BR9004742A - Equipamento de recebimento de sinais video - Google Patents

Equipamento de recebimento de sinais video

Info

Publication number
BR9004742A
BR9004742A BR909004742A BR9004742A BR9004742A BR 9004742 A BR9004742 A BR 9004742A BR 909004742 A BR909004742 A BR 909004742A BR 9004742 A BR9004742 A BR 9004742A BR 9004742 A BR9004742 A BR 9004742A
Authority
BR
Brazil
Prior art keywords
video signal
signal receipt
receipt equipment
equipment
video
Prior art date
Application number
BR909004742A
Other languages
English (en)
Inventor
Joel Hamon
Albert Dorner
Original Assignee
Europ Rech Electr Lab
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 Europ Rech Electr Lab filed Critical Europ Rech Electr Lab
Publication of BR9004742A publication Critical patent/BR9004742A/pt

Links

Classifications

    • 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
    • H04N5/52—Automatic gain control
    • H04N5/53—Keyed automatic gain control
BR909004742A 1989-09-22 1990-09-21 Equipamento de recebimento de sinais video BR9004742A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8912483A FR2652473B1 (fr) 1989-09-22 1989-09-22 Equipement de reception de signaux video.

Publications (1)

Publication Number Publication Date
BR9004742A true BR9004742A (pt) 1991-09-10

Family

ID=9385770

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909004742A BR9004742A (pt) 1989-09-22 1990-09-21 Equipamento de recebimento de sinais video

Country Status (7)

Country Link
US (1) US5157493A (pt)
EP (1) EP0419341B1 (pt)
JP (1) JP3311345B2 (pt)
BR (1) BR9004742A (pt)
DE (1) DE69027568T2 (pt)
ES (1) ES2090112T3 (pt)
FR (1) FR2652473B1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2648554B2 (ja) * 1992-08-13 1997-09-03 インターナショナル・ビジネス・マシーンズ・コーポレイション Ｐｒｍｌディスク駆動システムの非同期ゲイン調整方法および装置
JPH06243580A (ja) * 1993-02-15 1994-09-02 Hitachi Ltd Ａｇｃ回路
US5451948A (en) * 1994-02-28 1995-09-19 Cubic Communications, Inc. Apparatus and method for combining analog and digital automatic gain control in receivers with digital signal processing
US5838390A (en) * 1995-12-22 1998-11-17 Cirrus Logic, Inc. System and method for multi-level gain control
US5614948A (en) * 1996-04-26 1997-03-25 Intel Corporation Camera having an adaptive gain control
EP0920195A1 (fr) * 1997-11-28 1999-06-02 Koninklijke Philips Electronics N.V. Dispositif d'acquisition et d'amplification de signaux électroniques
EP1071281B1 (en) * 1998-03-06 2003-06-04 Matsushita Electric Industrial Co., Ltd. Automatic luminance adjustment device and method
US6337676B1 (en) * 1998-03-30 2002-01-08 Kabushiki Kaisha Toshiba Flat-panel display device
US7206030B2 (en) * 2003-01-30 2007-04-17 Texas Instruments Incorporated Fast-convergence two-stage automatic gain control (AGC)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1680390A (en) * 1925-01-23 1928-08-14 American Telephone & Telegraph Picture-transmitting system
GB515209A (en) * 1938-08-26 1939-11-29 Emi Ltd Improvements in or relating to television systems
US2240600A (en) * 1938-07-16 1941-05-06 Philco Radio & Television Corp Automatic gain control system
US2938950A (en) * 1954-01-08 1960-05-31 Ferguson Radio Corp Automatic gain control circuits for television signal amplifiers
US2934602A (en) * 1954-02-09 1960-04-26 Pye Ltd Television receivers
US3560648A (en) * 1968-08-29 1971-02-02 Bell Telephone Labor Inc Sampled data automatic gain control circuit
US4149190A (en) * 1977-10-17 1979-04-10 Xerox Corporation Automatic gain control for video amplifier
US4434439A (en) * 1982-02-22 1984-02-28 Rca Corporation Digital television AGC arrangement
US4628362A (en) * 1985-05-02 1986-12-09 American Dynamics Corporation Combined video AGC and digitizing circuit
JPS6229377A (ja) * 1985-07-31 1987-02-07 Toshiba Corp 自動利得制御回路
FR2606956A1 (fr) * 1986-11-14 1988-05-20 Radiotechnique Compelec Dispositif de conversion analogique-numerique comportant un dispositif de controle automatique de gain
US4827191A (en) * 1987-09-08 1989-05-02 Motorola, Inc. Adaptive range/DC restoration circuit or use with analog to digital convertors

Also Published As

Publication number Publication date
DE69027568T2 (de) 1996-11-21
EP0419341A1 (fr) 1991-03-27
JP3311345B2 (ja) 2002-08-05
FR2652473A1 (fr) 1991-03-29
FR2652473B1 (fr) 1991-11-29
US5157493A (en) 1992-10-20
ES2090112T3 (es) 1996-10-16
EP0419341B1 (fr) 1996-06-26
DE69027568D1 (de) 1996-08-01
JPH03145287A (ja) 1991-06-20

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG Letter patent granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 21/09/2005

B15K Others concerning applications: alteration of classification

Ipc: H04N 5/53 (2006.01)