DE69420814D1 - Nichtlineare Signalverarbeitung - Google Patents

Nichtlineare Signalverarbeitung

Info

Publication number: DE69420814D1
Authority: DE; Germany
Prior art keywords: signal processing; nonlinear signal; nonlinear; processing; signal
Prior art date: 1993-11-23
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 - Lifetime

Application number

DE69420814T

Other languages

English (en)

Other versions

DE69420814T2 (de

Inventor

Cornelis Antonie Maria Jaspers

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Entropic Communications LLC

Original Assignee

Koninklijke Philips Electronics NV

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.)

1993-11-23

Filing date

1994-11-17

Publication date

1999-10-28

1994-11-17 Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV

1999-10-28 Application granted granted Critical

1999-10-28 Publication of DE69420814D1 publication Critical patent/DE69420814D1/de

2000-04-27 Publication of DE69420814T2 publication Critical patent/DE69420814T2/de

2014-11-18 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- H04N5/20—Circuitry for controlling amplitude response

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Amplifiers (AREA)
Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

DE69420814T 1993-11-23 1994-11-17 Nichtlineare Signalverarbeitung Expired - Lifetime DE69420814T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BE9301294A BE1007777A3 (nl)	1993-11-23	1993-11-23	Niet-lineaire signaalverwerking.

Publications (2)

Publication Number	Publication Date
DE69420814D1 true DE69420814D1 (de)	1999-10-28
DE69420814T2 DE69420814T2 (de)	2000-04-27

Family

ID=3887574

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69420814T Expired - Lifetime DE69420814T2 (de)	1993-11-23	1994-11-17	Nichtlineare Signalverarbeitung

Country Status (5)

Country	Link
US (1)	US5537071A (de)
EP (1)	EP0654942B1 (de)
JP (1)	JP3980660B2 (de)
BE (1)	BE1007777A3 (de)
DE (1)	DE69420814T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
MY118340A (en) *	1997-03-06	2004-10-30	Matsushita Electric Ind Co Ltd	Histogram generator.
DE19722358A1 (de) *	1997-05-28	1998-12-03	Thomson Brandt Gmbh	Verfahren zur Bearbeitung von Übergangsbereichen in einem Bildsignal
EP0925683B1 (de) *	1997-07-14	2005-01-19	Koninklijke Philips Electronics N.V.	Umgebungslichtabhängige videosignalverarbeitung
US6791576B1 (en)	2000-02-23	2004-09-14	Neomagic Corp.	Gamma correction using double mapping with ratiometrically-related segments of two different ratios
JP3986732B2 (ja) *	2000-06-21	2007-10-03	パイオニア株式会社	映像信号の輝度レベル補正装置
EP1345172A1 (de) *	2002-02-26	2003-09-17	Sony International (Europe) GmbH	Kontrastverbesserung in digitalen Bildern
US8295596B1 (en)	2005-12-07	2012-10-23	Marvell International Ltd.	Adaptive histogram-based video contrast enhancement
JP4760433B2 (ja) *	2006-02-16	2011-08-31	ソニー株式会社	画像処理装置および画像処理方法、並びにプログラム
JP4760434B2 (ja) *	2006-02-16	2011-08-31	ソニー株式会社	画像処理装置および画像処理方法、並びにプログラム
US7669674B2 (en) *	2006-08-11	2010-03-02	Hall David R	Degradation assembly

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4550340A (en) *	1984-02-06	1985-10-29	Rca Corporation	Apparatus for frame-to-frame comb filtering composite TV signal
US4553158A (en) *	1984-02-06	1985-11-12	Rca Corporation	Circuitry for correcting motion induced errors in frame comb filtered video signals
US4597007A (en) *	1984-02-06	1986-06-24	Rca Corporation	Circuitry for correcting frame combed luminance signal for motion induced distortion
US4642676A (en) *	1984-09-10	1987-02-10	Color Systems Technology, Inc.	Priority masking techniques for video special effects
US5089890A (en) *	1989-02-06	1992-02-18	Canon Kabushiki Kaisha	Gamma correction device
US5023711A (en) *	1989-10-16	1991-06-11	Eastman Kodak Company	Line scanning apparatus using staggered linear segments with adjoining overlap regions
US5258928A (en) *	1990-05-03	1993-11-02	Rca Thomson Licensing Corporation	Parts efficient memory based functional circuit having selectable transfer characteristics
JPH04183177A (ja) *	1990-11-19	1992-06-30	Matsushita Electric Ind Co Ltd	累積ヒストグラム回路および補間回路および画質補正回路
US5289282A (en) *	1991-05-28	1994-02-22	Matsushita Electric Industrial Co., Ltd.	Video signal gradation corrector
EP0529635B1 (de) *	1991-08-30	1998-11-04	Matsushita Electric Industrial Co., Ltd.	Bildverarbeitungsgerät
US5294989A (en) *	1991-09-17	1994-03-15	Moore Color, Inc.	Saturable smoothing grid for image processing
JP3255677B2 (ja) *	1992-01-14	2002-02-12	松下電器産業株式会社	自動階調補正回路と輝度制御方法
US5408267A (en) *	1993-07-06	1995-04-18	The 3Do Company	Method and apparatus for gamma correction by mapping, transforming and demapping

1993
- 1993-11-23 BE BE9301294A patent/BE1007777A3/nl not_active IP Right Cessation
1994
- 1994-11-17 DE DE69420814T patent/DE69420814T2/de not_active Expired - Lifetime
- 1994-11-17 EP EP94203350A patent/EP0654942B1/de not_active Expired - Lifetime
- 1994-11-21 US US08/342,981 patent/US5537071A/en not_active Expired - Lifetime
- 1994-11-21 JP JP28635194A patent/JP3980660B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0654942B1 (de)	1999-09-22
BE1007777A3 (nl)	1995-10-17
EP0654942A1 (de)	1995-05-24
US5537071A (en)	1996-07-16
JP3980660B2 (ja)	2007-09-26
DE69420814T2 (de)	2000-04-27
JPH07202608A (ja)	1995-08-04

Publication	Publication Date	Title
FI943058A0 (fi)	1994-06-23	Monitilasignaalinkäsittely
DE69414899D1 (de)	1999-01-14	Bildsignalverarbeitung
DE69432239D1 (de)	2003-04-17	Bildfelddetektion
FI933084L (fi)	1994-01-09	Signalanordning
FI954236A0 (fi)	1995-09-08	Kuitukäsittely
DE69434482D1 (de)	2005-10-13	Verstärker
FI954325L (fi)	1995-10-11	Varjoaineisiin liittyviä parannuksia
DE69424908D1 (de)	2000-07-20	Signalverarbeitungsapparat
FI954326L (fi)	1995-10-11	Varjoaineisiin liittyviä parannuksia
DE69422668D1 (de)	2000-02-24	Verstärkerkaskade
DE69318866D1 (de)	1998-07-09	Signalverarbeitungsanordnungen
DE69430093D1 (de)	2002-04-18	Signalprozessor
DE59409490D1 (de)	2000-09-28	Substituierte Bernsteinsäureimide
DE59403737D1 (de)	1997-09-18	Drehkreuz
DE69420814D1 (de)	1999-10-28	Nichtlineare Signalverarbeitung
DE69420167D1 (de)	1999-09-30	Informationsverarbeitungsgerät
DE69417793D1 (de)	1999-05-20	Informationsverarbeitungsgerät
DE69507899D1 (de)	1999-03-25	Signalverarbeitung
DE69418754D1 (de)	1999-07-08	Signalprozessor
DE69326121D1 (de)	1999-09-30	Chrominanzsignalverarbeitung
DE69431138D1 (de)	2002-09-12	Nichtlineare Videosignalverarbeitung
DE69422537D1 (de)	2000-02-17	Informationsverarbeitungsgerät
DE69424880D1 (de)	2000-07-13	Hochfrequenz-abtastumsetzer
DE69416474D1 (de)	1999-03-25	Verstärker
DE69415383D1 (de)	1999-02-04	Signalentzerrer

Legal Events

Date	Code	Title	Description
2000-10-12	8364	No opposition during term of opposition
2002-12-19	8320	Willingness to grant licences declared (paragraph 23)
2007-10-18	8328	Change in the person/name/address of the agent	Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN
2007-12-13	8327	Change in the person/name/address of the patent owner	Owner name: NXP B.V., EINDHOVEN, NL
2011-03-31	8327	Change in the person/name/address of the patent owner	Owner name: TRIDENT MICROSYSTEMS (FAR EAST) LTD., GRAND CA, KY
2012-10-23	R082	Change of representative	Ref document number: 654942 Country of ref document: EP Representative=s name: EPPING HERMANN FISCHER, PATENTANWALTSGESELLSCH, DE
2012-12-13	R081	Change of applicant/patentee	Ref document number: 654942 Country of ref document: EP Owner name: ENTROPIC COMMUNICATIONS, INC., US Free format text: FORMER OWNER: TRIDENT MICROSYSTEMS (FAR EAST) LTD., GRAND CAYMAN, KY Effective date: 20121023
2012-12-13	R082	Change of representative	Ref document number: 654942 Country of ref document: EP Representative=s name: EPPING HERMANN FISCHER, PATENTANWALTSGESELLSCH, DE Effective date: 20121023