ZA762826B - Gain control arrangement useful in a television signal processing system - Google Patents

Gain control arrangement useful in a television signal processing system

Info

Publication number: ZA762826B
Authority: ZA; South Africa
Prior art keywords: signal processing; processing system; gain control; television signal; control arrangement
Prior art date: 1975-05-23

Application number

ZA762826A

Other languages

English (en)

Inventor

B Yorkanis

J Avins

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.)

1975-05-23

Filing date

1976-05-12

Publication date

1977-04-27

1976-05-12 Application filed by Rca Corp filed Critical Rca Corp

1977-04-27 Publication of ZA762826B publication Critical patent/ZA762826B/xx

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
- H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
- 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
- H04N5/58—Control of contrast or brightness in dependence upon ambient light
- 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
- H04N9/648—Video amplifiers

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Processing Of Color Television Signals (AREA)
Control Of Amplification And Gain Control (AREA)
Television Receiver Circuits (AREA)

ZA762826A 1975-05-23 1976-05-12 Gain control arrangement useful in a television signal processing system ZA762826B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/580,690 US3961361A (en)	1975-05-23	1975-05-23	Gain control arrangement useful in a television signal processing system

Publications (1)

Publication Number	Publication Date
ZA762826B true ZA762826B (en)	1977-04-27

Family

ID=24322142

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA762826A ZA762826B (en)	1975-05-23	1976-05-12	Gain control arrangement useful in a television signal processing system

Country Status (19)

Country	Link
US (1)	US3961361A (nl)
JP (1)	JPS51144521A (nl)
AT (1)	AT361055B (nl)
AU (1)	AU508726B2 (nl)
BE (1)	BE842122A (nl)
BR (1)	BR7603174A (nl)
CA (1)	CA1066401A (nl)
DE (1)	DE2622866B2 (nl)
DK (1)	DK225576A (nl)
ES (1)	ES448125A1 (nl)
FI (1)	FI761373A (nl)
FR (1)	FR2312153A1 (nl)
GB (1)	GB1551083A (nl)
MX (1)	MX3271E (nl)
NL (1)	NL7605465A (nl)
NZ (1)	NZ180914A (nl)
PL (1)	PL112617B1 (nl)
SE (1)	SE414571B (nl)
ZA (1)	ZA762826B (nl)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1597217A (en) *	1977-05-09	1981-09-03	Sanyo Electric Co	Colour level automatic control signal generating circuit arrangement
US4181916A (en) *	1978-03-27	1980-01-01	Rca Corporation	Liquid crystal channel number display responsive to ambient light level
US4181915A (en) *	1978-03-27	1980-01-01	Rca Corporation	LED Channel number display responsive to ambient light level
US4198652A (en) *	1978-05-11	1980-04-15	Rca Corporation	D.C. Gain controlled amplifier
US4386345A (en) *	1981-09-22	1983-05-31	Sperry Corporation	Color and brightness tracking in a cathode ray tube display system
US4511921A (en) *	1982-06-16	1985-04-16	Rca Corporation	Television receiver with manual and selectively disabled automatic picture control
FR2651080A1 (fr) *	1989-08-18	1991-02-22	Hewlett Packard France Sa	Dispositif de commande de gain pour moniteur video
US4982287A (en) *	1989-11-01	1991-01-01	Rca Licensing Corporation	Control of brightness level adapted to control of contrast
KR940011301B1 (ko) *	1990-09-21	1994-12-05	바마크 악티엔게젤샤프트	멀티스테이션 섬유기계에서 권사장치를 자동적으로 운전하는 방법
AU5856194A (en) *	1993-02-05	1994-08-29	Barath, Ludwig	Environment-dependent automatic luminance control for display scrreens
DE4444899C1 (de) *	1994-12-16	1996-01-25	Philips Patentverwaltung	Schaltungsanordnung zur amplitudenabhängigen Bedämpfung eines Fernsehsignals
US6947099B2 (en)	2000-12-21	2005-09-20	Thomson Licensing	Automatic chroma control circuit with controlled saturation reduction
US6639574B2 (en) *	2002-01-09	2003-10-28	Landmark Screens Llc	Light-emitting diode display
US7948501B2 (en) *	2004-03-09	2011-05-24	Olympus Corporation	Display control apparatus and method under plural different color spaces
US9231685B2 (en) *	2009-11-16	2016-01-05	Maxlinear, Inc.	Diversity blocker protection
US9530342B2 (en)	2013-09-10	2016-12-27	Microsoft Technology Licensing, Llc	Ambient light context-aware display

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3374310A (en) *	1965-08-23	1968-03-19	George L. Beers	Color television receiver with simultaneous brightness and color saturation controls
US3467770A (en) *	1966-06-17	1969-09-16	Hoffman Products Corp	Dual channel automatic control circuit
DE1805133B1 (de) *	1968-10-25	1970-11-26	Saba Gmbh	Schaltungsanordnung fuer die Einstellung von Farbsaettigung und Kontrast in einem Farbfernsehempfaenger
US3715463A (en) *	1971-03-18	1973-02-06	Warwick Electronics Inc	Tracking control circuits using a common potentiometer
US3736520A (en) *	1971-11-23	1973-05-29	Honeywell Inf Systems	Precision variable gain amplifier with linear log-gain versus control-voltage characteristic
US3813686A (en) *	1972-11-27	1974-05-28	Magnovox Co	Ambient light responsive control of brightness, contrast and color saturation

1975
- 1975-05-23 US US05/580,690 patent/US3961361A/en not_active Expired - Lifetime
1976
- 1976-05-12 ZA ZA762826A patent/ZA762826B/xx unknown
- 1976-05-14 FI FI761373A patent/FI761373A/fi not_active Application Discontinuation
- 1976-05-14 SE SE7605563A patent/SE414571B/xx unknown
- 1976-05-14 MX MX100303U patent/MX3271E/es unknown
- 1976-05-17 AU AU13993/76A patent/AU508726B2/en not_active Expired
- 1976-05-20 CA CA252,914A patent/CA1066401A/en not_active Expired
- 1976-05-20 BR BR7603174A patent/BR7603174A/pt unknown
- 1976-05-21 NL NL7605465A patent/NL7605465A/nl not_active Application Discontinuation
- 1976-05-21 FR FR7615473A patent/FR2312153A1/fr not_active Withdrawn
- 1976-05-21 NZ NZ180914A patent/NZ180914A/xx unknown
- 1976-05-21 DK DK225576A patent/DK225576A/da unknown
- 1976-05-21 BE BE167259A patent/BE842122A/xx unknown
- 1976-05-21 DE DE762622866A patent/DE2622866B2/de not_active Withdrawn
- 1976-05-21 GB GB21205/76A patent/GB1551083A/en not_active Expired
- 1976-05-21 ES ES448125A patent/ES448125A1/es not_active Expired
- 1976-05-22 PL PL1976189792A patent/PL112617B1/pl unknown
- 1976-05-24 AT AT380776A patent/AT361055B/de not_active IP Right Cessation
- 1976-05-24 JP JP51060530A patent/JPS51144521A/ja active Pending

Also Published As

Publication number	Publication date
JPS51144521A (en)	1976-12-11
US3961361A (en)	1976-06-01
GB1551083A (en)	1979-08-22
AT361055B (de)	1981-02-25
FR2312153A1 (fr)	1976-12-17
BR7603174A (pt)	1977-02-15
DE2622866B2 (de)	1979-03-08
BE842122A (fr)	1976-09-16
MX3271E (es)	1980-08-12
DE2622866A1 (de)	1976-11-25
CA1066401A (en)	1979-11-13
NZ180914A (en)	1980-08-26
DK225576A (da)	1976-11-24
SE414571B (sv)	1980-08-04
SE7605563L (sv)	1976-11-24
ATA380776A (de)	1980-07-15
AU508726B2 (en)	1980-04-03
PL112617B1 (en)	1980-10-31
NL7605465A (nl)	1976-11-25
AU1399376A (en)	1977-11-24
FI761373A (nl)	1976-11-24
ES448125A1 (es)	1977-11-01

Publication	Publication Date	Title
GB1545893A (en)	1979-05-16	Digital control system
JPS5280849A (en)	1977-07-06	All direction scanning system
YU169575A (en)	1983-04-27	Arrangement for processing television signals
ZA762826B (en)	1977-04-27	Gain control arrangement useful in a television signal processing system
GB1547483A (en)	1979-06-20	Video signal processing circuits
GB1538295A (en)	1979-01-17	Television signal receiving set
JPS522214A (en)	1977-01-08	Circuit for processing auxiliary signal for television receiver
JPS5263052A (en)	1977-05-25	Digital control amplifier
GB1543987A (en)	1979-04-11	Signal processing circuitry
JPS5281832A (en)	1977-07-08	Automatic signal processing and controlling system
GB2010045B (en)	1982-06-30	Video signal processing system
JPS5362423A (en)	1978-06-03	Video signal processing system
GB2075316B (en)	1984-02-08	Audio signal processing system using a signal level gain control element
AU515577B2 (en)	1981-04-09	Video signal processing apparatus
PT71720A (en)	1980-09-01	Television signal processing system
JPS51119479A (en)	1976-10-20	Multiimode control system
GB2001826B (en)	1982-02-10	Video signal processing systems
GB1539208A (en)	1979-01-31	Control system for orthogonally polarized signals
JPS5324722A (en)	1978-03-07	Device for processing television signal
GB2010046B (en)	1982-06-09	Video signal processing system
MY8100296A (en)	1981-12-31	Signal processing means
GB1544649A (en)	1979-04-25	Memory controlled processing system
JPS51144122A (en)	1976-12-10	System for processing television video signal
GB1538692A (en)	1979-01-24	Video signal processing circuit
AU510413B2 (en)	1980-06-26	Signal processing system