SG93771A1 - Non-linear video signal processor - Google Patents

Non-linear video signal processor

Info

Publication number
SG93771A1
SG93771A1 SG9602680A SG1996002680A SG93771A1 SG 93771 A1 SG93771 A1 SG 93771A1 SG 9602680 A SG9602680 A SG 9602680A SG 1996002680 A SG1996002680 A SG 1996002680A SG 93771 A1 SG93771 A1 SG 93771A1
Authority
SG
Singapore
Prior art keywords
video signal
signal processor
linear video
linear
processor
Prior art date
Application number
SG9602680A
Other languages
English (en)
Inventor
Werner Keller Anton
Original Assignee
Rca Thomson Licensing 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.)
Filing date
Publication date
Application filed by Rca Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Publication of SG93771A1 publication Critical patent/SG93771A1/en

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
    • H04N5/202—Gamma control
    • 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
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
SG9602680A 1993-04-14 1994-04-06 Non-linear video signal processor SG93771A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/048,649 US5349389A (en) 1993-04-14 1993-04-14 Video attenuator with output combined with signal from non-linear shunt branch to provide gamma correction and high frequency detail enhancement

Publications (1)

Publication Number Publication Date
SG93771A1 true SG93771A1 (en) 2003-01-21

Family

ID=21955685

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9602680A SG93771A1 (en) 1993-04-14 1994-04-06 Non-linear video signal processor

Country Status (9)

Country Link
US (1) US5349389A (zh)
EP (1) EP0620679B1 (zh)
JP (1) JP3498995B2 (zh)
KR (1) KR100288805B1 (zh)
CN (1) CN1064508C (zh)
DE (1) DE69431138T2 (zh)
ES (1) ES2180551T3 (zh)
SG (1) SG93771A1 (zh)
TR (1) TR27890A (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5828330A (en) * 1997-03-19 1998-10-27 Exar Corporation Analog to digital converter having dynamically controlled non-linear output
US6636265B1 (en) 2000-01-21 2003-10-21 Thomson Licensing S.A. Focus flutter prevention in TV receivers and monitors
AU2003274986A1 (en) * 2002-09-21 2004-04-08 Randy Burnworth Method and module system apparatus for improving video
JP2008500572A (ja) * 2004-05-25 2008-01-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 電界発光表示装置の駆動
KR20070079224A (ko) * 2006-02-01 2007-08-06 삼성전자주식회사 코어링 장치 및 이를 이용하는 휘도 처리 프로세서와 그방법
US9728155B2 (en) * 2011-02-25 2017-08-08 Maxim Integrated Products, Inc. Gamma switching amplifier
US9112457B1 (en) 2013-01-29 2015-08-18 Teledyne Lecroy, Inc. Decompressor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588338A (en) * 1969-03-21 1971-06-28 Rca Corp Gamma correction and shading modulation circuitry for a television camera
US4558363A (en) * 1982-01-29 1985-12-10 Tokyo Shibaura Denki Kabushiki Kaisha Gamma correction circuit
US5083198A (en) * 1989-11-10 1992-01-21 Rca Thomson Licensing Corporation Nonlinear RGB video signal processing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE565503A (zh) * 1957-03-09
US3970774A (en) * 1975-03-31 1976-07-20 Rca Corporation Electronic signal mixer
US4057828A (en) * 1975-11-17 1977-11-08 Harris Corporation Contrast compression circuits
JPS5925510B2 (ja) * 1976-10-14 1984-06-18 松下電器産業株式会社 ガンマ調整装置
JPS5726970A (en) * 1980-07-24 1982-02-13 Sony Corp Image sensor
CA2027337C (en) * 1989-11-10 2001-04-24 Peter Eduard Haferl Nonlinear rgb video signal processing
JPH03214973A (ja) * 1990-01-19 1991-09-20 Fujitsu General Ltd アパーチャ補償回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588338A (en) * 1969-03-21 1971-06-28 Rca Corp Gamma correction and shading modulation circuitry for a television camera
US4558363A (en) * 1982-01-29 1985-12-10 Tokyo Shibaura Denki Kabushiki Kaisha Gamma correction circuit
US5083198A (en) * 1989-11-10 1992-01-21 Rca Thomson Licensing Corporation Nonlinear RGB video signal processing

Also Published As

Publication number Publication date
DE69431138T2 (de) 2003-01-02
KR100288805B1 (ko) 2001-05-02
EP0620679A1 (en) 1994-10-19
TR27890A (tr) 1995-10-11
CN1101198A (zh) 1995-04-05
JPH06311395A (ja) 1994-11-04
EP0620679B1 (en) 2002-08-07
CN1064508C (zh) 2001-04-11
ES2180551T3 (es) 2003-02-16
KR940025349A (ko) 1994-11-19
JP3498995B2 (ja) 2004-02-23
DE69431138D1 (de) 2002-09-12
US5349389A (en) 1994-09-20

Similar Documents

Publication Publication Date Title
EP0585558A3 (en) Video signal processor
EP0587130A3 (en) Television signal processor
GB9322260D0 (en) Digital video processor
SG63564A1 (en) Non-linear video signal processor employing picture element analysis
GB2272816B (en) Video signal processing
EP0649250A3 (en) Digital filter to remove noise in a video signal.
EP0454414A3 (en) Video signal display
AU4266693A (en) Video signal coding
EP0620681A3 (en) Video signal processing.
GB8925438D0 (en) Non-linear rgb video signal processing
GB2292863B (en) Video signal processing
EP0675646A3 (en) TV signal processing device.
EP0558259A3 (en) Video signal transmission
SG93771A1 (en) Non-linear video signal processor
GB2264414B (en) Video signal processing
GB9512565D0 (en) Video signal processor
GB2282737B (en) Video signal distribution system
EP0589513A3 (en) Image signal processing device.
GB2293514B (en) Video signal processing
GB2268658B (en) Video signal processing
GB2282296B (en) Video signal processing
GB9424131D0 (en) Video signal processing
GB2282514B (en) Video signal processors
AU3437293A (en) Digital signal processor architecture
GB9217064D0 (en) Video signal processor