JPS5259519A - Noise suppression circuit - Google Patents
Noise suppression circuitInfo
- Publication number
- JPS5259519A JPS5259519A JP50135799A JP13579975A JPS5259519A JP S5259519 A JPS5259519 A JP S5259519A JP 50135799 A JP50135799 A JP 50135799A JP 13579975 A JP13579975 A JP 13579975A JP S5259519 A JPS5259519 A JP S5259519A
- Authority
- JP
- Japan
- Prior art keywords
- noise suppression
- suppression circuit
- noise
- noise component
- gating
- 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
Landscapes
- Picture Signal Circuits (AREA)
Abstract
PURPOSE: Composite video signals are improved in quality, by gating the noise component of the synch signal period only and by suppressing the noise component by feeding back the detection signal which corresponds to the quantity of the noise.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50135799A JPS5259519A (en) | 1975-11-11 | 1975-11-11 | Noise suppression circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50135799A JPS5259519A (en) | 1975-11-11 | 1975-11-11 | Noise suppression circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5259519A true JPS5259519A (en) | 1977-05-17 |
Family
ID=15160082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50135799A Pending JPS5259519A (en) | 1975-11-11 | 1975-11-11 | Noise suppression circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5259519A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61154286A (en) * | 1984-12-26 | 1986-07-12 | Casio Comput Co Ltd | Noise reducing device |
JPH04349786A (en) * | 1991-05-27 | 1992-12-04 | Fujitsu General Ltd | Automatic picture quality adjustment circuit |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4964330A (en) * | 1972-10-20 | 1974-06-21 | ||
JPS49120528A (en) * | 1973-03-16 | 1974-11-18 | ||
JPS49131334A (en) * | 1973-04-19 | 1974-12-17 |
-
1975
- 1975-11-11 JP JP50135799A patent/JPS5259519A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4964330A (en) * | 1972-10-20 | 1974-06-21 | ||
JPS49120528A (en) * | 1973-03-16 | 1974-11-18 | ||
JPS49131334A (en) * | 1973-04-19 | 1974-12-17 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61154286A (en) * | 1984-12-26 | 1986-07-12 | Casio Comput Co Ltd | Noise reducing device |
JPH04349786A (en) * | 1991-05-27 | 1992-12-04 | Fujitsu General Ltd | Automatic picture quality adjustment circuit |
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