JPS6365370U - - Google Patents
Info
- Publication number
- JPS6365370U JPS6365370U JP16032586U JP16032586U JPS6365370U JP S6365370 U JPS6365370 U JP S6365370U JP 16032586 U JP16032586 U JP 16032586U JP 16032586 U JP16032586 U JP 16032586U JP S6365370 U JPS6365370 U JP S6365370U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- switching device
- switch
- circuit
- drives
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Studio Circuits (AREA)
Description
第１図は本考案による映像信号切替装置の実施
例を示すブロツク図、第２図は従来の映像信号切
替装置のブロツク図である。
１…制御装置、１０，２０，３０，４０…映像
信号切替器、１１，２１，３１，４１…第１の切
替器、１２，２２，３２，４２…第２の切替器、
１３，２３，３３，４３…制御ロジツク、１４，
２４，３４，４４…表示器、１５，２５，３５，
４５…ＡＮＤゲート回路、１６，２６，３６，４
６…ゲートパルス発生回路。
FIG. 1 is a block diagram showing an embodiment of a video signal switching device according to the present invention, and FIG. 2 is a block diagram of a conventional video signal switching device. 1... Control device, 10, 20, 30, 40... Video signal switch, 11, 21, 31, 41... First switch, 12, 22, 32, 42... Second switch,
13, 23, 33, 43...control logic, 14,
24, 34, 44...Display device, 15, 25, 35,
45...AND gate circuit, 16, 26, 36, 4
6...Gate pulse generation circuit.
Claims (1)
記第１の切替器と直列に接続された第２の切替器
より構成される複数台の映像信号切替器を有し、
前記映像信号切替器の第２の切替器のオン情報に
より表示器を駆動する回路において、ストローブ
パルスにより駆動されるゲートパルス発生回路と
、前記第２の切替器のオン情報を前記ゲートパル
ス発生回路よりのパルスによりゲートするＡＮＤ
ゲート回路とを各映像信号切替器にそれぞれ具備
したことを特徴とする映像信号切替装置。 A plurality of video signal switching devices each including a first switching device that switches a plurality of video signals and a second switching device connected in series with the first switching device,
A circuit that drives a display device based on the ON information of the second switch of the video signal switch includes a gate pulse generation circuit driven by a strobe pulse, and a gate pulse generation circuit that drives the ON information of the second switch of the video signal switch. AND gated by more pulses
A video signal switching device characterized in that each video signal switching device is provided with a gate circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16032586U JPH0434617Y2 (en) | 1986-10-20 | 1986-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16032586U JPH0434617Y2 (en) | 1986-10-20 | 1986-10-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6365370U true JPS6365370U (en) | 1988-04-30 |
| JPH0434617Y2 JPH0434617Y2 (en) | 1992-08-18 |
Family
ID=31085602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16032586U Expired JPH0434617Y2 (en) | 1986-10-20 | 1986-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434617Y2 (en) |
-
1986
- 1986-10-20 JP JP16032586U patent/JPH0434617Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0434617Y2 (en) | 1992-08-18 |
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