JPS643375U - - Google Patents
Info
- Publication number
- JPS643375U JPS643375U JP9765387U JP9765387U JPS643375U JP S643375 U JPS643375 U JP S643375U JP 9765387 U JP9765387 U JP 9765387U JP 9765387 U JP9765387 U JP 9765387U JP S643375 U JPS643375 U JP S643375U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- voltage
- contrast
- circuit
- average value
- 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
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9765387U JPH051182Y2 (en]) | 1987-06-25 | 1987-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9765387U JPH051182Y2 (en]) | 1987-06-25 | 1987-06-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS643375U true JPS643375U (en]) | 1989-01-10 |
| JPH051182Y2 JPH051182Y2 (en]) | 1993-01-13 |
Family
ID=31323266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9765387U Expired - Lifetime JPH051182Y2 (en]) | 1987-06-25 | 1987-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH051182Y2 (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0442678A (ja) * | 1990-06-07 | 1992-02-13 | Sharp Corp | 液晶表示装置 |
-
1987
- 1987-06-25 JP JP9765387U patent/JPH051182Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0442678A (ja) * | 1990-06-07 | 1992-02-13 | Sharp Corp | 液晶表示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH051182Y2 (en]) | 1993-01-13 |