CA1023843A - Video signal control circuit - Google Patents

Video signal control circuit

Info

Publication number: CA1023843A
Authority: CA; Canada
Prior art keywords: control circuit; video signal; signal control; video; circuit
Prior art date: 1972-08-28
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

CA179,658A

Other languages

French (fr)

Other versions

CA179658S (en

Inventor

Yoshiaki Ogawara

Takashi Okada

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.)

Sony Corp

Original Assignee

Sony 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.)

1972-08-28

Filing date

1973-08-27

Publication date

1978-01-03

1973-08-27 Application filed by Sony Corp filed Critical Sony Corp

1978-01-03 Application granted granted Critical

1978-01-03 Publication of CA1023843A publication Critical patent/CA1023843A/en

Status Expired legal-status Critical Current

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

CA179,658A 1972-08-28 1973-08-27 Video signal control circuit Expired CA1023843A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP8594772A JPS5537146B2 (en)	1972-08-28	1972-08-28

Publications (1)

Publication Number	Publication Date
CA1023843A true CA1023843A (en)	1978-01-03

Family

ID=13872945

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA179,658A Expired CA1023843A (en)	1972-08-28	1973-08-27	Video signal control circuit

Country Status (10)

Country	Link
US (1)	US3873767A (en)
JP (1)	JPS5537146B2 (en)
BR (1)	BR7306628D0 (en)
CA (1)	CA1023843A (en)
DE (1)	DE2343338C3 (en)
ES (1)	ES418284A1 (en)
FR (1)	FR2198333B1 (en)
GB (1)	GB1434205A (en)
IT (1)	IT993079B (en)
NL (1)	NL7311853A (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5129016A (en) *	1974-09-05	1976-03-11	Sharp Kk	TEREBIJONJUZOKINIOKERU JIDOKODOSEIGENKAIRO
US4012775A (en) *	1975-04-28	1977-03-15	Thomson Csf Laboratories, Inc.	System for stabilizing cathode ray tube operation
US4070691A (en) *	1975-04-28	1978-01-24	Thomson-Csf Laboratories, Inc.	Stabilizing system for cathode ray tube
US3971067A (en) *	1975-05-23	1976-07-20	Rca Corporation	Automatic beam current limiter
US4091419A (en) *	1976-06-22	1978-05-23	Rhee Dennis W	Combination contrast/brightness control for a television receiver
JPS5553978A (en) *	1978-10-17	1980-04-19	Sony Corp	Automatic luminance adjusting device for television picture receiver
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
JPS56107674A (en) *	1980-01-31	1981-08-26	Sony Corp	Gradation correcting device of video signal
JPS575859A (en) *	1980-06-13	1982-01-12	Shinzo Sato	High temperature electrolytic nitriding method
US4376288A (en) *	1981-08-27	1983-03-08	Rca Corporation	Signal gain control with DC compensation
US4516152A (en) *	1983-05-23	1985-05-07	Rca Corporation	Video signal processor with automatic kinescope white balance and beam current limiter control systems
JPS60169557A (en) *	1984-02-10	1985-09-03	Sato Shinji	Steel article and material having very thick nitrided layer
JPH0628419B2 (en) *	1984-06-21	1994-04-13	ソニー株式会社	Image adjustment device
GB8521019D0 (en) *	1985-08-22	1986-10-01	Rank Pullin Controls Ltd	Imaging apparatus
JPS6318782A (en) *	1986-07-10	1988-01-26	Sony Corp	Contrast compensating circuit in photosensitive picture recording device
US4901156A (en) *	1986-12-26	1990-02-13	Goldstart Co., Ltd.	Automatic brightness limiting circuit
US4855864A (en) *	1988-07-22	1989-08-08	Zenith Electronics Corporation	High voltage shutdown circuit with brightness tracking
US5134490A (en) *	1989-04-18	1992-07-28	Thomson Consumer Electronics, Inc.	Beam current limiter with brightness control threshold extension
US4947253A (en) *	1989-04-18	1990-08-07	Rca Licensing Corporation	Brightness modulator for closed loop compensation of black level
US5021885A (en) *	1989-07-07	1991-06-04	Samsung Electronics Co., Ltd.	Automatic brightness limiter
FR2651080A1 (en) *	1989-08-18	1991-02-22	Hewlett Packard France Sa	GAIN CONTROL DEVICE FOR VIDEO MONITOR
JP2971552B2 (en) *	1990-10-15	1999-11-08	日本電気ホームエレクトロニクス株式会社	Display device
JPH04326056A (en) *	1991-04-25	1992-11-16	Olympus Optical Co Ltd	Supersonic microscope
US5200829A (en) *	1991-12-16	1993-04-06	Thomson Consumer Electronics, Inc.	Contrast beam current limiting arrangement with secondary brightness beam current limiting provisions
KR970000851B1 (en) *	1992-09-01	1997-01-20	마쯔시다덴기산교 가부시기가이샤	Video signal processor
JPH0827535A (en) *	1994-07-18	1996-01-30	Shinzo Sato	Nitrogen-containing super heat resistant light metal material and nitrogen-containing ultrahigh strength and rigidity light metal material and their production
KR970005942B1 (en) *	1994-09-16	1997-04-22	엘지전자 주식회사	Automatic modification apparatus for contrast in a monitor
US6411306B1 (en) *	1997-11-14	2002-06-25	Eastman Kodak Company	Automatic luminance and contrast adustment for display device
JP2001326877A (en) *	2000-05-18	2001-11-22	Mitsubishi Electric Corp	Beam current limit circuit for video projector
TW548964B (en) *	2001-01-24	2003-08-21	Koninkl Philips Electronics Nv	Window brightness enhancement for LCD display
US7277135B1 (en) *	2004-07-23	2007-10-02	National Semiconductor Corporation	Video display signal brightness control circuit
TW201445975A (en) *	2013-05-27	2014-12-01	Compal Electronics Inc	Apparatus and method for video processing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3009989A (en) *	1959-04-01	1961-11-21	Rca Corp	Television brightness and control circuit
US3535444A (en) *	1968-05-13	1970-10-20	Rca Corp	Noise immune video circuits
GB1240732A (en) *	1968-06-20	1971-07-28	Pye Ltd	Improvements in or relating to television receivers
US3622696A (en) *	1969-04-01	1971-11-23	Motorola Inc	Automatic contrast control for a television receiver
US3735029A (en) *	1971-04-09	1973-05-22	D Sunstein	Method and apparatus for maintaining the beam current of an image-display device within controlled limits
GB1400427A (en) *	1971-11-08	1975-07-16	Rca Corp	Video signal processing apparatus

1972
- 1972-08-28 JP JP8594772A patent/JPS5537146B2/ja not_active Expired
1973
- 1973-08-24 GB GB4023373A patent/GB1434205A/en not_active Expired
- 1973-08-27 CA CA179,658A patent/CA1023843A/en not_active Expired
- 1973-08-28 US US392201A patent/US3873767A/en not_active Expired - Lifetime
- 1973-08-28 IT IT28288/73A patent/IT993079B/en active
- 1973-08-28 NL NL7311853A patent/NL7311853A/xx not_active Application Discontinuation
- 1973-08-28 FR FR7331118A patent/FR2198333B1/fr not_active Expired
- 1973-08-28 DE DE2343338A patent/DE2343338C3/en not_active Expired
- 1973-08-28 ES ES418284A patent/ES418284A1/en not_active Expired
- 1973-08-28 BR BR6628/73A patent/BR7306628D0/en unknown

Also Published As

Publication number	Publication date
FR2198333B1 (en)	1978-02-17
IT993079B (en)	1975-09-30
GB1434205A (en)	1976-05-05
DE2343338C3 (en)	1978-08-24
DE2343338A1 (en)	1974-03-21
JPS4941023A (en)	1974-04-17
BR7306628D0 (en)	1974-07-11
ES418284A1 (en)	1976-03-16
DE2343338B2 (en)	1977-12-22
AU5970273A (en)	1975-03-06
FR2198333A1 (en)	1974-03-29
JPS5537146B2 (en)	1980-09-26
US3873767A (en)	1975-03-25
NL7311853A (en)	1974-03-04

Publication	Publication Date	Title
CA1023843A (en)	1978-01-03	Video signal control circuit
CA992164A (en)	1976-06-29	Gain control circuit
CA970046A (en)	1975-06-24	Signal control circuit
CA1017057A (en)	1977-09-06	Tracking control circuit
CA1007717A (en)	1977-03-29	Signal control circuit
CA983402A (en)	1976-02-10	High-tone control circuit
CA1008182A (en)	1977-04-05	Partitioning circuit employing external interrupt signal
CA1017054A (en)	1977-09-06	Signal discriminating circuit
CA992163A (en)	1976-06-29	Signal delay circuit
AU468858B2 (en)	1976-01-22	Signal control circuit
CA918759A (en)	1973-01-09	Signal control circuit
CA996194A (en)	1976-08-31	Automatic frequency control circuit
CA993529A (en)	1976-07-20	Gain control circuit
AU473385B2 (en)	1976-06-17	Gain control circuit
AU481111B2 (en)	1975-03-06	Video signal control circuit
AU5200773A (en)	1974-08-08	Speed control circuit
AU477728B2 (en)	1974-11-14	Signal control circuit
AU5568273A (en)	1974-11-14	Signal control circuit
CA970250A (en)	1975-07-01	Transmission control circuit
CA903631A (en)	1972-06-27	Control circuit
CA913726A (en)	1972-10-31	Control circuit
CA903359A (en)	1972-06-20	Control circuit
CA890602A (en)	1972-01-11	Control circuit
CA890279A (en)	1972-01-11	Control circuit
CA892816A (en)	1972-02-08	Video amplifier circuit