JPS6310678U - - Google Patents
Info
- Publication number
- JPS6310678U JPS6310678U JP10584086U JP10584086U JPS6310678U JP S6310678 U JPS6310678 U JP S6310678U JP 10584086 U JP10584086 U JP 10584086U JP 10584086 U JP10584086 U JP 10584086U JP S6310678 U JPS6310678 U JP S6310678U
- Authority
- JP
- Japan
- Prior art keywords
- video
- signal
- circuit
- output circuit
- video input
- 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 description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
- Television Receiver Circuits (AREA)
Description
第１図はこの考案の映像入出力回路の一実施例
を示すブロツク図、第２図は第１図の映像入出力
回路における映像レベル検出回路の詳細を示す電
気回路図、第３図は従来の映像入力回路を示すブ
ロツク図である。
１……映像入力端子、２……バツフア回路、３
……絶縁回路、６……映像レベル検出回路、７…
…映像増幅器。なお、図中同一符号は同一または
相当部分を示す。
FIG. 1 is a block diagram showing an embodiment of the video input/output circuit of this invention, FIG. 2 is an electric circuit diagram showing details of the video level detection circuit in the video input/output circuit of FIG. 1, and FIG. 3 is a conventional circuit diagram. FIG. 2 is a block diagram showing a video input circuit of FIG. 1...Video input terminal, 2...Buffer circuit, 3
...Isolation circuit, 6...Video level detection circuit, 7...
...Video amplifier. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
またはいずれか一方のレベルを検出する検出手段
と、上記映像信号を増幅しかつ上記検出手段の出
力が帰還されることにより利得をコントロールし
て一定レベルの映像信号を出力する映像増幅器と
を備えてなる映像入出力回路。 A detection means for detecting the level of both or one of the synchronization signal and the burst signal among the video signals; A video input/output circuit comprising a video amplifier that outputs a video signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10584086U JPS6310678U (en) | 1986-07-08 | 1986-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10584086U JPS6310678U (en) | 1986-07-08 | 1986-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6310678U true JPS6310678U (en) | 1988-01-23 |
Family
ID=30980648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10584086U Pending JPS6310678U (en) | 1986-07-08 | 1986-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6310678U (en) |
-
1986
- 1986-07-08 JP JP10584086U patent/JPS6310678U/ja active Pending
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