power supply is secured. There is no need to arrange power terminals in the cabinet, and RF
Since the audio terminals or the video terminals are also used for output, the number of terminals provided in the cabinet does not increase, and the overall cost can be reduced.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. This example is an example applied to a camera-integrated VTR.

FIG. 1 shows the appearance of this example. In the same figure, the video signal and audio signal input / output terminals 11V and 1 are provided in the cabinet of the camera-integrated VTR 10.
1A is provided. These input / output terminals 11V, 11A
Is formed, for example, as a pin jack.

In addition, in the cabinet of this VTR10,
A 3-position slide switch for switching the input / output terminals 11V and 11A for input (IN) or output (OUT) of the video signal and audio signal and for switching the input / output terminal 11V for output of the RF output (RF). 12 are provided. In this case, the RF position is set to be located outside.

FIG. 2 shows an internal circuit (main part) of the VTR related to the input / output terminals 11V and 11A. In the figure, 12V and 12A are changeover switches which are changed over according to the slide position of the slide switch 12. The video signal obtained at the IN-side fixed terminal of the changeover switch 12V becomes the input video signal Vin, and the output video signal Vout is provided at the OUT-side fixed terminal thereof.
Is supplied.

The audio signal obtained at the fixed terminal on the IN side of the changeover switch 12A is the input audio signal A.
The output audio signal Aout is supplied to the fixed terminal on the OUT side.

Reference numeral 13 is an RF built in the VTR 10.
This RF converter 13 is supplied with an output video signal Vout and an output audio signal Aout. In this RF converter 13, the video signal Vout
An RF output (a television broadcast signal of a predetermined channel) is formed from the audio Aout. The RF output output from the RF converter 13 is the changeover switch 1
It is supplied to the fixed terminal on the RF side of 2V. The fixed terminal on the RF side of the changeover switch 12A is placed in an electrically floating state. A DC power source existing inside the VTR 10 is connected to the RF converter 13.

The changeover switches 12V and 12A are switched in conjunction with each other. When the slide switch 12 is in the IN position, it is connected to the IN side, when it is in the OUT position, it is connected to the OUT side, and when it is in the RF position. It is connected to the RF side. And the changeover switch 1
The 2V movable terminal is connected to the video signal input / output terminal 11V, and the movable terminal of the changeover switch 12A is connected to the audio signal input / output terminal 11A.

With the above configuration, the input / output terminals 11V,
When 11A is used as an input terminal for a video signal or an audio signal, the slide switch 12 may be positioned at the IN position so that the changeover switches 12V and 12A are connected to the IN side. In this case, input / output terminal 1
The video signal and audio signal supplied to 1V and 11A become the input video signal Vin and the input audio signal Ain via the changeover switches 12V and 12A.

When the input / output terminals 11V and 11A are used as output terminals for video signals and audio signals, the slide switch 12 is placed in the OUT position so that the changeover switches 12V and 12A are connected to the OUT side. do it. In this case, the output video signal Vout
And output audio signal Aout are changeover switches 12V, 1
It is led out to the input / output terminals 11V and 11A via 2A.

In this state, the input / output terminals 11V and 11
By supplying the video signal and the audio signal obtained in A to the input terminals of the video signal and the audio signal of the television receiver using the PIN-PIN cable, it is possible to view the image and the sound.

Further, when the input / output terminal 11V is used as an output terminal for RF output, the slide switch 12 is positioned at the RF position and the changeover switches 12V, 12V.
It is sufficient that A is connected to the RF side. in this case,
The RF output output from the RF converter 13 is led to the input / output terminal 11V via the changeover switch 12V.

In this state, one end of the PIN-PIN cable 14 is connected to the input / output terminal 11V as shown in FIG.
If the PIN-F type connector conversion plug 15 is connected to the other end and this conversion plug 15 is connected to the antenna terminal (not shown) of the television receiver, the RF output is obtained by the F type connector connection. Can be input to, and the image and sound can be viewed.

According to this example, the VTR 10 has the RF converter 13 built therein, and the slide switch 12 is the RF converter.
An RF output can be obtained at the input / output terminal 11V simply by setting the position. Since it has a built-in RF converter,
There is no need for an expensive RF converter unit including a plug or the like for connecting to output terminals for video signals and audio signals as in the conventional case, and it is not necessary to dispose a power supply terminal for securing the power supply in the cabinet. .
Further, since the input / output terminal 11V is also used for RF output, the number of terminals arranged in the cabinet does not increase. Therefore, the cost can be reduced as a whole.

Further, since the RF position is arranged outside by the slide switch 12, it is not necessary for the user who does not need the RF output to slide through the RF position when switching between the IN position and the OUT position. The advantage is that the sliding range is shorter and the operation is easier.

In the above embodiment, the input / output terminal 11V is also used as the output terminal for RF output. However, the input / output terminal 11A can also be used. In this case, in the example of FIG. 2, the RF output output from the RF converter 13 is supplied to the fixed terminal on the RF side of the changeover switch 12A, and the fixed terminal on the RF side of the changeover switch 12V is electrically floated. Good.

In the above embodiment, the terminal 11
Although V and 11A have been used as input / output of video signals and audio signals, for example, output-only ones can be also used for RF output.

Further, although the present invention is applied to the camera-integrated VTR in the above-mentioned embodiments, the present invention can be applied to other video equipments requiring RF output in the same manner. is there.

[0026]

According to the present invention, since the RF converter is built in, an expensive RF converter unit having a plug or the like for connecting to an output terminal of a video signal or an audio signal becomes unnecessary, and the power source thereof is secured. It is not necessary to dispose a power supply terminal in the cabinet for this purpose, and the number of terminals disposed in the cabinet does not increase because it also serves as an audio terminal or a video terminal for RF output. Has the effect of.

[Brief description of drawings]

FIG. 1 is a diagram showing an appearance of an example.

FIG. 2 is a connection diagram showing an internal circuit (main part) of the embodiment.

FIG. 3 is a diagram showing a usage example of the embodiment.

FIG. 4 is a diagram showing a configuration of a conventional example.

[Explanation of symbols]

 10 Camera integrated VTR 11V Video signal input / output terminal 11A Audio signal input / output terminal 12 Slide switch 12V, 12A selector switch 13 RF converter

Claims (4)

[Claims] 1. An RF converter is built-in, and switching means for switching between an output signal of the RF converter and an audio signal or a video signal is provided, and an audio terminal or a video terminal is also used as an output terminal of the output signal of the RF converter. Video equipment characterized by. 2. The video equipment according to claim 1, wherein the audio terminal or the video terminal also serves as an input terminal and an output terminal, and the switching means switches between an input signal and an output signal. 3. The video equipment according to claim 1, wherein a slide type having three positions is used as the switching means, and the RF position is located outside. 4. An RF converter is built-in, and switching means for switching between an output signal of the RF converter and an audio signal or a video signal is provided, and an audio terminal or a video terminal is also used as an output terminal of the output signal of the RF converter. A VTR with a built-in camera.