GB2258782B - Method and apparatus for gamma correction - Google Patents

Method and apparatus for gamma correction

Info

Publication number
GB2258782B
GB2258782B GB9214305A GB9214305A GB2258782B GB 2258782 B GB2258782 B GB 2258782B GB 9214305 A GB9214305 A GB 9214305A GB 9214305 A GB9214305 A GB 9214305A GB 2258782 B GB2258782 B GB 2258782B
Authority
GB
United Kingdom
Prior art keywords
gamma correction
gamma
correction
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 - Fee Related
Application number
GB9214305A
Other versions
GB2258782A (en
GB9214305D0 (en
Inventor
Byung Ee An
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of GB9214305D0 publication Critical patent/GB9214305D0/en
Publication of GB2258782A publication Critical patent/GB2258782A/en
Application granted granted Critical
Publication of GB2258782B publication Critical patent/GB2258782B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
GB9214305A 1991-07-30 1992-07-06 Method and apparatus for gamma correction Expired - Fee Related GB2258782B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR910013122 1991-07-30

Publications (3)

Publication Number Publication Date
GB9214305D0 GB9214305D0 (en) 1992-08-19
GB2258782A GB2258782A (en) 1993-02-17
GB2258782B true GB2258782B (en) 1995-04-12

Family

ID=19318015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9214305A Expired - Fee Related GB2258782B (en) 1991-07-30 1992-07-06 Method and apparatus for gamma correction

Country Status (2)

Country Link
JP (1) JPH05211659A (en)
GB (1) GB2258782B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19521928C2 (en) * 1994-06-09 2001-04-19 Mitsubishi Electric Corp Image display device
JP3263772B2 (en) * 1994-06-09 2002-03-11 三菱電機株式会社 Video display device
JPH0946554A (en) 1995-07-31 1997-02-14 Sony Corp Image pickup device
CN102054420B (en) * 2009-10-30 2013-06-19 群康科技(深圳)有限公司 Gamma correcting circuit, gamma correcting method and relevant display

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1086533A (en) * 1964-02-19 1967-10-11 Marconi Co Ltd Improvements in or relating to non-linear amplifier arrangements
GB1191886A (en) * 1966-07-16 1970-05-13 Philips Electronic Associated Gamma-Correction Arrangement
GB1289005A (en) * 1969-09-05 1972-09-13
GB2211045A (en) * 1987-10-10 1989-06-21 Marconi Co Ltd Linearity adjustable circuit
EP0457522A2 (en) * 1990-05-14 1991-11-21 Sony Corporation Gamma correction circuits
EP0479213A2 (en) * 1990-10-02 1992-04-08 Ikegami Tsushinki Co., Ltd. Nonlinear processing method and apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62266977A (en) * 1986-05-14 1987-11-19 Mitsubishi Electric Corp Digital gamma correction circuit
JP2754672B2 (en) * 1989-03-03 1998-05-20 ソニー株式会社 Gamma correction circuit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1086533A (en) * 1964-02-19 1967-10-11 Marconi Co Ltd Improvements in or relating to non-linear amplifier arrangements
GB1191886A (en) * 1966-07-16 1970-05-13 Philips Electronic Associated Gamma-Correction Arrangement
GB1289005A (en) * 1969-09-05 1972-09-13
GB2211045A (en) * 1987-10-10 1989-06-21 Marconi Co Ltd Linearity adjustable circuit
EP0457522A2 (en) * 1990-05-14 1991-11-21 Sony Corporation Gamma correction circuits
EP0479213A2 (en) * 1990-10-02 1992-04-08 Ikegami Tsushinki Co., Ltd. Nonlinear processing method and apparatus

Also Published As

Publication number Publication date
GB2258782A (en) 1993-02-17
GB9214305D0 (en) 1992-08-19
JPH05211659A (en) 1993-08-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090706