DE3884424D1 - Klemmschaltung fuer ein fernsehuebertragungssystem. - Google Patents

Klemmschaltung fuer ein fernsehuebertragungssystem.

Info

Publication number: DE3884424D1
Authority: DE; Germany
Prior art keywords: transmission system; terminal circuit; television transmission; television; terminal
Prior art date: 1987-02-09
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 - Lifetime

Application number

DE88200201T

Other languages

English (en)

Other versions

DE3884424T2 (de

Inventor

Ludovicus Herman Maria Engel

Weeserik Pieter Christo Pieket

Geert Winters

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1987-02-09

Filing date

1988-02-04

Publication date

1993-11-04

1988-02-04 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1993-11-04 Publication of DE3884424D1 publication Critical patent/DE3884424D1/de

1994-01-27 Application granted granted Critical

1994-01-27 Publication of DE3884424T2 publication Critical patent/DE3884424T2/de

2008-02-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000005540 biological transmission Effects 0.000 title 1

Classifications

- 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
- H04N5/185—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 for the black level
- 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
- H04N9/72—Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals

Landscapes

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

DE88200201T 1987-02-09 1988-02-04 Klemmschaltung für ein Fernsehübertragungssystem. Expired - Lifetime DE3884424T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8700294A NL8700294A (nl)	1987-02-09	1987-02-09	Klemcircuit voor een televisietransmissiesysteem.

Publications (2)

Publication Number	Publication Date
DE3884424D1 true DE3884424D1 (de)	1993-11-04
DE3884424T2 DE3884424T2 (de)	1994-01-27

Family

ID=19849534

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE88200201T Expired - Lifetime DE3884424T2 (de)	1987-02-09	1988-02-04	Klemmschaltung für ein Fernsehübertragungssystem.

Country Status (5)

Country	Link
US (1)	US4811087A (de)
EP (1)	EP0281175B1 (de)
JP (1)	JP2723895B2 (de)
DE (1)	DE3884424T2 (de)
NL (1)	NL8700294A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR930010616B1 (ko) *	1988-11-17	1993-10-30	마쓰시다 덴끼 산교오 가부시기가이샤	수상기 제어 장치
GB2228643B (en) *	1989-02-28	1993-05-19	Sony Corp	Video signal clamping
DE3925329A1 (de) *	1989-07-31	1991-02-07	Siemens Ag	Schaltungsanordnung zum regeln der amplitude von videosignalen
US5128764A (en) *	1989-10-27	1992-07-07	Siemens Aktiengesellschaft	Level correcting circuit having switched stages of differing time constants
FR2670068A1 (fr) *	1990-11-30	1992-06-05	Philips Electronics Nv	Dispositif d'alignement pour signal en bande de base.
JP3278855B2 (ja) *	1991-02-14	2002-04-30	ソニー株式会社	ビデオ信号処理回路
US5255095A (en) *	1991-11-26	1993-10-19	Eastman Kodak Company	DC restore circuit in a video interface for medical imaging system
FR2690032B1 (fr) *	1992-04-14	1996-02-23	Thomson Lgt	Procede d'alignement en television et dispositif pour sa mise en óoeuvre.
US5390020A (en) *	1992-09-14	1995-02-14	Eastman Kodak Company	Video amplifier stabilization for CRT printing
JP3127878B2 (ja)	1998-03-18	2001-01-29	日本電気株式会社	クランプ回路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1150378A (en) *	1966-12-08	1969-04-30	Rank Organisation Ltd	Improvements in or relating to Noise Limiting Circuit Arrangements
DE2507231B1 (de) *	1975-02-20	1976-05-20	Bosch Gmbh Robert	Schaltungsanordnung zur Wiedereinfuehrung des Gleichspannungsanteils in einem Videosignal
DE2759870C2 (de) *	1976-10-29	1983-10-20	Ampex Corp., 94063 Redwood City, Calif.	Anordnung zur Erzeugung einer vollen Farbbildsequenz einer Farbvideoinformation
US4218706A (en) *	1978-10-27	1980-08-19	Rockwell International Corporation	Video clamp
JPS5767380A (en) *	1980-10-15	1982-04-23	Alps Electric Co Ltd	Video clamping circuit
US4486781A (en) *	1982-04-19	1984-12-04	Xerox Corporation	Video signal white level corrector
EP0132841B1 (de) *	1983-07-25	1987-11-04	Hitachi, Ltd.	Signalverarbeitungsschaltung für eine Fernsehkamera
DE3428301A1 (de) *	1984-08-01	1986-02-13	Philips Patentverwaltung Gmbh, 2000 Hamburg	Schaltungsanordnung zur erzeugung von klemmimpulsen
JPS61161873A (ja) *	1985-01-11	1986-07-22	Nec Corp	映像信号のクランプ回路

1987
- 1987-02-09 NL NL8700294A patent/NL8700294A/nl not_active Application Discontinuation
1988
- 1988-02-02 US US07/151,343 patent/US4811087A/en not_active Expired - Lifetime
- 1988-02-04 EP EP88200201A patent/EP0281175B1/de not_active Expired - Lifetime
- 1988-02-04 DE DE88200201T patent/DE3884424T2/de not_active Expired - Lifetime
- 1988-02-08 JP JP63025848A patent/JP2723895B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JP2723895B2 (ja)	1998-03-09
JPS63283278A (ja)	1988-11-21
NL8700294A (nl)	1988-09-01
EP0281175A1 (de)	1988-09-07
DE3884424T2 (de)	1994-01-27
EP0281175B1 (de)	1993-09-29
US4811087A (en)	1989-03-07

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Legal Events

Date	Code	Title	Description
1994-10-27	8364	No opposition during term of opposition
1995-06-22	8327	Change in the person/name/address of the patent owner	Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL
1995-07-20	8328	Change in the person/name/address of the agent	Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN
1999-12-16	8327	Change in the person/name/address of the patent owner	Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N