JPS53126817A - Level controller of video signal - Google Patents
Level controller of video signalInfo
- Publication number
- JPS53126817A JPS53126817A JP4228977A JP4228977A JPS53126817A JP S53126817 A JPS53126817 A JP S53126817A JP 4228977 A JP4228977 A JP 4228977A JP 4228977 A JP4228977 A JP 4228977A JP S53126817 A JPS53126817 A JP S53126817A
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- level controller
- bright
- secure
- see
- 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
Abstract
PURPOSE: To secure an easy-to-see TV picture image by controlling the output level of the video signal according to the bright and the dark signals of the video signal.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4228977A JPS53126817A (en) | 1977-04-12 | 1977-04-12 | Level controller of video signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4228977A JPS53126817A (en) | 1977-04-12 | 1977-04-12 | Level controller of video signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53126817A true JPS53126817A (en) | 1978-11-06 |
JPS6226228B2 JPS6226228B2 (en) | 1987-06-08 |
Family
ID=12631872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4228977A Granted JPS53126817A (en) | 1977-04-12 | 1977-04-12 | Level controller of video signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53126817A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55150515U (en) * | 1979-04-14 | 1980-10-30 | ||
JPH01177112A (en) * | 1988-01-07 | 1989-07-13 | Sharp Corp | Mean voltage controller |
US4942314A (en) * | 1987-09-18 | 1990-07-17 | Sanyo Electric Co., Ltd. | Peak holding circuit for a color television receiver |
US4998170A (en) * | 1988-11-19 | 1991-03-05 | Sanyo Electric Co., Ltd. | Direct current restorer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5032004A (en) * | 1973-07-25 | 1975-03-28 |
-
1977
- 1977-04-12 JP JP4228977A patent/JPS53126817A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5032004A (en) * | 1973-07-25 | 1975-03-28 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55150515U (en) * | 1979-04-14 | 1980-10-30 | ||
US4942314A (en) * | 1987-09-18 | 1990-07-17 | Sanyo Electric Co., Ltd. | Peak holding circuit for a color television receiver |
JPH01177112A (en) * | 1988-01-07 | 1989-07-13 | Sharp Corp | Mean voltage controller |
US4998170A (en) * | 1988-11-19 | 1991-03-05 | Sanyo Electric Co., Ltd. | Direct current restorer |
Also Published As
Publication number | Publication date |
---|---|
JPS6226228B2 (en) | 1987-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5340211A (en) | Video signal processing circuit | |
JPS5290225A (en) | Television clock | |
JPS53126817A (en) | Level controller of video signal | |
JPS51131211A (en) | Video camera with automatic fading device | |
JPS5279729A (en) | Color adjusting circuit of color television | |
JPS53143125A (en) | Color control unit for color television receiver | |
JPS5212517A (en) | Binalizing device of video signal | |
JPS5416919A (en) | Automaic gain control circuit | |
JPS5418232A (en) | Chromakey tracking device | |
JPS52153333A (en) | Color tv unit | |
JPS5442929A (en) | Television picture receiver | |
JPS5356921A (en) | Exposure control system for television caemra | |
JPS5318911A (en) | Picture quality control unit for television receiver | |
JPS5275218A (en) | Picture quality adjusting unit | |
JPS53140925A (en) | Television receiver | |
JPS5436122A (en) | Generator for still picture signal | |
JPS51131210A (en) | Video camera | |
JPS5437627A (en) | Picture quality adjusting circuit | |
JPS5441016A (en) | Reproducing device of color video signal | |
JPS5258416A (en) | Focus voltage adjusting method | |
JPS5366329A (en) | Reproducing unit for still picture | |
JPS53109427A (en) | Picture synthesizing system | |
JPS52103914A (en) | Television | |
JPS5432226A (en) | Color television pick up system | |
JPS5265619A (en) | Color television image receiver |