DE69200787T2 - Videoverstärkervorrichtung. - Google Patents

Videoverstärkervorrichtung.

Info

Publication number
DE69200787T2
DE69200787T2 DE69200787T DE69200787T DE69200787T2 DE 69200787 T2 DE69200787 T2 DE 69200787T2 DE 69200787 T DE69200787 T DE 69200787T DE 69200787 T DE69200787 T DE 69200787T DE 69200787 T2 DE69200787 T2 DE 69200787T2
Authority
DE
Germany
Prior art keywords
amplifier device
video amplifier
video
amplifier
Prior art date
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 - Fee Related
Application number
DE69200787T
Other languages
English (en)
Other versions
DE69200787D1 (de
Inventor
Philippe Vilard
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 Electronics 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.)
Filing date
Publication date
Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69200787D1 publication Critical patent/DE69200787D1/de
Application granted granted Critical
Publication of DE69200787T2 publication Critical patent/DE69200787T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/148—Video amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
DE69200787T 1991-03-29 1992-03-20 Videoverstärkervorrichtung. Expired - Fee Related DE69200787T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9103852A FR2674705A1 (fr) 1991-03-29 1991-03-29 Dispositif amplificateur video.

Publications (2)

Publication Number Publication Date
DE69200787D1 DE69200787D1 (de) 1995-01-19
DE69200787T2 true DE69200787T2 (de) 1995-06-29

Family

ID=9411279

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69200787T Expired - Fee Related DE69200787T2 (de) 1991-03-29 1992-03-20 Videoverstärkervorrichtung.

Country Status (4)

Country Link
US (1) US5282039A (de)
EP (1) EP0506186B1 (de)
DE (1) DE69200787T2 (de)
FR (1) FR2674705A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4419841A1 (de) * 1993-06-16 1994-12-22 Thomson Brandt Gmbh Verfahren zur Ansteuerung des Arbeitspunktes einer Verstärkerstufe
CA2145901C (en) * 1994-04-28 2000-02-22 Anton Werner Keller Kinescope driver apparatus with gamma correction
WO1998038734A2 (en) * 1997-02-27 1998-09-03 Koninklijke Philips Electronics N.V. Amplifier arrangement
US6738098B1 (en) 1998-09-30 2004-05-18 Thomson Licensing S.A. Video amplifier with integrated DC level shifting
JP2006101054A (ja) * 2004-09-29 2006-04-13 Oki Electric Ind Co Ltd 増幅回路
CN102711311B (zh) * 2011-03-28 2014-06-25 海洋王照明科技股份有限公司 一种led驱动电路及灯具
CN104867740B (zh) * 2014-02-25 2018-03-20 上海拜骋电器有限公司 触发开关

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL165617C (nl) * 1974-12-18 1981-04-15 Philips Nv Televisiebeeldweergeefinrichting met een video- versterker.
GB1582138A (en) * 1976-07-19 1980-12-31 Rca Corp Video amplifier circuit
NL184657C (nl) * 1978-01-25 1989-09-18 Philips Nv Televisiebeeldweergeefinrichting.
US4197558A (en) * 1978-02-16 1980-04-08 Rca Corporation Overload protection circuit for video amplifiers
DE2840822C3 (de) * 1978-09-20 1981-06-04 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Verstärkung von Videosignalen
US4293875A (en) * 1980-01-03 1981-10-06 Telegram Communications Corp. Wide bandwidth video amplifier
JPS5753110A (en) * 1980-09-16 1982-03-30 Toshiba Corp Power amplifier
US4727336A (en) * 1986-07-02 1988-02-23 Zenith Electronics Corporation Wide band low power loss video amplifier
US4999586A (en) * 1988-05-26 1991-03-12 North American Philips Corp Wideband class AB CRT cathode driver

Also Published As

Publication number Publication date
US5282039A (en) 1994-01-25
EP0506186A1 (de) 1992-09-30
EP0506186B1 (de) 1994-12-07
FR2674705A1 (fr) 1992-10-02
DE69200787D1 (de) 1995-01-19

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN

8339 Ceased/non-payment of the annual fee