JPH0159379U - - Google Patents
Info
- Publication number
- JPH0159379U JPH0159379U JP15393087U JP15393087U JPH0159379U JP H0159379 U JPH0159379 U JP H0159379U JP 15393087 U JP15393087 U JP 15393087U JP 15393087 U JP15393087 U JP 15393087U JP H0159379 U JPH0159379 U JP H0159379U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- switch
- signal output
- video signal
- supplied
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002131 composite material Substances 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
- Color Television Systems (AREA)
Description
第１図は本考案になるビデオセレクタの一実施
例の要部を示す回路図、第２図はその前面を示す
図、第３図はその後面を示す図、第４図は従来の
ビデオセレクタと映像装置との接続例を示す図で
ある。
４ａ〜６ａ……分離ビデオ信号入力端子、４ｂ
〜６ｂ……複合ビデオ信号入力端子、４ｃ〜６ｃ
……音声信号入力端子、７ａ〜９ｃ，１５，１６
，１８……バツフア回路、１０……Ｙ信号（輝度
信号）出力端子、１１……シンク抜取回路、１２
……Ｃ信号（搬送色信号）出力端子、１３……複
合ビデオ信号出力端子、１４……分離回路、１７
……モニタ用分離ビデオ信号出力端子、１９……
モニタ用複合ビデオ信号出力端子、２０ａ〜２２
ａ……分離ビデオ信号出力端子、２０ｂ〜２２ｂ
……複合ビデオ信号出力端子、２０ｃ〜２２ｃ…
…音声信号出力端子、２３……モニタ用音声信号
出力端子、２４ａ，２４ｂ，２４ｃ……モニタ選
択ボタン、２５……表示部、２６ａ，２６ｂ，２
６ｃ……入力信号切換ボタン、ａ，ｂ，ｅ，ｆ…
…固定接点、ｄ，ｇ……可動接片、Ｓ１……モニ
タ選択スイツチ、Ｓ２，Ｓ３……スイツチ。
Fig. 1 is a circuit diagram showing the main parts of an embodiment of the video selector according to the present invention, Fig. 2 is a front view thereof, Fig. 3 is a rear view thereof, and Fig. 4 is a conventional video selector. FIG. 2 is a diagram illustrating an example of a connection between a video device and a video device. 4a to 6a...separated video signal input terminal, 4b
~6b...Composite video signal input terminal, 4c~6c
...Audio signal input terminal, 7a to 9c, 15, 16
, 18...Buffer circuit, 10...Y signal (luminance signal) output terminal, 11...Sink extraction circuit, 12
... C signal (carrier color signal) output terminal, 13 ... Composite video signal output terminal, 14 ... Separation circuit, 17
...Separate video signal output terminal for monitor, 19...
Composite video signal output terminal for monitor, 20a-22
a...Separated video signal output terminal, 20b to 22b
...Composite video signal output terminal, 20c to 22c...
...Audio signal output terminal, 23...Audio signal output terminal for monitor, 24a, 24b, 24c...Monitor selection button, 25...Display section, 26a, 26b, 2
6c...Input signal switching button, a, b, e, f...
...Fixed contacts, d, g...Movable contacts, S1 ...Monitor selection switch, S2 , S3 ...Switches.
Claims (1)
ビデオ信号出力端子と、この出力端子とは別にモ
ニタ用複合ビデオ信号出力端子とを有し、ビデオ
テープレコーダ等の映像装置が複数台前記複合ビ
デオ信号入力端子及び前記複合ビデオ信号出力端
子に接続され、必要な映像装置からの入力信号を
切換えて他の映像装置に出力すると共に、その入
力信号と同一または他の入力信号を切換えて前記
モニタ用複合ビデオ信号出力端子から出力できる
ビデオセレクタであつて、 輝度信号と搬送色信号とに分離された分離ビデ
オ信号が映像装置より供給される複数の分離ビデ
オ信号入力端子と、複数の分離ビデオ信号出力端
子と、前記分離ビデオ信号入力端子及び前記複合
ビデオ信号入力端子がそれぞれ接続され、必要な
入力信号を切換えて出力する第１のスイツチと、
この第１のスイツチの輝度信号出力が供給される
シンク抜取回路と、前記第１のスイツチの複合ビ
デオ信号出力が供給され、その信号を輝度信号と
搬送色信号とに分離する分離回路と、この分離回
路及び前記第１のスイツチの輝度信号出力がそれ
ぞれ供給され、前記シンク抜取回路からの制御信
号によりどちらか一方の輝度信号を切換えて出力
する第２のスイツチと、前記分離回路及び前記第
１のスイツチの搬送色信号出力がそれぞれ供給さ
れ、前記シンク抜取回路からの制御信号により前
記第２のスイツチと連動してどちらか一方の搬送
色信号を切換えて出力する第３のスイツチと、こ
の第３のスイツチの搬送色信号出力及び前記第２
のスイツチの輝度信号出力がそれぞれ供給される
モニタ用分離ビデオ信号出力端子とを設け、 前記モニタ用複合ビデオ信号出力端子には前記
第１のスイツチの複合ビデオ信号出力が前記分離
回路を介さずに供給されるようにしたことを特徴
とするビデオセレクタ。[Claims for Utility Model Registration] It has a plurality of composite video signal input terminals, a plurality of composite video signal output terminals, and a composite video signal output terminal for a monitor separate from these output terminals, and is capable of producing images of a video tape recorder, etc. A plurality of devices are connected to the composite video signal input terminal and the composite video signal output terminal, and the input signal from the necessary video device is switched and outputted to the other video device, and the input signal is the same as that input signal or another input signal. A video selector capable of switching signals and outputting them from the monitor composite video signal output terminal, the video selector comprising a plurality of separated video signal input terminals to which separated video signals separated into a luminance signal and a carrier color signal are supplied from a video device; , a first switch to which a plurality of separated video signal output terminals, the separated video signal input terminal and the composite video signal input terminal are respectively connected, and which switches and outputs a necessary input signal;
a sink extraction circuit to which the luminance signal output of the first switch is supplied; a separation circuit to which the composite video signal output of the first switch is supplied and which separates the signal into a luminance signal and a carrier color signal; a second switch to which the luminance signal outputs of the separation circuit and the first switch are respectively supplied, and which switches and outputs one of the luminance signals according to a control signal from the sink extraction circuit; a third switch, which is supplied with the carrier color signal output of each of the switches, and which switches and outputs one of the carrier color signals in conjunction with the second switch according to a control signal from the sink extraction circuit; The carrier color signal output of the switch No. 3 and the second
monitor separate video signal output terminals to which the luminance signal outputs of the first switch are respectively supplied, and the composite video signal output of the first switch is supplied to the monitor composite video signal output terminal without going through the separation circuit. A video selector characterized in that it is supplied with:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15393087U JPH0537587Y2 (en) | 1987-10-07 | 1987-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15393087U JPH0537587Y2 (en) | 1987-10-07 | 1987-10-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0159379U true JPH0159379U (en) | 1989-04-13 |
| JPH0537587Y2 JPH0537587Y2 (en) | 1993-09-22 |
Family
ID=31430201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15393087U Expired - Lifetime JPH0537587Y2 (en) | 1987-10-07 | 1987-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537587Y2 (en) |
-
1987
- 1987-10-07 JP JP15393087U patent/JPH0537587Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537587Y2 (en) | 1993-09-22 |
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