EG18839A - An automatic contrast controller - Google Patents
An automatic contrast controllerInfo
- Publication number
- EG18839A EG18839A EG35189A EG35189A EG18839A EG 18839 A EG18839 A EG 18839A EG 35189 A EG35189 A EG 35189A EG 35189 A EG35189 A EG 35189A EG 18839 A EG18839 A EG 18839A
- Authority
- EG
- Egypt
- Prior art keywords
- automatic contrast
- contrast controller
- controller
- automatic
- contrast
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR880019997 | 1988-12-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
EG18839A true EG18839A (en) | 1994-12-30 |
Family
ID=19281869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EG35189A EG18839A (en) | 1988-12-01 | 1989-07-24 | An automatic contrast controller |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN2054240U (en) |
EG (1) | EG18839A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3783645B2 (en) | 2002-04-05 | 2006-06-07 | 株式会社日立製作所 | Contrast adjustment method, contrast adjustment circuit, and video display device using the same |
CN100466059C (en) * | 2004-09-29 | 2009-03-04 | Tcl王牌电子(深圳)有限公司 | Brightness signal limiter circuit based amplification on negative feedback |
CN102122495B (en) * | 2010-12-29 | 2014-09-03 | 上海申瑞继保电气有限公司 | Contrast regulating circuit for liquid crystal display screen |
-
1989
- 1989-07-20 CN CN 89214294 patent/CN2054240U/en not_active Expired - Lifetime
- 1989-07-24 EG EG35189A patent/EG18839A/en active
Also Published As
Publication number | Publication date |
---|---|
CN2054240U (en) | 1990-03-07 |
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