JPH023585U - - Google Patents
Info
- Publication number
- JPH023585U JPH023585U JP8101888U JP8101888U JPH023585U JP H023585 U JPH023585 U JP H023585U JP 8101888 U JP8101888 U JP 8101888U JP 8101888 U JP8101888 U JP 8101888U JP H023585 U JPH023585 U JP H023585U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- switching device
- video
- detection means
- connectors
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Digital Computer Display Output (AREA)
Description
第１図と第３図は本考案実施例の構成を示すブ
ロツク図、第２図は本考案実施例の動作タイミン
グを示す図である。
１，２，５，６，７……コネクタ、３，８，９
……リトリガブル単安定マルチバイブレータ、４
，１０，１１……セレクタ。
1 and 3 are block diagrams showing the configuration of the embodiment of the present invention, and FIG. 2 is a diagram showing the operation timing of the embodiment of the present invention. 1, 2, 5, 6, 7... Connector, 3, 8, 9
...Retriggerable monostable multivibrator, 4
, 10, 11...Selector.
Claims (1)
へ送る映像信号切換装置において、予め優先順位
が設定された複数個のコネクタと、優先順位の高
い方のコネクタより入力された映像信号中の同期
信号の有無を検出する検出手段と、この検出手段
の検出結果に応じて上記複数個のコネクタからの
映像信号を選択的に出力する映像信号選択手段と
を備えたことを特徴とする映像信号切換装置。 In a video signal switching device that selectively switches multiple video signals and sends them to a display device, there are multiple connectors with priorities set in advance, and a synchronization signal in the video signal input from the connector with the higher priority. A video signal switching device comprising: a detection means for detecting the presence or absence of a video signal; and a video signal selection means for selectively outputting video signals from the plurality of connectors according to the detection result of the detection means. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8101888U JPH023585U (en) | 1988-06-17 | 1988-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8101888U JPH023585U (en) | 1988-06-17 | 1988-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH023585U true JPH023585U (en) | 1990-01-10 |
Family
ID=31305823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8101888U Pending JPH023585U (en) | 1988-06-17 | 1988-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH023585U (en) |
-
1988
- 1988-06-17 JP JP8101888U patent/JPH023585U/ja active Pending
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