SE7812106L - Gammakorrektionskrets for television - Google Patents

Gammakorrektionskrets for television

Info

Publication number
SE7812106L
SE7812106L SE7812106A SE7812106A SE7812106L SE 7812106 L SE7812106 L SE 7812106L SE 7812106 A SE7812106 A SE 7812106A SE 7812106 A SE7812106 A SE 7812106A SE 7812106 L SE7812106 L SE 7812106L
Authority
SE
Sweden
Prior art keywords
television
correction circuit
gamma correction
gamma
circuit
Prior art date
Application number
SE7812106A
Other languages
English (en)
Inventor
H Blom
Original Assignee
Philips 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.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of SE7812106L publication Critical patent/SE7812106L/sv

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
SE7812106A 1977-11-28 1978-11-24 Gammakorrektionskrets for television SE7812106L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7713052A NL7713052A (nl) 1977-11-28 1977-11-28 Gammacorrectieschakeling voor televisie.

Publications (1)

Publication Number Publication Date
SE7812106L true SE7812106L (sv) 1979-05-29

Family

ID=19829631

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7812106A SE7812106L (sv) 1977-11-28 1978-11-24 Gammakorrektionskrets for television

Country Status (9)

Country Link
US (1) US4227216A (sv)
JP (1) JPS5483310A (sv)
CA (1) CA1128652A (sv)
DE (1) DE2850857A1 (sv)
FR (1) FR2410404A1 (sv)
GB (1) GB2009557B (sv)
IT (1) IT1100199B (sv)
NL (1) NL7713052A (sv)
SE (1) SE7812106L (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140230C2 (de) * 1981-10-09 1989-08-31 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur wahlweisen Regelung der Gradation von Fernsehsignalen
NL8200667A (nl) * 1982-02-19 1983-09-16 Philips Nv Gammakorrektieschakeling voor televisie.
JPS627290A (ja) * 1985-07-04 1987-01-14 Fuji Photo Film Co Ltd カラ−ネガフイルム撮像における階調補正方法および装置
GB2211045B (en) * 1987-10-10 1991-08-21 Marconi Co Ltd Linearity adjusting circuit
GB2240001B (en) * 1990-01-16 1993-12-22 Rank Cintel Ltd Film characteristic simulator
GB2250886B (en) * 1990-12-13 1995-06-14 Rank Cintel Ltd Noise reduction in video signals
US6680755B2 (en) * 2001-04-05 2004-01-20 Industrial Technology Research Institute Adjustable biased gamma-correction circuit with central-symmetry voltage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970774A (en) * 1975-03-31 1976-07-20 Rca Corporation Electronic signal mixer
GB1549769A (en) * 1975-08-06 1979-08-08 Rca Corp Negative gamma circuit
CA1101943A (en) * 1975-10-22 1981-05-26 Frederik J. Van Roessel Video switching circuit

Also Published As

Publication number Publication date
CA1128652A (en) 1982-07-27
IT1100199B (it) 1985-09-28
NL7713052A (nl) 1979-05-30
GB2009557A (en) 1979-06-13
FR2410404A1 (fr) 1979-06-22
GB2009557B (en) 1982-07-07
US4227216A (en) 1980-10-07
DE2850857A1 (de) 1979-05-31
IT7830196A0 (it) 1978-11-24
JPS5483310A (en) 1979-07-03

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