HK1001883A1 - Multiple video input cleaning arrangement - Google Patents

Multiple video input cleaning arrangement

Info

Publication number: HK1001883A1
Authority: HK; Hong Kong
Prior art keywords: video input; multiple video; cleaning arrangement; input cleaning; arrangement
Prior art date: 1995-12-28

Application number

HK98100996A

Other languages

English (en)

Inventor

Mark Francis Rumreich

Original Assignee

Thomson Consumer Electronics

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.)

1995-12-28

Filing date

1998-02-10

Publication date

1998-07-17

1998-02-10 Application filed by Thomson Consumer Electronics filed Critical Thomson Consumer Electronics

1998-07-17 Publication of HK1001883A1 publication Critical patent/HK1001883A1/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
- 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
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Picture Signal Circuits (AREA)

HK98100996A 1995-12-28 1998-02-10 Multiple video input cleaning arrangement HK1001883A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US08/579,723 US5841488A (en)	1995-12-28	1995-12-28	Multiple video input clamping arrangement

Publications (1)

Publication Number	Publication Date
HK1001883A1 true HK1001883A1 (en)	1998-07-17

Family

ID=24318086

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HK98100996A HK1001883A1 (en)	1995-12-28	1998-02-10	Multiple video input cleaning arrangement

Country Status (10)

Country	Link
US (1)	US5841488A (zh)
EP (1)	EP0782331B1 (zh)
JP (1)	JP3540110B2 (zh)
KR (1)	KR100460549B1 (zh)
CN (1)	CN1125560C (zh)
DE (1)	DE69637168T2 (zh)
HK (1)	HK1001883A1 (zh)
MY (1)	MY127832A (zh)
SG (1)	SG96164A1 (zh)
TR (1)	TR199601047A2 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6738098B1 (en) *	1998-09-30	2004-05-18	Thomson Licensing S.A.	Video amplifier with integrated DC level shifting
US6774941B1 (en) *	1999-10-26	2004-08-10	National Semiconductor Corporation	CCD output processing stage that amplifies signals from colored pixels based on the conversion efficiency of the colored pixels
JP4121369B2 (ja) *	2000-11-27	2008-07-23	トムソンライセンシング	ビデオ信号のバックポーチ期間をクランプする装置
US7184097B2 (en) *	2000-12-20	2007-02-27	Matsushita Electric Industrial Co., Ltd.	On-screen display apparatus
US6956621B2 (en) *	2002-06-05	2005-10-18	Broadcom Corporation	High impedance digital full line video clamp
US7233365B2 (en) *	2004-09-01	2007-06-19	Maxim Integrated Products, Inc.	Digital DC restore methods and apparatus
US7391474B2 (en) *	2004-10-13	2008-06-24	Analog Devices, Inc.	Display interface systems and methods
US7345714B2 (en) *	2005-01-13	2008-03-18	National Semiconductor Corporation	Video signal clamp
US7486336B2 (en) *	2005-03-31	2009-02-03	Mstar Semiconductor, Inc.	ADC system, video decoder and related method for decoding composite video signal utilizing clock synchronized to subcarrier of composite video signal
JP4773179B2 (ja) *	2005-10-14	2011-09-14	富士フイルム株式会社	撮像装置
TWI307242B (en) *	2006-02-03	2009-03-01	Novatek Microelectronics Corp	Automatic clamping analog-to-digital converter
US20090021623A1 (en) *	2007-07-18	2009-01-22	Micron Technology, Inc.	Systems, methods and devices for a CMOS imager having a pixel output clamp
CN102916698A (zh) *	2011-08-05	2013-02-06	奇景光电股份有限公司	箝位电路以及共模电压产生电路
US9036369B2 (en) *	2012-10-12	2015-05-19	Power Integrations, Inc.	Programming of an integrated circuit on a multi-function terminal

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3730984A (en) *	1972-03-31	1973-05-01	Columbia Broadcasting Syst Inc	Method and apparatus for automatic video distortion correction
US3927255A (en) *	1974-05-01	1975-12-16	Rca Corp	Black level clamping circuit for a television signal processor
US4197557A (en) *	1977-05-05	1980-04-08	Rca Corporation	Brightness control circuit employing a closed control loop
US4663668A (en) *	1986-06-12	1987-05-05	Rca Corporation	Brightness clamping apparatus for TV receiver with multiple inputs
FR2611337B1 (fr) *	1987-02-20	1989-05-26	Thomson Semiconducteurs	Dispositif de commande automatique de gain de signaux video
US5325187A (en) *	1988-04-27	1994-06-28	Canon Kabushiki Kaisha	Image processing apparatus with back porch period sampling and clamping
US4965669A (en) *	1989-04-12	1990-10-23	Rca Licensing Corporation	Apparatus for digitally controlling the D.C. value of a processed signal
US5027017A (en) *	1990-01-19	1991-06-25	Rca Licensing Corporation	Sync tip clamp circuitry
US5079623A (en) *	1990-04-30	1992-01-07	Thomson Consumer Electronics, Inc.	Signal clamp for a dual function input terminal of a "one-chip" television signal processing IC
US5442406A (en) *	1990-06-01	1995-08-15	Thomson Consumer Electronics, Inc.	Wide screen television
JPH0449780A (ja) *	1990-06-18	1992-02-19	Victor Co Of Japan Ltd	ビデオ信号クランプ回路
JPH0450203A (ja) *	1990-06-19	1992-02-19	Shin Etsu Chem Co Ltd	重合体スケール付着防止剤および重合体スケールの付着防止方法
US5121117A (en) *	1991-03-19	1992-06-09	Zenith Electronics Corporation	Balanced A/D converter
US5251015A (en) *	1991-05-06	1993-10-05	Thomson Consumer Electronics, Inc.	Apparatus for positioning a timing signal relative to a synchronization signal derived in the deflection section of a television system
US5270819A (en) *	1991-07-29	1993-12-14	The Grass Valley Group, Inc.	Single loop analog-to-digital conversion and video clamping circuit compatible with automated diagnostics
GB9120950D0 (en) *	1991-10-02	1991-11-13	Philips Electronic Associated	Signal clamping
US5187568A (en) *	1991-10-03	1993-02-16	Zenith Electronics Corporation	Video processor having improved clamping system for color television receivers
US5371552A (en) *	1991-10-31	1994-12-06	North American Philips Corporation	Clamping circuit with offset compensation for analog-to-digital converters
US5339114A (en) *	1992-07-29	1994-08-16	Thomson Consumer Electronics, Inc.	Television receiver with luminance signal clamped offset and re-clamped prior to contrast control for preventing black level changes with contrast control changes when displaying luminance signals having elevated black level
US5329312A (en) *	1992-08-17	1994-07-12	Eastman Kodak Company	DC level control circuitry for CCD images
US5343255A (en) *	1992-09-17	1994-08-30	Thomson Consumer Electronics, Inc.	Video processing circuit with IF AGC loop, auxiliary video clamp and shared reference voltage source formed on common integrated circuit
ES2123602T3 (es) *	1992-09-17	1999-01-16	Thomson Consumer Electronics	Receptor de television con multiples entradas con bloqueo y separacion sincronizada combinados.
US5448308A (en) *	1993-02-05	1995-09-05	Thomson Consumer Electronics, Inc.	Apparatus for clamping a video signal level

1995
- 1995-12-28 US US08/579,723 patent/US5841488A/en not_active Expired - Lifetime
1996
- 1996-12-07 MY MYPI96005151A patent/MY127832A/en unknown
- 1996-12-09 EP EP96119682A patent/EP0782331B1/en not_active Expired - Lifetime
- 1996-12-09 DE DE69637168T patent/DE69637168T2/de not_active Expired - Lifetime
- 1996-12-12 SG SG9611647A patent/SG96164A1/en unknown
- 1996-12-24 CN CN96117920A patent/CN1125560C/zh not_active Expired - Fee Related
- 1996-12-25 JP JP34605096A patent/JP3540110B2/ja not_active Expired - Fee Related
- 1996-12-26 TR TR96/01047A patent/TR199601047A2/xx unknown
- 1996-12-28 KR KR1019960074745A patent/KR100460549B1/ko not_active IP Right Cessation
1998
- 1998-02-10 HK HK98100996A patent/HK1001883A1/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
MY127832A (en)	2006-12-29
CN1156938A (zh)	1997-08-13
JP3540110B2 (ja)	2004-07-07
US5841488A (en)	1998-11-24
DE69637168D1 (de)	2007-08-30
KR970058039A (ko)	1997-07-31
JPH09219831A (ja)	1997-08-19
EP0782331A2 (en)	1997-07-02
SG96164A1 (en)	2003-05-23
DE69637168T2 (de)	2007-12-27
EP0782331B1 (en)	2007-07-18
KR100460549B1 (ko)	2005-02-05
EP0782331A3 (en)	1998-07-15
CN1125560C (zh)	2003-10-22
TR199601047A2 (tr)	1997-07-21

Publication	Publication Date	Title
GB2309349B (en)	1999-12-22	Television set
GB2293293B (en)	1998-10-21	Interactive video system
GB9523869D0 (en)	1996-01-24	Interactive television
EP0705037A3 (en)	1997-03-12	Image input device
HK1012141A1 (en)	1999-07-23	Image input system
EP0689356A3 (en)	1997-01-08	Speech-based video system
EP0689362A3 (en)	1996-06-26	Sound synchronized video system
GB9401897D0 (en)	1994-03-30	Video processing
EP0762764A3 (en)	1997-07-16	Video encryption
HK1001883A1 (en)	1998-07-17	Multiple video input cleaning arrangement
GB2286311B (en)	1998-03-11	Video teleconferencing
GB9520722D0 (en)	1995-12-13	Cleaning system
EP0725543A3 (en)	1997-05-14	Television devices
GB2298332B (en)	1999-08-18	Video presenter
EP0725542A3 (en)	1997-05-14	TV devices
GB9324084D0 (en)	1994-01-12	Cleaning system
GB2307129B (en)	2000-01-26	Video down-conversion
GB2341510B (en)	2000-05-03	Video down-conversion
GB9623902D0 (en)	1997-01-08	Video conferencing
GB2279275B (en)	1997-04-16	Cleaning system
SG55234A1 (en)	1999-07-20	Tuner
GB9800578D0 (en)	1998-03-11	Videoconferencing
AU4999896A (en)	1996-10-16	Screen cleaning means
CA76779S (en)	1995-07-13	Television set
ZA962460B (en)	1996-07-25	Screen cleaning means

Legal Events

Date	Code	Title	Description
2004-12-15	PF	Patent in force
2009-07-31	PC	Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)	Effective date: 20081224