BE842122A - Appareil de reglage de gain utile dans un systeme de traitement des signaux de television - Google Patents

Appareil de reglage de gain utile dans un systeme de traitement des signaux de television

Info

Publication number: BE842122A
Authority: BE; Belgium
Prior art keywords: signal processing; processing system; television signal; gain adjustment; adjustment apparatus
Prior art date: 1975-05-23

Application number

BE167259A

Other languages

English (en)

French (fr)

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

1976-05-21

Publication date

1976-09-16

1976-05-21 Application filed filed Critical

1976-09-16 Publication of BE842122A publication Critical patent/BE842122A/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)

BE167259A 1975-05-23 1976-05-21 Appareil de reglage de gain utile dans un systeme de traitement des signaux de television BE842122A (fr)

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
BE842122A true BE842122A (fr)	1976-09-16

Family

ID=24322142

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE167259A BE842122A (fr)	1975-05-23	1976-05-21	Appareil de reglage de gain utile dans un systeme de traitement des signaux de television

Country Status (19)

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

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/xx 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
ZA762826B (en)	1977-04-27
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
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 (xx)	1976-11-24
ES448125A1 (es)	1977-11-01

Publication	Publication Date	Title
FR2277483A1 (fr)	1976-01-30	Dispositif de traitement de signaux de television
BE866295A (fr)	1978-08-14	Systeme de traitement de signaux
BE842122A (fr)	1976-09-16	Appareil de reglage de gain utile dans un systeme de traitement des signaux de television
FR2296221A1 (fr)	1976-07-23	Systeme de traitement du signal
FR2332572A1 (fr)	1977-06-17	Systeme de traitement des donnees
FR2291652A1 (fr)	1976-06-11	Dispositif de traitement de signaux numeriques
BE798922A (fr)	1973-08-16	Dispositif de traitement de signaux analogiques
BE830574A (fr)	1975-12-24	Systeme de traitement de signaux analogiques
JPS5220058A (en)	1977-02-15	Signal processing apparatus for ultrasonic image formation
FR2321146A1 (fr)	1977-03-11	Procede et systeme de commande numerique
BE797619A (fr)	1973-07-16	Systeme perfectionne de traitement de donnes
FR2385282B1 (fr)	1985-07-05	Dispositif de traitement de signaux electroniques
FR2275821A1 (fr)	1976-01-16	Procede et appareil automatiques de mise en place relative de deux objets par comparaison de signaux video
FR2419629B1 (fr)	1986-08-22	Procede et appareil de traitement de signaux video par une fonction pseudogaussienne pour affichage numerique
FR2312072A1 (fr)	1976-12-17	Systeme de traitement de donnees
AT379482B (de)	1986-01-10	Videosignalaufbereitungseinrichtung
FR2297457A1 (fr)	1976-08-06	Systeme de traitement de donnees a resolution de priorite des peripheriques
FR2329017A1 (fr)	1977-05-20	Systeme de traitement de donnees microprogramme
BE844206A (fr)	1976-11-16	Processeur de signaux
BE856703A (fr)	1978-01-11	Dispositif numerique de traitement de signaux
FR2412889B1 (fr)	1985-10-18	Systeme de traitement de donnees
FR2464610B1 (fr)	1986-01-17	Systeme de traitement de signaux de television
FR2305902A1 (fr)	1976-10-22	Dispositif pour la suppression du bruit transitoire pour systeme de traitement de signaux video de television
SE7606916L (sv)	1976-12-19	Radarvideobehandlingsanordning
NL7811671A (nl)	1979-05-31	Videosignaalverwerkingsstelsel.