DE69200787D1 - Videoverstärkervorrichtung. - Google Patents
Videoverstärkervorrichtung.Info
- Publication number
- DE69200787D1 DE69200787D1 DE69200787T DE69200787T DE69200787D1 DE 69200787 D1 DE69200787 D1 DE 69200787D1 DE 69200787 T DE69200787 T DE 69200787T DE 69200787 T DE69200787 T DE 69200787T DE 69200787 D1 DE69200787 D1 DE 69200787D1
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Picture Signal Circuits (AREA)
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 true DE69200787D1 (de) | 1995-01-19 |
DE69200787T2 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)
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)
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 |
-
1991
- 1991-03-29 FR FR9103852A patent/FR2674705A1/fr active Pending
-
1992
- 1992-02-24 US US07/840,364 patent/US5282039A/en not_active Expired - Fee Related
- 1992-03-20 DE DE69200787T patent/DE69200787T2/de not_active Expired - Fee Related
- 1992-03-20 EP EP92200802A patent/EP0506186B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0506186A1 (de) | 1992-09-30 |
US5282039A (en) | 1994-01-25 |
FR2674705A1 (fr) | 1992-10-02 |
EP0506186B1 (de) | 1994-12-07 |
DE69200787T2 (de) | 1995-06-29 |
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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 |