IT7830196A0 - Circuito correttore di gamma per televisione. - Google Patents

Circuito correttore di gamma per televisione.

Info

Publication number
IT7830196A0
IT7830196A0 IT7830196A IT3019678A IT7830196A0 IT 7830196 A0 IT7830196 A0 IT 7830196A0 IT 7830196 A IT7830196 A IT 7830196A IT 3019678 A IT3019678 A IT 3019678A IT 7830196 A0 IT7830196 A0 IT 7830196A0
Authority
IT
Italy
Prior art keywords
television
corrector circuit
gamma corrector
gamma
circuit
Prior art date
Application number
IT7830196A
Other languages
English (en)
Other versions
IT1100199B (it
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 IT7830196A0 publication Critical patent/IT7830196A0/it
Application granted granted Critical
Publication of IT1100199B publication Critical patent/IT1100199B/it

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)
IT30196/78A 1977-11-28 1978-11-24 Circuito correttore di gamma per televisione IT1100199B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT7830196A0 true IT7830196A0 (it) 1978-11-24
IT1100199B IT1100199B (it) 1985-09-28

Family

ID=19829631

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30196/78A IT1100199B (it) 1977-11-28 1978-11-24 Circuito correttore di gamma per televisione

Country Status (9)

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

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
SE7812106L (sv) 1979-05-29
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
JPS5483310A (en) 1979-07-03

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