JPS52139408A - Noise removing circuit - Google Patents
Noise removing circuitInfo
- Publication number
- JPS52139408A JPS52139408A JP5621576A JP5621576A JPS52139408A JP S52139408 A JPS52139408 A JP S52139408A JP 5621576 A JP5621576 A JP 5621576A JP 5621576 A JP5621576 A JP 5621576A JP S52139408 A JPS52139408 A JP S52139408A
- Authority
- JP
- Japan
- Prior art keywords
- noise removing
- removing circuit
- linear
- vtr
- noises
- 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
Landscapes
- Television Signal Processing For Recording (AREA)
Abstract
PURPOSE: To remove the noises in the linear and surface scanning directions from a video image signal of VTR by making the video signal pass through a saw-tooth filter and a non-linear circuit.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5621576A JPS52139408A (en) | 1976-05-17 | 1976-05-17 | Noise removing circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5621576A JPS52139408A (en) | 1976-05-17 | 1976-05-17 | Noise removing circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52139408A true JPS52139408A (en) | 1977-11-21 |
JPS6139792B2 JPS6139792B2 (en) | 1986-09-05 |
Family
ID=13020872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5621576A Granted JPS52139408A (en) | 1976-05-17 | 1976-05-17 | Noise removing circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52139408A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54143021A (en) * | 1978-04-28 | 1979-11-07 | Sony Corp | Processing circuit of video signal |
JPS5755671A (en) * | 1980-08-20 | 1982-04-02 | Philips Nv | Noise suppressing circuit |
JPS61173585A (en) * | 1985-01-28 | 1986-08-05 | Mitsubishi Electric Corp | Processing circuit of color video signal |
WO1988007309A1 (en) * | 1987-03-19 | 1988-09-22 | Sony Corporation | Circuit for reducing noise |
-
1976
- 1976-05-17 JP JP5621576A patent/JPS52139408A/en active Granted
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54143021A (en) * | 1978-04-28 | 1979-11-07 | Sony Corp | Processing circuit of video signal |
JPS6222318B2 (en) * | 1978-04-28 | 1987-05-18 | Sony Corp | |
JPS5755671A (en) * | 1980-08-20 | 1982-04-02 | Philips Nv | Noise suppressing circuit |
JPH0217986B2 (en) * | 1980-08-20 | 1990-04-24 | Fuiritsupusu Furuuiranpenfuaburiken Nv | |
JPS61173585A (en) * | 1985-01-28 | 1986-08-05 | Mitsubishi Electric Corp | Processing circuit of color video signal |
JPH0691629B2 (en) * | 1985-01-28 | 1994-11-14 | 三菱電機株式会社 | Color video signal processing circuit |
WO1988007309A1 (en) * | 1987-03-19 | 1988-09-22 | Sony Corporation | Circuit for reducing noise |
GB2209448A (en) * | 1987-03-19 | 1989-05-10 | Sony Corp | Circuit for reducing noise |
US4961113A (en) * | 1987-03-19 | 1990-10-02 | Sony Corporation | Noise reduction circuit |
GB2209448B (en) * | 1987-03-19 | 1991-01-09 | Sony Corp | Noise reduction circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS6139792B2 (en) | 1986-09-05 |
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