DE69028258D1 - Videovorverstärkerschaltung - Google Patents
VideovorverstärkerschaltungInfo
- Publication number
- DE69028258D1 DE69028258D1 DE69028258T DE69028258T DE69028258D1 DE 69028258 D1 DE69028258 D1 DE 69028258D1 DE 69028258 T DE69028258 T DE 69028258T DE 69028258 T DE69028258 T DE 69028258T DE 69028258 D1 DE69028258 D1 DE 69028258D1
- Authority
- DE
- Germany
- Prior art keywords
- amplifier circuit
- video pre
- video
- amplifier
- circuit
- 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
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Picture Signal Circuits (AREA)
- Details Of Television Systems (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/386,384 US4984079A (en) | 1989-07-26 | 1989-07-26 | Video preamplifier circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69028258D1 true DE69028258D1 (de) | 1996-10-02 |
DE69028258T2 DE69028258T2 (de) | 1997-03-27 |
Family
ID=23525369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69028258T Expired - Fee Related DE69028258T2 (de) | 1989-07-26 | 1990-07-25 | Videovorverstärkerschaltung |
Country Status (5)
Country | Link |
---|---|
US (1) | US4984079A (de) |
EP (1) | EP0410399B1 (de) |
JP (1) | JPH0373673A (de) |
CA (1) | CA2019393C (de) |
DE (1) | DE69028258T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4140112A1 (de) * | 1991-12-05 | 1993-06-09 | Leybold Ag, 6450 Hanau, De | Verfahren und schaltung zur messung von teilchenstroemen |
FR2685832B1 (fr) * | 1991-12-31 | 1994-02-11 | Thomson Broadcast | Systeme correcteur de lignes de transmission. |
DE69327986T2 (de) * | 1992-06-03 | 2000-10-05 | Koninklijke Philips Electronics N.V., Eindhoven | System zur automatischen Kompensation der Kabeldämpfung |
US5432562A (en) * | 1993-01-26 | 1995-07-11 | U.S. Philips Corporation | Television signal reception |
CN1066594C (zh) * | 1995-09-19 | 2001-05-30 | 沈来沛 | 视频电线电缆长距离传输校正系统 |
US6115418A (en) | 1998-02-09 | 2000-09-05 | National Semiconductor Corporation | Simplified equalizer for twisted pair channel |
US6415003B1 (en) | 1998-09-11 | 2002-07-02 | National Semiconductor Corporation | Digital baseline wander correction circuit |
US6438163B1 (en) * | 1998-09-25 | 2002-08-20 | National Semiconductor Corporation | Cable length and quality indicator |
US6418172B1 (en) | 1999-04-21 | 2002-07-09 | National Semiconductor Corporation | Look-ahead maximum likelihood sequence estimation decoder |
US7050517B1 (en) | 2000-04-28 | 2006-05-23 | National Semiconductor Corporation | System and method suitable for receiving gigabit ethernet signals |
US7254198B1 (en) | 2000-04-28 | 2007-08-07 | National Semiconductor Corporation | Receiver system having analog pre-filter and digital equalizer |
JP4426222B2 (ja) * | 2003-07-10 | 2010-03-03 | 興和株式会社 | ケーブル延長装置 |
EP2479889B1 (de) * | 2011-01-19 | 2014-03-19 | Alcatel Lucent | Verstärkersystem und Verfahren zum Betrieb eines Verstärkersystems |
US9584041B2 (en) * | 2013-08-26 | 2017-02-28 | Google Technology Holdings LLC | Method and apparatus for charging devices using a multiple port power supply |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2302632A1 (fr) * | 1975-02-27 | 1976-09-24 | Stem Electronique | Commutateur cyclique |
US4032974A (en) * | 1975-10-20 | 1977-06-28 | North American Philips Corporation | Video processing circuit |
US4148069A (en) * | 1977-02-14 | 1979-04-03 | Harris Corporation | Automatic cable loss compensator for use in a television camera system |
US4220931A (en) * | 1978-05-12 | 1980-09-02 | Northern Telecom Systems Corporation | Composite video automatic gain control amplifier |
US4214261A (en) * | 1979-01-11 | 1980-07-22 | Rca Corporation | Synchronizing apparatus for remote television apparatus |
US4404551A (en) * | 1981-04-14 | 1983-09-13 | Reuters Limited | Plural video keyboard access system |
DE3148242A1 (de) * | 1981-12-05 | 1983-06-09 | Robert Bosch Gmbh, 7000 Stuttgart | Kabelentzerrerschaltung |
FR2555839B1 (fr) * | 1983-11-25 | 1986-01-24 | Thomson Csf | Dispositif amplificateur-limiteur a large bande |
JPS60248031A (ja) * | 1984-05-24 | 1985-12-07 | Nec Corp | 自動等化器 |
-
1989
- 1989-07-26 US US07/386,384 patent/US4984079A/en not_active Expired - Fee Related
-
1990
- 1990-06-20 CA CA002019393A patent/CA2019393C/en not_active Expired - Fee Related
- 1990-07-25 EP EP90114205A patent/EP0410399B1/de not_active Expired - Lifetime
- 1990-07-25 DE DE69028258T patent/DE69028258T2/de not_active Expired - Fee Related
- 1990-07-26 JP JP2198948A patent/JPH0373673A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA2019393C (en) | 1995-01-03 |
DE69028258T2 (de) | 1997-03-27 |
JPH0373673A (ja) | 1991-03-28 |
EP0410399A3 (en) | 1992-05-06 |
EP0410399A2 (de) | 1991-01-30 |
CA2019393A1 (en) | 1991-01-26 |
US4984079A (en) | 1991-01-08 |
EP0410399B1 (de) | 1996-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: RAYTHEON CO. (N.D.GES.D. STAATES DELAWARE), LEXING |
|
8339 | Ceased/non-payment of the annual fee |