ES488076A0 - Perfeccionamientos en circuitos de control automatico de brillo en sistemas de produccion de imagenes por senal de video - Google Patents

Perfeccionamientos en circuitos de control automatico de brillo en sistemas de produccion de imagenes por senal de video

Info

Publication number: ES488076A0
Authority: ES; Spain
Prior art keywords: video signal; control circuits; brightness control; image production; production systems
Prior art date: 1979-01-31
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.): Granted

Application number

ES488076A

Other languages

English (en)

Other versions

ES8100589A1 (es

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.)

1979-01-31

Filing date

1980-01-31

Publication date

1980-11-01

1980-01-31 Application filed by RCA Corp filed Critical RCA Corp

1980-11-01 Publication of ES8100589A1 publication Critical patent/ES8100589A1/es

1980-11-01 Publication of ES488076A0 publication Critical patent/ES488076A0/es

Status Granted legal-status Critical Current

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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Biomedical Technology (AREA)
General Health & Medical Sciences (AREA)
Processing Of Color Television Signals (AREA)
Picture Signal Circuits (AREA)
Television Receiver Circuits (AREA)
Transforming Electric Information Into Light Information (AREA)

ES488076A 1979-01-31 1980-01-31 Perfeccionamientos en circuitos de control automatico de brillo en sistemas de produccion de imagenes por senal de video Granted ES488076A0 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/008,050 US4203131A (en)	1979-01-31	1979-01-31	Predictable automatic brightness control circuit in a video signal image reproducing system

Publications (2)

Publication Number	Publication Date
ES8100589A1 ES8100589A1 (es)	1980-11-01
ES488076A0 true ES488076A0 (es)	1980-11-01

Family

ID=21729575

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES488076A Granted ES488076A0 (es)	1979-01-31	1980-01-31	Perfeccionamientos en circuitos de control automatico de brillo en sistemas de produccion de imagenes por senal de video

Country Status (18)

Country	Link
US (1)	US4203131A (es)
JP (1)	JPS55104180A (es)
KR (1)	KR830002170B1 (es)
AU (1)	AU533602B2 (es)
BE (1)	BE881450A (es)
CA (1)	CA1135402A (es)
DD (1)	DD157847A5 (es)
DE (1)	DE3003536C2 (es)
DK (1)	DK39680A (es)
ES (1)	ES488076A0 (es)
FI (1)	FI800208A7 (es)
FR (1)	FR2448268B1 (es)
GB (1)	GB2041694B (es)
IT (1)	IT1129575B (es)
MX (1)	MX147999A (es)
NZ (1)	NZ192757A (es)
PL (1)	PL125453B1 (es)
SE (1)	SE8000549L (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6050112B2 (ja) *	1978-11-15	1985-11-06	株式会社日立製作所	色信号出力回路
JPS56104585A (en) *	1980-01-23	1981-08-20	Sony Corp	Automatic luminance adjusting device of picture tube
US4394689A (en) *	1981-07-13	1983-07-19	The United States Of America As Represented By The Secretary Of The Navy	Programmable CRT brightness control
JPS58202605A (ja) *	1982-05-21	1983-11-25	Hitachi Ltd	カスコ−ドアンプ
US4642690A (en) *	1984-08-27	1987-02-10	Rca Corporation	Digital video signal processor with analog level control
US4675726A (en) *	1985-08-14	1987-06-23	Zenith Electronics Corporation	Drive adjustment control for video output stage
US5390020A (en) *	1992-09-14	1995-02-14	Eastman Kodak Company	Video amplifier stabilization for CRT printing
IT1311427B1 (it) *	1999-12-15	2002-03-12	Gd Spa	Pacchetto rigido con coperchio incernierato
JP2018119571A (ja)	2017-01-24	2018-08-02	小倉クラッチ株式会社	電磁連結装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE547417A (es) *	1955-04-29
US3502807A (en) *	1967-03-08	1970-03-24	Rca Corp	Brightness control circuit
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
US3955047A (en) *	1974-04-16	1976-05-04	Rca Corporation	D.C. reinsertion in video amplifier
DE2507231B1 (de) *	1975-02-20	1976-05-20	Bosch Gmbh Robert	Schaltungsanordnung zur Wiedereinfuehrung des Gleichspannungsanteils in einem Videosignal
US4096518A (en) *	1977-05-05	1978-06-20	Rca Corporation	Average beam current limiter
US4197557A (en) *	1977-05-05	1980-04-08	Rca Corporation	Brightness control circuit employing a closed control loop
US4143398A (en) *	1978-03-22	1979-03-06	Rca Corporation	Automatic brightness control circuit employing a closed control loop stabilized against disruption by large amplitude video signals

1979
- 1979-01-31 US US06/008,050 patent/US4203131A/en not_active Expired - Lifetime
1980
- 1980-01-18 IT IT19315/80A patent/IT1129575B/it active
- 1980-01-23 SE SE8000549A patent/SE8000549L/ not_active Application Discontinuation
- 1980-01-24 AU AU54921/80A patent/AU533602B2/en not_active Ceased
- 1980-01-24 FI FI800208A patent/FI800208A7/fi not_active Application Discontinuation
- 1980-01-28 PL PL1980221637A patent/PL125453B1/pl unknown
- 1980-01-29 CA CA000344639A patent/CA1135402A/en not_active Expired
- 1980-01-29 JP JP990980A patent/JPS55104180A/ja active Pending
- 1980-01-29 KR KR1019800000320A patent/KR830002170B1/ko not_active Expired
- 1980-01-30 MX MX181021A patent/MX147999A/es unknown
- 1980-01-30 BE BE0/199189A patent/BE881450A/fr not_active IP Right Cessation
- 1980-01-30 DK DK39680A patent/DK39680A/da not_active Application Discontinuation
- 1980-01-30 FR FR8002023A patent/FR2448268B1/fr not_active Expired
- 1980-01-30 NZ NZ192757A patent/NZ192757A/xx unknown
- 1980-01-30 GB GB8003179A patent/GB2041694B/en not_active Expired
- 1980-01-31 DD DD80218770A patent/DD157847A5/de unknown
- 1980-01-31 DE DE3003536A patent/DE3003536C2/de not_active Expired
- 1980-01-31 ES ES488076A patent/ES488076A0/es active Granted

Also Published As

Publication number	Publication date
US4203131A (en)	1980-05-13
AU533602B2 (en)	1983-12-01
NZ192757A (en)	1983-09-30
ES8100589A1 (es)	1980-11-01
DE3003536A1 (de)	1980-08-14
FR2448268A1 (fr)	1980-08-29
CA1135402A (en)	1982-11-09
DK39680A (da)	1980-08-01
PL221637A1 (es)	1980-11-03
GB2041694B (en)	1983-04-13
IT1129575B (it)	1986-06-11
JPS55104180A (en)	1980-08-09
BE881450A (fr)	1980-05-16
SE8000549L (sv)	1980-08-01
KR830002170B1 (ko)	1983-10-17
GB2041694A (en)	1980-09-10
IT8019315A0 (it)	1980-01-18
MX147999A (es)	1983-02-22
FI800208A7 (fi)	1981-01-01
DE3003536C2 (de)	1985-06-27
DD157847A5 (de)	1982-12-08
AU5492180A (en)	1980-08-07
KR830002472A (ko)	1983-05-28
PL125453B1 (en)	1983-05-31
FR2448268B1 (fr)	1985-05-31

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Legal Events

Date	Code	Title	Description
2000-11-16	FD1A	Patent lapsed	Effective date: 20001009