JPS6321394B2 - - Google Patents
Info
- Publication number
- JPS6321394B2 JPS6321394B2 JP56096356A JP9635681A JPS6321394B2 JP S6321394 B2 JPS6321394 B2 JP S6321394B2 JP 56096356 A JP56096356 A JP 56096356A JP 9635681 A JP9635681 A JP 9635681A JP S6321394 B2 JPS6321394 B2 JP S6321394B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- noise
- circuit
- limiter
- subtracter
- 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.)
- Expired
Links
- 239000000284 extract Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/911—Television signal processing therefor for the suppression of noise
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Picture Signal Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56096356A JPS57211885A (en) | 1981-06-22 | 1981-06-22 | Noise reduction circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56096356A JPS57211885A (en) | 1981-06-22 | 1981-06-22 | Noise reduction circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57211885A JPS57211885A (en) | 1982-12-25 |
JPS6321394B2 true JPS6321394B2 (es) | 1988-05-06 |
Family
ID=14162710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56096356A Granted JPS57211885A (en) | 1981-06-22 | 1981-06-22 | Noise reduction circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57211885A (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1202413A (en) * | 1983-04-07 | 1986-03-25 | Shintaro Nakagaki | Noise reduction circuit for a video signal |
JPS60130278A (ja) * | 1983-12-16 | 1985-07-11 | Matsushita Electric Ind Co Ltd | 輝度信号処理装置 |
JPS6155253U (es) * | 1984-09-18 | 1986-04-14 | ||
JPH0636602B2 (ja) * | 1984-09-21 | 1994-05-11 | 株式会社日立製作所 | 雑音低減回路 |
JPS61208670A (ja) * | 1985-03-13 | 1986-09-17 | Victor Co Of Japan Ltd | ノイズ低減回路 |
JPS6251883A (ja) * | 1985-08-30 | 1987-03-06 | Victor Co Of Japan Ltd | ノイズ抑圧回路 |
JPS62130075A (ja) * | 1985-12-02 | 1987-06-12 | Sony Corp | 映像信号のノイズキヤンセル回路 |
JPH01123590A (ja) * | 1987-11-07 | 1989-05-16 | Mitsubishi Electric Corp | ビデオ信号処理回路 |
US5105275A (en) * | 1990-01-31 | 1992-04-14 | Sanyo Electric Co., Ltd. | Noise reduction circuit for video signal recording/reproduction device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5580966A (en) * | 1978-12-14 | 1980-06-18 | Matsushita Electric Ind Co Ltd | Noise eliminating system for television signal |
JPS5635580A (en) * | 1980-06-18 | 1981-04-08 | Hitachi Ltd | Noise suppressing device for television signal |
-
1981
- 1981-06-22 JP JP56096356A patent/JPS57211885A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5580966A (en) * | 1978-12-14 | 1980-06-18 | Matsushita Electric Ind Co Ltd | Noise eliminating system for television signal |
JPS5635580A (en) * | 1980-06-18 | 1981-04-08 | Hitachi Ltd | Noise suppressing device for television signal |
Also Published As
Publication number | Publication date |
---|---|
JPS57211885A (en) | 1982-12-25 |
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