NL165018B - Televisieopneeminrichting met gammacorrectie en schaduwmodulatiecorrectie. - Google Patents

Televisieopneeminrichting met gammacorrectie en schaduwmodulatiecorrectie.

Info

Publication number
NL165018B
NL165018B NL7004033.A NL7004033A NL165018B NL 165018 B NL165018 B NL 165018B NL 7004033 A NL7004033 A NL 7004033A NL 165018 B NL165018 B NL 165018B
Authority
NL
Netherlands
Prior art keywords
correction
recording device
television recording
gamma correction
shadow modulation
Prior art date
Application number
NL7004033.A
Other languages
English (en)
Other versions
NL7004033A (nl
NL165018C (nl
Original Assignee
Rca 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 Corp filed Critical Rca Corp
Publication of NL7004033A publication Critical patent/NL7004033A/xx
Publication of NL165018B publication Critical patent/NL165018B/nl
Application granted granted Critical
Publication of NL165018C publication Critical patent/NL165018C/nl

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/20Circuitry for controlling amplitude response
    • H04N5/202Gamma control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80Camera processing pipelines; Components thereof
    • H04N23/81Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80Camera processing pipelines; Components thereof
    • H04N23/82Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
    • H04N23/83Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction specially adapted for colour signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/68Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H04N9/69Circuits 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)
  • Processing Of Color Television Signals (AREA)
  • Transforming Electric Information Into Light Information (AREA)
NL7004033.A 1969-03-21 1970-03-20 Televisieopneeminrichting met gammacorrectie en schaduwmodulatiecorrectie. NL165018C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80923069A 1969-03-21 1969-03-21

Publications (3)

Publication Number Publication Date
NL7004033A NL7004033A (nl) 1970-09-23
NL165018B true NL165018B (nl) 1980-09-15
NL165018C NL165018C (nl) 1981-02-16

Family

ID=25200832

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7004033.A NL165018C (nl) 1969-03-21 1970-03-20 Televisieopneeminrichting met gammacorrectie en schaduwmodulatiecorrectie.

Country Status (5)

Country Link
US (1) US3588338A (nl)
JP (1) JPS4922328B1 (nl)
FR (1) FR2035151B1 (nl)
GB (1) GB1297060A (nl)
NL (1) NL165018C (nl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2060458C3 (de) * 1970-12-09 1975-08-14 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Kompensation von Linearitätsfehlern bei Verstärkern
US4032974A (en) * 1975-10-20 1977-06-28 North American Philips Corporation Video processing circuit
DE2747405C2 (de) * 1977-10-21 1983-12-22 Siemens AG, 1000 Berlin und 8000 München Ultraschall-Bildgerät
EP0014019A1 (en) * 1979-01-26 1980-08-06 North American Philips Corporation Dynamic beam current control circuit for use with a television camera tube
US4301472A (en) * 1980-04-17 1981-11-17 Damox Laboratories, Inc. Video display system with shading circuit for selectively varying intensity of video display
GB8521019D0 (en) * 1985-08-22 1986-10-01 Rank Pullin Controls Ltd Imaging apparatus
GB2211045B (en) * 1987-10-10 1991-08-21 Marconi Co Ltd Linearity adjusting circuit
JPH01196978A (ja) * 1988-01-30 1989-08-08 Fuji Photo Film Co Ltd 書類撮影用ビデオカメラ
US5202762A (en) * 1991-09-10 1993-04-13 Ultimatte Corporation Method and apparatus for applying correction to a signal used to modulate a background video signal to be combined with a foreground video signal
JP3191354B2 (ja) * 1991-11-15 2001-07-23 ソニー株式会社 シェーディング補正回路
US5349389A (en) * 1993-04-14 1994-09-20 Rca Thomson Licensing Corporation Video attenuator with output combined with signal from non-linear shunt branch to provide gamma correction and high frequency detail enhancement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904642A (en) * 1955-11-08 1959-09-15 Du Mont Allen B Lab Inc Gamma correction circuit
DE1238613B (de) * 1963-12-07 1967-04-13 Hoechst Ag Verfahren zur Herstellung von Faeden aus Poly-4, 4-dimethylazetidin-2-on

Also Published As

Publication number Publication date
FR2035151B1 (nl) 1975-07-04
DE2013219B2 (de) 1977-05-05
NL7004033A (nl) 1970-09-23
US3588338A (en) 1971-06-28
GB1297060A (nl) 1972-11-22
NL165018C (nl) 1981-02-16
DE2013219A1 (de) 1970-10-01
FR2035151A1 (nl) 1970-12-18
JPS4922328B1 (nl) 1974-06-07

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee