ATE113781T1 - Schaltungen zur rauschverminderung. - Google Patents

Schaltungen zur rauschverminderung.

Info

Publication number: ATE113781T1
Authority: AT; Austria
Prior art keywords: signal; level; noise; control; input signal
Prior art date: 1988-02-10

Application number

AT89301173T

Other languages

English (en)

Inventor

Hiroaki C O Patents Matsumoto

Kitashinagawa

Tetsuya C O Patents Divi Senda

Tokuya C O Patents Divi Fukuda

Original Assignee

Sony Corp

Priority date (The priority date 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 date listed.)

1988-02-10

Filing date

1989-02-07

Publication date

1994-11-15

1989-02-07 Application filed by Sony Corp filed Critical Sony Corp

1994-11-15 Application granted granted Critical

1994-11-15 Publication of ATE113781T1 publication Critical patent/ATE113781T1/de

Links

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
- H04N5/213—Circuitry for suppressing or minimising impulsive noise
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
- 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)
Picture Signal Circuits (AREA)
Noise Elimination (AREA)
Details Of Television Scanning (AREA)
Exhaust Silencers (AREA)

AT89301173T 1988-02-10 1989-02-07 Schaltungen zur rauschverminderung. ATE113781T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP63029824A JPH01204573A (ja)	1988-02-10	1988-02-10	雑音低減回路

Publications (1)

Publication Number	Publication Date
ATE113781T1 true ATE113781T1 (de)	1994-11-15

Family

ID=12286772

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT89301173T ATE113781T1 (de)	1988-02-10	1989-02-07	Schaltungen zur rauschverminderung.

Country Status (8)

Country	Link
US (1)	US4926261A (de)
EP (1)	EP0328346B1 (de)
JP (1)	JPH01204573A (de)
KR (1)	KR0126474B1 (de)
AT (1)	ATE113781T1 (de)
AU (1)	AU625496B2 (de)
CA (1)	CA1338217C (de)
DE (1)	DE68919094T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH088511B2 (ja) *	1987-01-23	1996-01-29	クラリオン株式会社	パルス性雑音除去装置
US4899389A (en) *	1987-02-17	1990-02-06	Clarion Co., Ltd.	Pulsating noise removal device
US5140424A (en) *	1987-07-07	1992-08-18	Canon Kabushiki Kaisha	Image signal processing apparatus with noise reduction
US5016104A (en) *	1989-06-22	1991-05-14	Massachusetts Institute Of Technology	Receiver-compatible noise reduction systems
JP2601922B2 (ja) *	1989-10-12	1997-04-23	株式会社東芝	映像信号雑音低減回路
US5136385A (en) *	1990-01-17	1992-08-04	Campbell Jack J	Adaptive vertical gray scale filter for television scan converter
JPH03236684A (ja) *	1990-02-14	1991-10-22	Fujitsu General Ltd	ビデオノイズリダクション回路
US5260775A (en) *	1990-03-30	1993-11-09	Farouda Yves C	Time domain television noise reduction system
KR920010938B1 (ko) *	1990-05-21	1992-12-24	삼성전자 주식회사	화면 밝기에 따른 수직 윤곽조정 회로
US5144435A (en) *	1990-06-01	1992-09-01	At&T Bell Laboratories	Noise immunity in N signals
US5249064A (en) *	1990-07-02	1993-09-28	Akai Electric Co., Ltd.	Noise canceller for use in a magnetic reproducing apparatus
GB9022743D0 (en) *	1990-10-19	1991-04-03	Marconi Gec Ltd	Noise reduction of video signal
JPH04241580A (ja) *	1991-01-14	1992-08-28	Hitachi Ltd	波形等化装置
JP2783696B2 (ja) *	1991-05-31	1998-08-06	シャープ株式会社	画質補正装置
US5278638A (en) *	1991-09-30	1994-01-11	Pioneer Electronic Corporation	Noise reducing circuit for images
JPH05268501A (ja) *	1991-12-27	1993-10-15	Gold Star Co Ltd	衛星放送受信システム
US5255078A (en) *	1992-06-29	1993-10-19	Rca Thomson Licensing Corporation	Impulse noise detector for a video signal receiver
US5903316A (en) *	1992-12-25	1999-05-11	Canon Kabushiki Kaisha	Information signal processing apparatus
EP0731601B2 (de) *	1995-03-06	2006-10-18	Matsushita Electric Industrial Co., Ltd.	Vorrichtung zur Videorauschreduktion
US5818972A (en) *	1995-06-07	1998-10-06	Realnetworks, Inc.	Method and apparatus for enhancing images using helper signals
JP3540528B2 (ja) *	1995-12-27	2004-07-07	三洋電機株式会社	ノイズ除去回路
US5959693A (en) *	1997-05-07	1999-09-28	General Instrument Corporation	Pixel adaptive noise reduction filter for digital video
US5963262A (en) *	1997-06-30	1999-10-05	Cirrus Logic, Inc.	System and method for scaling images and reducing flicker in interlaced television images converted from non-interlaced computer graphics data
US7009662B2 (en) *	2000-03-24	2006-03-07	Koninklijke Philips Electronics N.V.	Electronic circuit and method for enhancing an image
DE10214411A1 (de) *	2002-03-30	2003-10-09	Bts Media Solutions Gmbh	Schaltung zur Verarbeitung von Videosignalen

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3278866A (en) *	1959-10-23	1966-10-11	Amar G Bose	Selective transmission
DE1613618C3 (de) *	1967-08-29	1979-12-20	Danfoss A/S, Nordborg (Daenemark)	Dreiphasengenerator mit elektronischen, aus einer Gleichspannungsquelle gespeisten Bauelementen
JPS55156431A (en) *	1979-05-24	1980-12-05	Sony Corp	Noise reduction system
US4361881A (en) *	1980-11-21	1982-11-30	Rca Corporation	Video disc player with RFI reduction circuit including signal subtraction
CA1202413A (en) *	1983-04-07	1986-03-25	Shintaro Nakagaki	Noise reduction circuit for a video signal
US4573075A (en) *	1983-06-24	1986-02-25	Rca Corporation	Digital signal coring apparatus with controllable coring threshold level
NL8302984A (nl) *	1983-08-26	1985-03-18	Philips Nv	Beeldweergeefinrichting met een ruisdetektor.
US4646138A (en) *	1985-03-25	1987-02-24	Rca Corporation	Video signal recursive filter with luma/chroma separation
DE3530299A1 (de) *	1985-08-26	1987-03-05	Bosch Gmbh Robert	Schaltungsanordnung zur reduzierung des kantenrauschens bei der uebertragung von videosignalen
JPS6251883A (ja) *	1985-08-30	1987-03-06	Victor Co Of Japan Ltd	ノイズ抑圧回路
JPS62100034A (ja) *	1985-10-26	1987-05-09	Toshiba Corp	妨害波除去装置の妨害周波数検出回路
JPH07105929B2 (ja) *	1986-11-11	1995-11-13	松下電器産業株式会社	映像信号処理装置
JP2601810B2 (ja) *	1986-12-22	1997-04-16	株式会社東芝	雑音低減回路
JPS6416078A (en) *	1987-07-09	1989-01-19	Mitsubishi Electric Corp	Noise reduction circuit
JPS6416077A (en) *	1987-07-09	1989-01-19	Mitsubishi Electric Corp	Noise reduction circuit

1988
- 1988-02-10 JP JP63029824A patent/JPH01204573A/ja active Pending
1989
- 1989-02-03 CA CA000590028A patent/CA1338217C/en not_active Expired - Fee Related
- 1989-02-03 AU AU29603/89A patent/AU625496B2/en not_active Ceased
- 1989-02-06 US US07/306,382 patent/US4926261A/en not_active Expired - Lifetime
- 1989-02-07 DE DE68919094T patent/DE68919094T2/de not_active Expired - Fee Related
- 1989-02-07 EP EP89301173A patent/EP0328346B1/de not_active Expired - Lifetime
- 1989-02-07 AT AT89301173T patent/ATE113781T1/de not_active IP Right Cessation
- 1989-02-09 KR KR1019890001440A patent/KR0126474B1/ko not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0328346A3 (de)	1991-04-24
KR0126474B1 (ko)	1997-12-19
EP0328346A2 (de)	1989-08-16
EP0328346B1 (de)	1994-11-02
DE68919094T2 (de)	1995-03-30
DE68919094D1 (de)	1994-12-08
AU2960389A (en)	1989-08-10
AU625496B2 (en)	1992-07-16
JPH01204573A (ja)	1989-08-17
KR890013929A (ko)	1989-09-26
CA1338217C (en)	1996-04-02
US4926261A (en)	1990-05-15

Legal Events

Date	Code	Title	Description
2003-11-15	REN	Ceased due to non-payment of the annual fee

Publication	Publication Date	Title
DE68919094D1 (de)	1994-12-08	Schaltungen zur Rauschverminderung.
DE69131230D1 (de)	1999-06-17	Lineare verstärkungsregelung eines verstärkers
KR850008245A (ko)	1985-12-13	필터(filter)집적회로
CA2088750A1 (en)	1993-08-06	Linearized output control of a nonlinear amplifier
GR3004982T3 (de)	1993-04-28
JPS553235A (en)	1980-01-11	Pulse noise detection circuit
JPS6430071A (en)	1989-01-31	Reproducing circuit for digital optical disk
FR2683695B1 (fr)	1995-10-13	Procede et dispositif d'egalisation dynamique.
JPS6416080A (en)	1989-01-19	Noise reduction circuit
ATE50672T1 (de)	1990-03-15	Schaltungsanordnung zur lautstaerkestellung.
JPS56107648A (en)	1981-08-26	Noise reduction circuit
JPS57164605A (en)	1982-10-09	Amplifier
JPS5583352A (en)	1980-06-23	Noise reduction unit on signal compression and expansion system
SU1279054A2 (ru)	1986-12-23	Управл емый фильтр
JPS57107621A (en)	1982-07-05	Amplifying circuit
KR900005444Y1 (ko)	1990-06-18	마이크 믹싱레벨 자동조절회로
JPS558657A (en)	1980-01-22	Signal delay circuit
JPS5723332A (en)	1982-02-06	Muting device
JPS56137720A (en)	1981-10-27	Receiving circuit for amplitude-modulated wave
JPS6471281A (en)	1989-03-16	Signal discriminator
EP0451283A4 (en)	1992-04-08	Processing circuit for video signal
JPS5726940A (en)	1982-02-13	Agc circuit
JPS553236A (en)	1980-01-11	Pulse noise detection circuit
JPS6455971A (en)	1989-03-02	Noise reducing circuit
JPS6430400A (en)	1989-02-01	Acoustic signal processing circuit