FR2596604B1 - Appareil de reglage automatique du gain dans le canal du son d'un systeme de traitement d'un signal video brouille - Google Patents

Appareil de reglage automatique du gain dans le canal du son d'un systeme de traitement d'un signal video brouille

Info

Publication number
FR2596604B1
FR2596604B1 FR8704235A FR8704235A FR2596604B1 FR 2596604 B1 FR2596604 B1 FR 2596604B1 FR 8704235 A FR8704235 A FR 8704235A FR 8704235 A FR8704235 A FR 8704235A FR 2596604 B1 FR2596604 B1 FR 2596604B1
Authority
FR
France
Prior art keywords
interfered
gain
processing
video signal
sound channel
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
FR8704235A
Other languages
English (en)
Other versions
FR2596604A1 (fr
Inventor
Gary Allen Whitledge Et William Adamson Lagoni Mark Francis Rumreich
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of FR2596604A1 publication Critical patent/FR2596604A1/fr
Application granted granted Critical
Publication of FR2596604B1 publication Critical patent/FR2596604B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • 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
FR8704235A 1986-03-27 1987-03-26 Appareil de reglage automatique du gain dans le canal du son d'un systeme de traitement d'un signal video brouille Expired - Fee Related FR2596604B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/844,542 US4718086A (en) 1986-03-27 1986-03-27 AGC in sound channel of system for processing a scrambled video signal

Publications (2)

Publication Number Publication Date
FR2596604A1 FR2596604A1 (fr) 1987-10-02
FR2596604B1 true FR2596604B1 (fr) 1994-02-04

Family

ID=25293007

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8704235A Expired - Fee Related FR2596604B1 (fr) 1986-03-27 1987-03-26 Appareil de reglage automatique du gain dans le canal du son d'un systeme de traitement d'un signal video brouille

Country Status (7)

Country Link
US (1) US4718086A (fr)
JP (1) JP2517267B2 (fr)
KR (1) KR950006240B1 (fr)
CA (1) CA1269442A (fr)
DE (1) DE3709902A1 (fr)
FR (1) FR2596604B1 (fr)
GB (1) GB2188501B (fr)

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JPS6448584A (en) * 1987-08-18 1989-02-23 Alps Electric Co Ltd Catv converter
JPH01169883U (fr) * 1988-05-19 1989-11-30
JPH0693775B2 (ja) * 1988-09-21 1994-11-16 パイオニア株式会社 Ｃａｔｖ端末装置
JP2515086Y2 (ja) * 1989-03-08 1996-10-23 株式会社東芝 映像中間周波処理回路
US4974087A (en) * 1989-04-13 1990-11-27 Rca Licensing Corporation Parallel sound if with reference carrier derived from quasi-synchronous video detector
US5113440A (en) * 1989-07-21 1992-05-12 Oci Communcations, Inc. Universal decoder
JPH0396180A (ja) * 1989-09-08 1991-04-22 Sony Corp 受信装置
US5177613A (en) * 1990-02-26 1993-01-05 Thomson Consumer Electronics, Inc. Quasi-parallel if with shared saw filter
US5235424A (en) * 1992-02-06 1993-08-10 General Electric Company Automatic gain control system for a high definition television signal receiver
KR940007241B1 (ko) * 1992-03-09 1994-08-10 삼성전자 주식회사 반도체 메모리 장치의 로우 리던던시장치
US5305109A (en) * 1992-09-08 1994-04-19 Samsung Electronics Co., Ltd. Parallel untuned video if amplifiers supplied signals from TV 1st detector via respective input filters
US5331290A (en) * 1992-09-08 1994-07-19 Samsung Electronics Co., Ltd. Variable gain amplifier
US5365279A (en) * 1992-09-08 1994-11-15 Samsung Electronics Co., Ltd. Using D-C feedback with on-chip filtering to balance I-F drive to second detector in monolithic IC
DE4314767A1 (de) * 1993-05-05 1994-11-10 Philips Patentverwaltung Schaltungsanordnung zum Regeln der Amplitude eines Tonsignals
WO1996042168A1 (fr) * 1995-06-08 1996-12-27 Ictv, Inc. Systeme de voies etablis par commutations
US6169584B1 (en) 1997-12-05 2001-01-02 Motorola, Inc. Automatic modulation control of sync suppressed television signals
JP3612224B2 (ja) 1998-11-27 2005-01-19 アルプス電気株式会社 テレビジョン信号受信チューナー
EP1005155B1 (fr) * 1998-11-27 2005-03-16 Alps Electric Co., Ltd. Circuit d'accord pour la réception de signaux de télévision
KR100373440B1 (ko) * 2000-10-06 2003-02-25 주식회사 아진비젼 영상 송수신 제한 장치
JP2003018565A (ja) * 2001-06-28 2003-01-17 Pioneer Electronic Corp 映像信号伝送装置
US7557866B2 (en) 2003-04-15 2009-07-07 Asahi Kasei Emd Corporation Automatic gain control circuit
US8074248B2 (en) 2005-07-26 2011-12-06 Activevideo Networks, Inc. System and method for providing video content associated with a source image to a television in a communication network
EP2487919A3 (fr) * 2006-09-29 2014-03-12 Avinity Systems B.V. Procédé de mise à disposition de contenu de média à un dispositif client, système et logiciel correspondants
US9826197B2 (en) 2007-01-12 2017-11-21 Activevideo Networks, Inc. Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device
US9355681B2 (en) * 2007-01-12 2016-05-31 Activevideo Networks, Inc. MPEG objects and systems and methods for using MPEG objects
JP5866125B2 (ja) 2010-10-14 2016-02-17 アクティブビデオ ネットワークス， インコーポレイテッド ケーブルテレビシステムを使用したビデオ装置間のデジタルビデオストリーミング
WO2012138660A2 (fr) 2011-04-07 2012-10-11 Activevideo Networks, Inc. Réduction de la latence dans des réseaux de distribution vidéo à l'aide de débits binaires adaptatifs
WO2013106390A1 (fr) 2012-01-09 2013-07-18 Activevideo Networks, Inc. Rendu d'une interface utilisateur interactive utilisable par un utilisateur « bien installé dans son fauteuil », sur une télévision
US9800945B2 (en) 2012-04-03 2017-10-24 Activevideo Networks, Inc. Class-based intelligent multiplexing over unmanaged networks
US9123084B2 (en) 2012-04-12 2015-09-01 Activevideo Networks, Inc. Graphical application integration with MPEG objects
US10275128B2 (en) 2013-03-15 2019-04-30 Activevideo Networks, Inc. Multiple-mode system and method for providing user selectable video content
WO2014197879A1 (fr) 2013-06-06 2014-12-11 Activevideo Networks, Inc. Rendu d'interface utilisateur en incrustation sur une vidéo source
US9294785B2 (en) 2013-06-06 2016-03-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
US9219922B2 (en) 2013-06-06 2015-12-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
US9788029B2 (en) 2014-04-25 2017-10-10 Activevideo Networks, Inc. Intelligent multiplexing using class-based, multi-dimensioned decision logic for managed networks

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE393258A (fr) * 1931-12-26
GB460675A (en) * 1935-11-27 1937-02-02 Gen Electric Co Ltd Improvements in or relating to television receivers and the like
JPS51119706A (en) * 1975-04-14 1976-10-20 Asahi Denka Kogyo Kk Solvent fractionation of fat and oil
JPS597810Y2 (ja) * 1977-06-30 1984-03-09 ソニー株式会社 テレビジョン受像機
JPS5642411A (en) * 1979-09-13 1981-04-20 Matsushita Electric Ind Co Ltd Audio intermediate frequency circuit
US4408225A (en) * 1981-07-06 1983-10-04 Zenith Radio Corporation Subscription television decoder
US4470071A (en) * 1982-08-30 1984-09-04 Rca Corporation Television sound detection system using a frequency translation phase-locked loop
US4523228A (en) * 1983-02-15 1985-06-11 Scientific Atlanta Inc. Sync suppression scrambling of television signals for subscription TV
JPS60117882A (ja) * 1983-11-29 1985-06-25 Mitsubishi Electric Corp テレビジヨン受像機
JPS60239188A (ja) * 1984-05-12 1985-11-28 Sony Corp テレビジヨン信号復調装置
US4625240A (en) * 1984-07-25 1986-11-25 Eeco, Inc. Adaptive automatic gain control
US4533361A (en) * 1984-10-09 1985-08-06 Texaco Inc. Middle distillate containing storage stability additive

Also Published As

Publication number Publication date
JPS62236290A (ja) 1987-10-16
CA1269442C (fr) 1990-05-22
DE3709902A1 (de) 1987-10-08
DE3709902C2 (fr) 1990-05-23
JP2517267B2 (ja) 1996-07-24
US4718086A (en) 1988-01-05
KR950006240B1 (ko) 1995-06-12
KR870009584A (ko) 1987-10-27
FR2596604A1 (fr) 1987-10-02
CA1269442A (fr) 1990-05-22
GB2188501A (en) 1987-09-30
GB8706670D0 (en) 1987-04-23
GB2188501B (en) 1990-08-22

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Legal Events

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TP Transmission of property
ST Notification of lapse