GB2017451B – Television automatic brightness control circuit
– Google Patents
GB2017451B – Television automatic brightness control circuit
– Google Patents
Television automatic brightness control circuit
Info
Publication number
GB2017451B
GB2017451B
GB7909692A
GB7909692A
GB2017451B
GB 2017451 B
GB2017451 B
GB 2017451B
GB 7909692 A
GB7909692 A
GB 7909692A
GB 7909692 A
GB7909692 A
GB 7909692A
GB 2017451 B
GB2017451 B
GB 2017451B
Authority
GB
United Kingdom
Prior art keywords
control circuit
brightness control
automatic brightness
television automatic
television
Prior art date
1978-03-22
Legal status (The legal status 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 status listed.)
Expired
Application number
GB7909692A
Other versions
GB2017451A
(en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
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.)
1978-03-22
Filing date
1979-03-20
Publication date
1983-03-16
1979-03-20
Application filed by RCA Corp
filed
Critical
RCA Corp
1979-10-03
Publication of GB2017451A
publication
Critical
patent/GB2017451A/en
1983-03-16
Application granted
granted
Critical
1983-03-16
Publication of GB2017451B
publication
Critical
patent/GB2017451B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
GB7909692A
1978-03-22
1979-03-20
Television automatic brightness control circuit
Expired
GB2017451B
(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 (2)
Publication Number
Publication Date
GB2017451A
GB2017451A
(en)
1979-10-03
GB2017451B
true
GB2017451B
(en)
1983-03-16
Family
ID=25394191
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7909692A
Expired
GB2017451B
(en)
1978-03-22
1979-03-20
Television automatic brightness control circuit
Country Status (10)
Country
Link
US
(1)
US4143398A
(en)
JP
(1)
JPS54130832A
(en)
AT
(1)
AT379480B
(en)
AU
(1)
AU529905B2
(en)
DE
(1)
DE2911355C2
(en)
FR
(1)
FR2420888A1
(en)
GB
(1)
GB2017451B
(en)
HK
(1)
HK16687A
(en)
IT
(1)
IT1166713B
(en)
SE
(1)
SE430201B
(en)
Families Citing this family (16)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4204221A
(en)
*
1979-01-31
1980-05-20
Rca Corporation
Predictably biased kinescope driver arrangement in a video signal processing system
US4203131A
(en)
*
1979-01-31
1980-05-13
Rca Corporation
Predictable automatic brightness control circuit in a video signal image reproducing 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
(en)
*
1980-04-26
1986-12-18
Robert Bosch Gmbh, 7000 Stuttgart
Circuit arrangement with non-linear transfer characteristic
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
(en)
*
1984-06-21
1994-04-13
ソニー株式会社
Image adjustment device
US4599651A
(en)
*
1984-11-28
1986-07-08
Rca Corporation
Pulse amplifier in a brightness control system
US4599641A
(en)
*
1984-11-28
1986-07-08
Rca Corporation
Brightness control apparatus for a video signal processing system
JPS61140279A
(en)
*
1984-12-12
1986-06-27
Toshiba Corp
Video signal processing circuit
DE3540752A1
(en)
*
1985-11-16
1987-05-21
Blaupunkt Werke Gmbh
CIRCUIT ARRANGEMENT WITH CONTROLLABLE AMPLIFICATION FACTOR
JPH0822057B2
(en)
*
1992-04-21
1996-03-04
松下電器産業株式会社
Television signal processing method and processing apparatus
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
(en)
*
1974-04-19
1982-11-20
JPS5111297U
(en)
*
1974-07-12
1976-01-27
US4135200A
(en)
*
1977-05-12
1979-01-16
Rca Corporation
Brightness control circuit with predictable brightness control range
1978
1978-03-22
US
US05/888,932
patent/US4143398A/en
not_active
Expired – Lifetime
1979
1979-03-13
SE
SE7902254A
patent/SE430201B/en
not_active
IP Right Cessation
1979-03-16
AU
AU45189/79A
patent/AU529905B2/en
not_active
Ceased
1979-03-19
IT
IT21118/79A
patent/IT1166713B/en
active
1979-03-20
JP
JP3318879A
patent/JPS54130832A/en
active
Granted
1979-03-20
GB
GB7909692A
patent/GB2017451B/en
not_active
Expired
1979-03-21
FR
FR7907155A
patent/FR2420888A1/en
active
Granted
1979-03-22
DE
DE2911355A
patent/DE2911355C2/en
not_active
Expired
1979-03-22
AT
AT0215079A
patent/AT379480B/en
not_active
IP Right Cessation
1987
1987-02-26
HK
HK166/87A
patent/HK16687A/en
not_active
IP Right Cessation
Also Published As
Publication number
Publication date
IT7921118D0
(en)
1979-03-19
US4143398A
(en)
1979-03-06
ATA215079A
(en)
1985-05-15
AU529905B2
(en)
1983-06-23
FR2420888A1
(en)
1979-10-19
SE430201B
(en)
1983-10-24
HK16687A
(en)
1987-03-06
JPS54130832A
(en)
1979-10-11
DE2911355A1
(en)
1979-09-27
SE7902254L
(en)
1979-09-23
DE2911355C2
(en)
1983-02-03
JPS6247393B2
(en)
1987-10-07
IT1166713B
(en)
1987-05-06
AT379480B
(en)
1986-01-10
GB2017451A
(en)
1979-10-03
AU4518979A
(en)
1979-09-27
FR2420888B1
(en)
1985-03-29
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Legal Events
Date
Code
Title
Description
1989-07-12
732
Registration of transactions, instruments or events in the register (sect. 32/1977)
1999-04-14
PE20
Patent expired after termination of 20 years
Effective date:
19990319
