JPS63149668U - - Google Patents
Info
- Publication number
- JPS63149668U JPS63149668U JP4157987U JP4157987U JPS63149668U JP S63149668 U JPS63149668 U JP S63149668U JP 4157987 U JP4157987 U JP 4157987U JP 4157987 U JP4157987 U JP 4157987U JP S63149668 U JPS63149668 U JP S63149668U
- Authority
- JP
- Japan
- Prior art keywords
- black level
- circuit
- video signal
- correction circuit
- level correction
- 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 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Picture Signal Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4157987U JPS63149668U (fr) | 1987-03-20 | 1987-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4157987U JPS63149668U (fr) | 1987-03-20 | 1987-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63149668U true JPS63149668U (fr) | 1988-10-03 |
Family
ID=30856711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4157987U Pending JPS63149668U (fr) | 1987-03-20 | 1987-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63149668U (fr) |
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1987
- 1987-03-20 JP JP4157987U patent/JPS63149668U/ja active Pending