DE69218030D1 - Fernsehempfänger mit teilweise entkoppeltem, nichtlinearem Luminanzsignalprozessor - Google Patents

Fernsehempfänger mit teilweise entkoppeltem, nichtlinearem Luminanzsignalprozessor

Info

Publication number
DE69218030D1
DE69218030D1 DE69218030T DE69218030T DE69218030D1 DE 69218030 D1 DE69218030 D1 DE 69218030D1 DE 69218030 T DE69218030 T DE 69218030T DE 69218030 T DE69218030 T DE 69218030T DE 69218030 D1 DE69218030 D1 DE 69218030D1
Authority
DE
Germany
Prior art keywords
receiver
signal processor
luminance signal
linear luminance
partially decoupled
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 - Lifetime
Application number
DE69218030T
Other languages
English (en)
Other versions
DE69218030T2 (de
Inventor
Gene Karl Sendelweck
Roger Lee Lineberry
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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.)
Filing date
Publication date
Application filed by Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of DE69218030D1 publication Critical patent/DE69218030D1/de
Publication of DE69218030T2 publication Critical patent/DE69218030T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N5/20—Circuitry for controlling amplitude response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • 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
    • H04N5/202—Gamma control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
DE69218030T 1991-05-06 1992-04-25 Fernsehempfänger mit teilweise entkoppeltem, nichtlinearem Luminanzsignalprozessor Expired - Lifetime DE69218030T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/695,804 US5202763A (en) 1991-05-06 1991-05-06 Television receiver with partially by-passed non-linear luminance signal processor

Publications (2)

Publication Number Publication Date
DE69218030D1 true DE69218030D1 (de) 1997-04-17
DE69218030T2 DE69218030T2 (de) 1997-08-28

Family

ID=24794527

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69218030T Expired - Lifetime DE69218030T2 (de) 1991-05-06 1992-04-25 Fernsehempfänger mit teilweise entkoppeltem, nichtlinearem Luminanzsignalprozessor

Country Status (16)

Country Link
US (1) US5202763A (de)
EP (1) EP0512341B1 (de)
JP (1) JP3378592B2 (de)
KR (1) KR100247454B1 (de)
CN (1) CN1048842C (de)
BR (1) BR9201652A (de)
CA (1) CA2065675C (de)
DE (1) DE69218030T2 (de)
ES (1) ES2100247T3 (de)
FI (1) FI106350B (de)
HU (1) HU216476B (de)
MX (1) MX9202110A (de)
MY (1) MY109844A (de)
PL (1) PL167747B1 (de)
RU (1) RU2125348C1 (de)
TR (1) TR26938A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2095756C (en) * 1992-08-14 2001-04-24 Albert D. Edgar Method and apparatus for linear color processing
US5548341A (en) * 1994-08-05 1996-08-20 Thomson Consumer Electronics, Inc. Television receiver with non-linear processing selectively disabled during display of multi-image video signal
US6480241B1 (en) 1996-08-27 2002-11-12 Gordon J. Gow Technologies, Inc. S-video signal loss compensation processing apparatus and method
EP1372340B1 (de) * 1998-06-02 2006-12-13 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur dynamischen Kontrastverbesserung in Videobildern
TW420934B (en) * 1999-04-09 2001-02-01 Winbond Electronics Corp Image signal processing method
KR101311817B1 (ko) * 2005-09-30 2013-09-26 티피 비전 홀딩 비.브이. 이미지 디테일 향상
JP4637812B2 (ja) * 2006-11-09 2011-02-23 オリンパス株式会社 画像信号処理装置、画像信号処理プログラム、画像信号処理方法
US7693501B2 (en) * 2006-12-21 2010-04-06 Intel Corporation Techniques to deterministically reduce signal interference

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2760008A (en) * 1950-08-30 1956-08-21 Rca Corp Amplifier having controllable signal expansion and compression characteristics
US3333055A (en) * 1963-06-01 1967-07-25 Fernseh Gmbh Apparatus for increasing the signal-to-noise ratio of a television signal
US4075661A (en) * 1976-08-19 1978-02-21 The Magnavox Company Automatic peaking circuit
GB1600043A (en) * 1978-03-30 1981-10-14 Marconi Co Ltd Video signal processing arrangement
JPS56107674A (en) * 1980-01-31 1981-08-26 Sony Corp Gradation correcting device of video signal
US4365266A (en) * 1981-04-20 1982-12-21 Rca Corporation Horizontal and vertical image detail processing of a color television signal
GB2127250B (en) * 1982-09-20 1986-04-09 British Broadcasting Corp Colour video signal processing
JPH0278967A (ja) * 1988-09-16 1990-03-19 Toshiba Corp 周期測定回路
JPH02301277A (ja) * 1989-05-15 1990-12-13 Toshiba Corp 映像信号の記録処理回路
US4980756A (en) * 1989-08-25 1990-12-25 Rca Licensing Corporation Control signal generator for a television system
US5081450A (en) * 1990-03-09 1992-01-14 International Business Machines Corporation Apparatus and method for compressing and expanding multibit digital pixel data

Also Published As

Publication number Publication date
HUT63282A (en) 1993-07-28
HU216476B (hu) 1999-06-28
US5202763A (en) 1993-04-13
TR26938A (tr) 1994-08-24
CN1048842C (zh) 2000-01-26
PL167747B1 (pl) 1995-10-31
EP0512341A2 (de) 1992-11-11
EP0512341A3 (de) 1994-01-26
CN1066549A (zh) 1992-11-25
FI922015A0 (fi) 1992-05-05
JP3378592B2 (ja) 2003-02-17
DE69218030T2 (de) 1997-08-28
ES2100247T3 (es) 1997-06-16
PL294354A1 (en) 1992-11-16
MX9202110A (es) 1992-11-01
EP0512341B1 (de) 1997-03-12
FI106350B (fi) 2001-01-15
CA2065675A1 (en) 1992-11-07
RU2125348C1 (ru) 1999-01-20
KR100247454B1 (ko) 2000-03-15
CA2065675C (en) 1997-12-30
FI922015A (fi) 1992-11-07
MY109844A (en) 1997-08-30
BR9201652A (pt) 1992-12-15
HU9201433D0 (en) 1992-09-28
KR920022876A (ko) 1992-12-19
JPH05183776A (ja) 1993-07-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)