JPH02874U - - Google Patents
Info
- Publication number
- JPH02874U JPH02874U JP1988077985U JP7798588U JPH02874U JP H02874 U JPH02874 U JP H02874U JP 1988077985 U JP1988077985 U JP 1988077985U JP 7798588 U JP7798588 U JP 7798588U JP H02874 U JPH02874 U JP H02874U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- detecting
- played back
- contrast
- switching
- 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
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Studio Circuits (AREA)
Description
第１図は本考案の一実施例を示すブロツク図で
ある。
１，２…入力端子、３…映像信号合成装置、４
…再生検出回路、５…コントラスト切替部、６…
出力端子。
FIG. 1 is a block diagram showing one embodiment of the present invention. 1, 2...Input terminal, 3...Video signal synthesis device, 4
...Reproduction detection circuit, 5...Contrast switching section, 6...
Output terminal.
Claims (1)
置において、第１の映像信号が再生中であること
を検出する手段と、該手段からの検出信号に応答
して第２の映像信号のコントラストを切替える手
段とを備えたことを特徴とする映像信号合成装置
におけるコントラスト自動切替装置。 A device for combining and outputting first and second video signals, comprising means for detecting that the first video signal is being played back, and a means for detecting that the first video signal is being played back; 1. An automatic contrast switching device in a video signal synthesis device, comprising: means for switching contrast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988077985U JPH02874U (en) | 1988-06-13 | 1988-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988077985U JPH02874U (en) | 1988-06-13 | 1988-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02874U true JPH02874U (en) | 1990-01-05 |
Family
ID=31302936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988077985U Pending JPH02874U (en) | 1988-06-13 | 1988-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02874U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6074786A (en) * | 1983-09-29 | 1985-04-27 | Sanyo Electric Co Ltd | Television receiver |
-
1988
- 1988-06-13 JP JP1988077985U patent/JPH02874U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6074786A (en) * | 1983-09-29 | 1985-04-27 | Sanyo Electric Co Ltd | Television receiver |