BR9202053A - Dispositivo de correcao da qualidade da imagem - Google Patents

Dispositivo de correcao da qualidade da imagem

Info

Publication number: BR9202053A
Authority: BR; Brazil
Prior art keywords: image quality; correction device; quality correction; image; quality
Prior art date: 1991-05-31

Application number

BR929202053A

Other languages

English (en)

Inventor

Mituo Funayama

Original Assignee

Sharp Kk

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.)

1991-05-31

Filing date

1992-05-29

Publication date

1993-01-19

1992-05-29 Application filed by Sharp Kk filed Critical Sharp Kk

1993-01-19 Publication of BR9202053A publication Critical patent/BR9202053A/pt

Links

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
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/931—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal
- 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
- 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)
Picture Signal Circuits (AREA)
Television Signal Processing For Recording (AREA)

BR929202053A 1991-05-31 1992-05-29 Dispositivo de correcao da qualidade da imagem BR9202053A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP3129734A JP2783696B2 (ja)	1991-05-31	1991-05-31	画質補正装置

Publications (1)

Publication Number	Publication Date
BR9202053A true BR9202053A (pt)	1993-01-19

Family

ID=15016886

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR929202053A BR9202053A (pt)	1991-05-31	1992-05-29	Dispositivo de correcao da qualidade da imagem

Country Status (12)

Country	Link
US (1)	US5299002A (pt)
EP (1)	EP0516463B1 (pt)
JP (1)	JP2783696B2 (pt)
KR (1)	KR960003358B1 (pt)
CN (1)	CN1034463C (pt)
AU (1)	AU639173B2 (pt)
BR (1)	BR9202053A (pt)
CA (1)	CA2060861C (pt)
DE (1)	DE69215756T2 (pt)
ES (1)	ES2094876T3 (pt)
MY (1)	MY108404A (pt)
SG (1)	SG55055A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2800373B2 (ja) *	1990-05-31	1998-09-21	松下電器産業株式会社	磁気録画再生装置の自動画質調整装置
US5486874A (en) *	1994-05-13	1996-01-23	Magma, Inc.	Method and apparatus for improving transmitted video signal structure
US5598225A (en) *	1994-05-13	1997-01-28	Magma, Inc.	Method and apparatus for improving transmitted video signal structure
KR100209886B1 (ko) *	1996-01-30	1999-07-15	윤종용	디지탈 자기기록재생장치
US5757436A (en) *	1996-06-21	1998-05-26	Magma, Inc.	Image processor system
US5940572A (en) *	1996-11-27	1999-08-17	Daewoo Electronics Co. Ltd.	Integrated television and video cassette recorder system
EP0934655A1 (en) *	1997-08-14	1999-08-11	Koninklijke Philips Electronics N.V.	Video recorder having playback-signal processing means adaptable to different playback qualities of video recordings
US6393194B1 (en) *	1997-10-16	2002-05-21	Victor Company Of Japan, Ltd.	Magnetic recording and reproducing video signal in magnetic tape at video quality selectable from prescribed different qualities
US7042518B1 (en) *	2002-04-29	2006-05-09	National Semiconductor Corporation	Digitally controlled variable frequency HF emphasis circuit for use in video displays
KR100696162B1 (ko) *	2006-08-11	2007-03-20	엠텍비젼 주식회사	이미지의 노이즈 감소 장치 및 노이즈 감소 방법, 이를수행하는 프로그램이 기록된 기록 매체
KR100810344B1 (ko) *	2006-10-10	2008-03-04	삼성전자주식회사	디지털 촬영 장치와 이를 이용한 스미어 현상 검출 및 보정방법
JP2009055164A (ja)	2007-08-24	2009-03-12	Seiko Epson Corp	画像処理装置、プロジェクタ、画像処理方法、および画像処理装置の制御方法
JP5007737B2 (ja) *	2009-09-18	2012-08-22	セイコーエプソン株式会社	プロジェクタ用の画像処理装置及びプロジェクタ
CN119254335B (zh) *	2024-12-04	2025-03-07	中国科学院国家授时中心	一种噪声抑制参数自调节的光纤光学频率传递中继系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4351003A (en) *	1981-04-20	1982-09-21	Rca Corporation	Automatic video signal peaking control
GB8329109D0 (en) *	1983-11-01	1983-12-07	Rca Corp	Perceived signal-to-noise ratio of displayed images
KR890004220B1 (ko) *	1984-06-30	1989-10-27	마쯔시다덴기산교 가부시기가이샤	영상신호 처리장치
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
US4860105A (en) *	1987-05-22	1989-08-22	Victor Company Of Japan, Ltd.	Noise Reducing circuit of a video signal
JPH01204573A (ja) *	1988-02-10	1989-08-17	Sony Corp	雑音低減回路
US5126846A (en) *	1988-08-08	1992-06-30	Kabushiki Kaisha Toshiba	Non-linear amplifier and non-linear emphasis/deemphasis circuit using the same
JPH02130164U (pt) *	1989-04-04	1990-10-26
JPH02301277A (ja) *	1989-05-15	1990-12-13	Toshiba Corp	映像信号の記録処理回路
JP2859322B2 (ja) *	1989-10-06	1999-02-17	株式会社東芝	ノンリニア・エンファシス・ディエンファシス回路
JP2601922B2 (ja) *	1989-10-12	1997-04-23	株式会社東芝	映像信号雑音低減回路

1991
- 1991-05-31 JP JP3129734A patent/JP2783696B2/ja not_active Expired - Fee Related
1992
- 1992-02-04 AU AU10744/92A patent/AU639173B2/en not_active Ceased
- 1992-02-07 CA CA002060861A patent/CA2060861C/en not_active Expired - Fee Related
- 1992-02-12 US US07/834,347 patent/US5299002A/en not_active Expired - Lifetime
- 1992-03-09 MY MYPI92000374A patent/MY108404A/en unknown
- 1992-05-28 CN CN92104085A patent/CN1034463C/zh not_active Expired - Fee Related
- 1992-05-29 SG SG1996003821A patent/SG55055A1/en unknown
- 1992-05-29 DE DE69215756T patent/DE69215756T2/de not_active Expired - Fee Related
- 1992-05-29 ES ES92304935T patent/ES2094876T3/es not_active Expired - Lifetime
- 1992-05-29 BR BR929202053A patent/BR9202053A/pt not_active IP Right Cessation
- 1992-05-29 EP EP92304935A patent/EP0516463B1/en not_active Expired - Lifetime
- 1992-05-30 KR KR1019920009428A patent/KR960003358B1/ko not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0516463A2 (en)	1992-12-02
KR920022830A (ko)	1992-12-19
JP2783696B2 (ja)	1998-08-06
CN1034463C (zh)	1997-04-02
AU639173B2 (en)	1993-07-15
US5299002A (en)	1994-03-29
CN1067546A (zh)	1992-12-30
CA2060861C (en)	1997-03-18
KR960003358B1 (ko)	1996-03-08
SG55055A1 (en)	1998-12-21
CA2060861A1 (en)	1992-12-01
DE69215756T2 (de)	1997-05-15
ES2094876T3 (es)	1997-02-01
DE69215756D1 (de)	1997-01-23
EP0516463A3 (en)	1993-03-24
MY108404A (en)	1996-09-30
JPH04354477A (ja)	1992-12-08
EP0516463B1 (en)	1996-12-11
AU1074492A (en)	1992-12-03

Legal Events

Date	Code	Title	Description
1998-04-14	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
1998-09-15	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
1999-04-13	FF	Decision: intention to grant
2000-01-11	FG9A	Patent or certificate of addition granted
2011-02-22	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 16A,17A E 18A ANUIDADES
2014-09-02	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-08	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2278 DE 02/09/2014 POR TER SIDO INDEVIDA.
2020-12-15	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 16A, 17A E 18A ANUIDADES.
2021-03-30	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

Publication	Publication Date	Title
DE69125472D1 (de)	1997-05-07	Bildkorrekturvorrichtung
DE69127232D1 (de)	1997-09-18	Bildkorrekturvorrichtung
DE69422074D1 (de)	2000-01-20	Bildkorrekturvorrichtung
EP0474420A3 (en)	1992-06-17	Image correction apparatus
DE69233409D1 (de)	2004-10-14	Bilderzeugungsgerät
DE69233751D1 (de)	2009-01-08	Bilderzeugungsgerät
DE69426736D1 (de)	2001-04-05	Bildqualitätskorrekturschaltung
DE69119949D1 (de)	1996-07-11	Bildsignalkorrekturverfahren
DE69209392D1 (de)	1996-05-02	Bildprojektor
PT97817A (pt)	1993-08-31	Dispositivo de sobreposicao de imagem para televisao
DE69215562D1 (de)	1997-01-16	Videosignalgradationskorrekturvorrichtung
DE69434941D1 (de)	2007-04-26	Bilderzeugungsgerät
DE69430515D1 (de)	2002-06-06	Bilderzeugungsgerät
DE69431084D1 (de)	2002-09-05	Bilderzeugungsgerät
DE69434898D1 (de)	2007-02-08	Bilderzeugungsgerät
DE69434863D1 (de)	2006-11-23	Bilderzeugungsgerät
BR9202053A (pt)	1993-01-19	Dispositivo de correcao da qualidade da imagem
DE69319078D1 (de)	1998-07-16	Bildprojektionsapparat
DE69434877D1 (de)	2006-12-14	Bilderzeugungsgerät
EP0529570A3 (en)	1993-09-29	Digital image correction device
DE69223841D1 (de)	1998-02-12	Bilderempfangsapparat
DE69130941D1 (de)	1999-04-08	Farbbildverarbeitungsgerät
KR890013928A (ko)	1989-09-26	화질 조정회로
DE69119681D1 (de)	1996-06-27	Halbtonbildverarbeitungsgerät
EP0461615A3 (en)	1992-03-04	Color image pickup apparatus