JPS5266321A - Picture quality improving unit - Google Patents
Picture quality improving unitInfo
- Publication number
- JPS5266321A JPS5266321A JP14322475A JP14322475A JPS5266321A JP S5266321 A JPS5266321 A JP S5266321A JP 14322475 A JP14322475 A JP 14322475A JP 14322475 A JP14322475 A JP 14322475A JP S5266321 A JPS5266321 A JP S5266321A
- Authority
- JP
- Japan
- Prior art keywords
- picture quality
- quality improving
- improving unit
- video signal
- level
- 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
Abstract
PURPOSE: At the portion where the level of the video signal fluctuates, the delay time is varied according to level fluctuation, thereby removing the noise at the border line of the video signal and decreasing the unnatural of the picture quality.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14322475A JPS5266321A (en) | 1975-11-30 | 1975-11-30 | Picture quality improving unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14322475A JPS5266321A (en) | 1975-11-30 | 1975-11-30 | Picture quality improving unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5266321A true JPS5266321A (en) | 1977-06-01 |
Family
ID=15333769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14322475A Pending JPS5266321A (en) | 1975-11-30 | 1975-11-30 | Picture quality improving unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5266321A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5397331A (en) * | 1977-02-04 | 1978-08-25 | Sony Corp | Video signal process circuit |
JPS5498117A (en) * | 1978-01-20 | 1979-08-02 | Hitachi Ltd | Automatic picture quality control circuit |
US5237625A (en) * | 1990-04-24 | 1993-08-17 | Matsushita Electric Industrial Co., Ltd. | Image contour enhancing device |
-
1975
- 1975-11-30 JP JP14322475A patent/JPS5266321A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5397331A (en) * | 1977-02-04 | 1978-08-25 | Sony Corp | Video signal process circuit |
JPS6217427B2 (en) * | 1977-02-04 | 1987-04-17 | Sony Corp | |
JPS5498117A (en) * | 1978-01-20 | 1979-08-02 | Hitachi Ltd | Automatic picture quality control circuit |
JPS6238903B2 (en) * | 1978-01-20 | 1987-08-20 | Hitachi Ltd | |
US5237625A (en) * | 1990-04-24 | 1993-08-17 | Matsushita Electric Industrial Co., Ltd. | Image contour enhancing device |
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