HK16687A - Television automatic brightness control circuit - Google Patents

Television automatic brightness control circuit

Info

Publication number
HK16687A
HK16687A HK166/87A HK16687A HK16687A HK 16687 A HK16687 A HK 16687A HK 166/87 A HK166/87 A HK 166/87A HK 16687 A HK16687 A HK 16687A HK 16687 A HK16687 A HK 16687A
Authority
HK
Hong Kong
Prior art keywords
control circuit
brightness control
automatic brightness
television automatic
television
Prior art date
Application number
HK166/87A
Other languages
English (en)
Inventor
Leopold Albert Harwood
Erwin Johann Wittman
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 HK16687A publication Critical patent/HK16687A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Receiver Circuits (AREA)
  • Picture Signal Circuits (AREA)
HK166/87A 1978-03-22 1987-02-26 Television automatic brightness control circuit HK16687A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/888,932 US4143398A (en) 1978-03-22 1978-03-22 Automatic brightness control circuit employing a closed control loop stabilized against disruption by large amplitude video signals

Publications (1)

Publication Number Publication Date
HK16687A true HK16687A (en) 1987-03-06

Family

ID=25394191

Family Applications (1)

Application Number Title Priority Date Filing Date
HK166/87A HK16687A (en) 1978-03-22 1987-02-26 Television automatic brightness control circuit

Country Status (10)

Country Link
US (1) US4143398A (xx)
JP (1) JPS54130832A (xx)
AT (1) AT379480B (xx)
AU (1) AU529905B2 (xx)
DE (1) DE2911355C2 (xx)
FR (1) FR2420888A1 (xx)
GB (1) GB2017451B (xx)
HK (1) HK16687A (xx)
IT (1) IT1166713B (xx)
SE (1) SE430201B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203131A (en) * 1979-01-31 1980-05-13 Rca Corporation Predictable automatic brightness control circuit in a video signal image reproducing system
US4204221A (en) * 1979-01-31 1980-05-20 Rca Corporation Predictably biased kinescope driver arrangement in a video signal processing system
US4237489A (en) * 1979-02-26 1980-12-02 Gte Products Corporation Video black level reference system
US4209808A (en) * 1979-03-26 1980-06-24 Rca Corporation Stabilized automatic brightness control network in a video signal processing system including an automatic kinescope beam current limiter
US4261015A (en) * 1979-07-09 1981-04-07 Burroughs Corporation Video clamp
US4295166A (en) * 1980-02-05 1981-10-13 Rca Corporation Failure compensated automatic kinescope beam current limiter
DE3016242C2 (de) * 1980-04-26 1986-12-18 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung mit nichtlinearer Übertragungskennlinie
CA1212461A (en) * 1982-10-29 1986-10-07 Rca Corporation Signal sampling circuit
US4580068A (en) * 1983-12-14 1986-04-01 Rca Corporation Keyed low impedance voltage source
JPH0628419B2 (ja) * 1984-06-21 1994-04-13 ソニー株式会社 画像調整装置
US4599641A (en) * 1984-11-28 1986-07-08 Rca Corporation Brightness control apparatus for a video signal processing system
US4599651A (en) * 1984-11-28 1986-07-08 Rca Corporation Pulse amplifier in a brightness control system
JPS61140279A (ja) * 1984-12-12 1986-06-27 Toshiba Corp 映像信号処理回路
DE3540752A1 (de) * 1985-11-16 1987-05-21 Blaupunkt Werke Gmbh Schaltungsanordnung mit steuerbarem verstaerkungsfaktor
JPH0822057B2 (ja) * 1992-04-21 1996-03-04 松下電器産業株式会社 テレビジョン信号処理方法および処理装置
US5390020A (en) * 1992-09-14 1995-02-14 Eastman Kodak Company Video amplifier stabilization for CRT printing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1027249A (en) * 1963-10-08 1966-04-27 Thorn Electronics Ltd Improvements in voltage clamps
US3588341A (en) * 1969-04-01 1971-06-28 Motorola Inc Automatic brightness control circuit for establishing the black level of signals in a television reciver
US3597540A (en) * 1969-04-01 1971-08-03 Motorola Inc Automatic brightness control responsive to black level of video signal
US3885093A (en) * 1972-04-03 1975-05-20 Ampex Fast acting direct current clamping circuit
US3851100A (en) * 1972-04-03 1974-11-26 Ampex Time-base error correction system
JPS5754983B2 (xx) * 1974-04-19 1982-11-20
JPS5111297U (xx) * 1974-07-12 1976-01-27
US4135200A (en) * 1977-05-12 1979-01-16 Rca Corporation Brightness control circuit with predictable brightness control range

Also Published As

Publication number Publication date
DE2911355A1 (de) 1979-09-27
ATA215079A (de) 1985-05-15
AU4518979A (en) 1979-09-27
FR2420888A1 (fr) 1979-10-19
US4143398A (en) 1979-03-06
SE7902254L (sv) 1979-09-23
JPS54130832A (en) 1979-10-11
DE2911355C2 (de) 1983-02-03
SE430201B (sv) 1983-10-24
AT379480B (de) 1986-01-10
GB2017451A (en) 1979-10-03
IT7921118A0 (it) 1979-03-19
GB2017451B (en) 1983-03-16
JPS6247393B2 (xx) 1987-10-07
IT1166713B (it) 1987-05-06
AU529905B2 (en) 1983-06-23
FR2420888B1 (xx) 1985-03-29

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Legal Events

Date Code Title Description
PE Patent expired