NL7603300A - Automatische gammacorrectie-inrichting. - Google Patents

Automatische gammacorrectie-inrichting.

Info

Publication number
NL7603300A
NL7603300A NL7603300A NL7603300A NL7603300A NL 7603300 A NL7603300 A NL 7603300A NL 7603300 A NL7603300 A NL 7603300A NL 7603300 A NL7603300 A NL 7603300A NL 7603300 A NL7603300 A NL 7603300A
Authority
NL
Netherlands
Prior art keywords
correction device
gamma correction
automatic gamma
automatic
gamma
Prior art date
Application number
NL7603300A
Other languages
English (en)
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 NL7603300A publication Critical patent/NL7603300A/nl

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
NL7603300A 1975-03-31 1976-03-30 Automatische gammacorrectie-inrichting. NL7603300A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/563,684 US4038685A (en) 1975-03-31 1975-03-31 Apparatus for automatic gamma control of television color signals

Publications (1)

Publication Number Publication Date
NL7603300A true NL7603300A (nl) 1976-10-04

Family

ID=24251500

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7603300A NL7603300A (nl) 1975-03-31 1976-03-30 Automatische gammacorrectie-inrichting.

Country Status (7)

Country Link
US (2) US4038685A (nl)
JP (1) JPS5832836B2 (nl)
CA (1) CA1074906A (nl)
DE (1) DE2613842C3 (nl)
FR (1) FR2306583A1 (nl)
GB (2) GB1537788A (nl)
NL (1) NL7603300A (nl)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561454A (en) * 1979-06-18 1981-01-09 Jeol Ltd Picture signal processing device for scanning electron microscope
US4285004A (en) * 1980-02-25 1981-08-18 Ampex Corporation Total raster error correction apparatus and method for the automatic set up of television cameras and the like
US4597006A (en) * 1983-05-18 1986-06-24 Vta Technologies, Inc. Video signal control system
JPS60199290A (ja) * 1984-03-23 1985-10-08 Hitachi Ltd 耐放射線性カラ−テレビカメラ
USRE34169E (en) * 1984-04-27 1993-01-26 Colorgraphics Systems, Inc. Phase responsive composite video signal control system
US4642682A (en) * 1984-04-27 1987-02-10 Vta Technologies, Inc. Phase responsive composite video signal control system
US4694330A (en) * 1984-08-21 1987-09-15 Sony Corporation Color correction circuit
JPH0411432Y2 (nl) * 1985-03-30 1992-03-23
JPH0346632Y2 (nl) * 1985-03-30 1991-10-02
GB2203013B (en) * 1987-03-31 1991-03-06 Sony Corp Aperture correction circuits
JPH01196978A (ja) * 1988-01-30 1989-08-08 Fuji Photo Film Co Ltd 書類撮影用ビデオカメラ
US5210527A (en) * 1989-06-28 1993-05-11 Ceridian Corporation Programmable spike detector
US5175621A (en) * 1989-08-10 1992-12-29 Ikegami Tsushinki Co., Ltd. Gamma correction circuit and method thereof
GB8925438D0 (en) * 1989-11-10 1989-12-28 Rca Licensing Corp Non-linear rgb video signal processing
CA2027337C (en) * 1989-11-10 2001-04-24 Peter Eduard Haferl Nonlinear rgb video signal processing
US5077602A (en) * 1990-02-15 1991-12-31 Eastman Kodak Company Color difference compressor
JP2784839B2 (ja) * 1990-07-17 1998-08-06 松下電器産業株式会社 映像信号の階調補正装置
US5402083A (en) * 1993-06-07 1995-03-28 Alliedsignal Inc. Shoot-through protection circuit for improved stability in a neutral-point clamped synthesizer
US7268809B2 (en) * 1998-09-23 2007-09-11 San Disk Corporation Analog buffer memory for high-speed digital image capture
US6760068B2 (en) * 1998-12-31 2004-07-06 Sandisk Corporation Correction of corrupted elements in sensors using analog/multi-level non-volatile memory
US6577408B1 (en) * 1999-02-05 2003-06-10 Hewlett-Packard Development Company, L.P. Method and apparatus for correcting blue drift in an image scanner
US6157221A (en) * 1999-03-23 2000-12-05 Northrop Grumman Corporation Three input comparator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514022A (en) * 1946-04-01 1950-07-04 Rca Corp Video signal circuit for noise limiting
US3237025A (en) * 1962-12-28 1966-02-22 Ibm Comparator circuit
US3627911A (en) * 1970-01-17 1971-12-14 Sony Corp White balance control system
DE2124959C3 (de) * 1971-05-19 1973-12-06 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt Verfahren und Einrichtung zum Er kennen von unbunten Anteilen in einem Farbfernsehbild
DE2125165C3 (de) * 1971-05-21 1974-05-22 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt Verfahren zum automatischen Abgleich der Verstärker in den Farbkanälen von Farbbildgebern
US3758867A (en) * 1971-10-04 1973-09-11 Us Navy Analog voltage selector circuit with selected voltage detection
US3786177A (en) * 1972-06-19 1974-01-15 Rca Corp Apparatus for automatic color balancing of television camera signals
US3965388A (en) * 1974-12-13 1976-06-22 Arthur D. Little, Inc. Digital light responsive switching circuit

Also Published As

Publication number Publication date
DE2613842C3 (de) 1980-05-29
GB1537789A (en) 1979-01-04
US4069432A (en) 1978-01-17
DE2613842B2 (de) 1979-09-06
FR2306583A1 (fr) 1976-10-29
DE2613842A1 (de) 1976-10-14
JPS51122321A (en) 1976-10-26
CA1074906A (en) 1980-04-01
FR2306583B1 (nl) 1982-03-19
US4038685A (en) 1977-07-26
GB1537788A (en) 1979-01-04
JPS5832836B2 (ja) 1983-07-15

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed