JPS55114089A - Picture-quality improving circuit of color television receiver - Google Patents
Picture-quality improving circuit of color television receiverInfo
- Publication number
- JPS55114089A JPS55114089A JP1973379A JP1973379A JPS55114089A JP S55114089 A JPS55114089 A JP S55114089A JP 1973379 A JP1973379 A JP 1973379A JP 1973379 A JP1973379 A JP 1973379A JP S55114089 A JPS55114089 A JP S55114089A
- Authority
- JP
- Japan
- Prior art keywords
- frequency component
- low
- picture
- signal
- control
- 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
- 238000001514 detection method Methods 0.000 abstract 1
Landscapes
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1973379A JPS55114089A (en) | 1979-02-23 | 1979-02-23 | Picture-quality improving circuit of color television receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1973379A JPS55114089A (en) | 1979-02-23 | 1979-02-23 | Picture-quality improving circuit of color television receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55114089A true JPS55114089A (en) | 1980-09-03 |
JPS6219115B2 JPS6219115B2 (enrdf_load_stackoverflow) | 1987-04-27 |
Family
ID=12007511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1973379A Granted JPS55114089A (en) | 1979-02-23 | 1979-02-23 | Picture-quality improving circuit of color television receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55114089A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0213179A (ja) * | 1988-04-06 | 1990-01-17 | Yves C Faroudja | ローレベル遷移の遷移レベルブーストを行う遷移レベルブースタ |
US5621480A (en) * | 1993-04-19 | 1997-04-15 | Mitsubishi Denki Kabushiki Kaisha | Image quality correction circuit and method based on color density |
US6002448A (en) * | 1993-04-19 | 1999-12-14 | Mitsubishi Denki Kabushiki Kaisha | Image quality correction circuit and method based on color density |
-
1979
- 1979-02-23 JP JP1973379A patent/JPS55114089A/ja active Granted
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0213179A (ja) * | 1988-04-06 | 1990-01-17 | Yves C Faroudja | ローレベル遷移の遷移レベルブーストを行う遷移レベルブースタ |
US5621480A (en) * | 1993-04-19 | 1997-04-15 | Mitsubishi Denki Kabushiki Kaisha | Image quality correction circuit and method based on color density |
US5663769A (en) * | 1993-04-19 | 1997-09-02 | Mitsubishi Denki Kabushiki Kaisha | Image quality correction circuit based on color density |
US5910823A (en) * | 1993-04-19 | 1999-06-08 | Mitsubishi Denki Kabushiki Kaisha | Image quality correction circuit and method based on color density |
US6002448A (en) * | 1993-04-19 | 1999-12-14 | Mitsubishi Denki Kabushiki Kaisha | Image quality correction circuit and method based on color density |
US6018373A (en) * | 1993-04-19 | 2000-01-25 | Mitsubishi Denki Kabushiki Kaisha | Image quality correction circuit and method based on color density |
US6023304A (en) * | 1993-04-19 | 2000-02-08 | Mitsubishi Denki Kabushiki Kaisha | Image quality correction circuit and method based on color density |
US6081302A (en) * | 1993-04-19 | 2000-06-27 | Mitsubishi Denki Kabushiki Kaisha | Image quality correction circuit and method based on color density |
Also Published As
Publication number | Publication date |
---|---|
JPS6219115B2 (enrdf_load_stackoverflow) | 1987-04-27 |
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