JPH0153832B2 - - Google Patents
Info
- Publication number
- JPH0153832B2 JPH0153832B2 JP57062816A JP6281682A JPH0153832B2 JP H0153832 B2 JPH0153832 B2 JP H0153832B2 JP 57062816 A JP57062816 A JP 57062816A JP 6281682 A JP6281682 A JP 6281682A JP H0153832 B2 JPH0153832 B2 JP H0153832B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- level
- circuit
- noise
- output
- 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
- 230000009467 reduction Effects 0.000 claims description 10
- 239000000284 extract Substances 0.000 claims 2
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 18
- 230000000630 rising effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Noise Elimination (AREA)
- Picture Signal Circuits (AREA)
- Television Signal Processing For Recording (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57062816A JPS58179031A (ja) | 1982-04-15 | 1982-04-15 | ノイズリダクシヨン回路 |
DE3313430A DE3313430C2 (de) | 1982-04-15 | 1983-04-13 | Rauschunterdrückungsschaltung |
GB08310064A GB2119205B (en) | 1982-04-15 | 1983-04-14 | Video noise reduction circuit having improved transient characteristics |
FR8306122A FR2525418B1 (fr) | 1982-04-15 | 1983-04-14 | Circuit de reduction de bruit video presentant des caracteristiques transitoires ameliorees |
US06/800,105 US4613905A (en) | 1982-04-15 | 1985-11-22 | Video noise reduction circuit having improved transient characteristics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57062816A JPS58179031A (ja) | 1982-04-15 | 1982-04-15 | ノイズリダクシヨン回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58179031A JPS58179031A (ja) | 1983-10-20 |
JPH0153832B2 true JPH0153832B2 (ko) | 1989-11-15 |
Family
ID=13211230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57062816A Granted JPS58179031A (ja) | 1982-04-15 | 1982-04-15 | ノイズリダクシヨン回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58179031A (ko) |
-
1982
- 1982-04-15 JP JP57062816A patent/JPS58179031A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58179031A (ja) | 1983-10-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4768094A (en) | Noise suppressing circuit with gain control | |
JPH0154915B2 (ko) | ||
US4571613A (en) | Noise reduction circuit for a video signal using a feedback type comb filter and an equalizer circuit | |
JPH0241951B2 (ko) | ||
KR100188460B1 (ko) | 영상신호 기록재생 장치를 위한 잡음감소회로 | |
US5079633A (en) | Video signal processor for removing high frequency noise component | |
JPH0153832B2 (ko) | ||
JPH0153831B2 (ko) | ||
JPH0153833B2 (ko) | ||
JPH026710Y2 (ko) | ||
JPS634753B2 (ko) | ||
US5287174A (en) | Vertical resolution correcting circuit for video signal | |
JPH0795843B2 (ja) | 映像信号の記録/再生装置 | |
GB2234133A (en) | Video noise reduction apparatus | |
KR0138328B1 (ko) | 자기기록재생장치에 있어서 다기능공유방법 및 회로 | |
JPS63266983A (ja) | 映像信号処理装置 | |
JP2535826B2 (ja) | ノイズキャンセル回路 | |
JPH0711898B2 (ja) | エンファシス回路 | |
JP2834140B2 (ja) | 映像信号記録方法 | |
JPS58179077A (ja) | 映像信号の画像劣化補正方法 | |
JPH0356915Y2 (ko) | ||
JPH0516791B2 (ko) | ||
JPH0799863B2 (ja) | 雑音低減回路 | |
JPH02239778A (ja) | 雑音軽減回路 | |
JPS6412152B2 (ko) |