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FR2593010B1 - Systeme de traitement d'un signal video brouille - Google Patents

Systeme de traitement d'un signal video brouille

Info

Publication number
FR2593010B1
FR2593010B1 FR878700329A FR8700329A FR2593010B1 FR 2593010 B1 FR2593010 B1 FR 2593010B1 FR 878700329 A FR878700329 A FR 878700329A FR 8700329 A FR8700329 A FR 8700329A FR 2593010 B1 FR2593010 B1 FR 2593010B1
Authority
FR
France
Prior art keywords
interferred
signal processing
processing system
video signal
video
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
FR878700329A
Other languages
English (en)
Other versions
FR2593010A1 (fr
Inventor
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 FR2593010A1 publication Critical patent/FR2593010A1/fr
Application granted granted Critical
Publication of FR2593010B1 publication Critical patent/FR2593010B1/fr
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
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/171—Systems operating in the amplitude domain of the television signal
    • H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR878700329A 1986-01-15 1987-01-14 Systeme de traitement d'un signal video brouille Expired - Fee Related FR2593010B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/819,412 US4670904A (en) 1986-01-15 1986-01-15 System for processing a scrambled video signal

Publications (2)

Publication Number Publication Date
FR2593010A1 FR2593010A1 (fr) 1987-07-17
FR2593010B1 true FR2593010B1 (fr) 1991-06-07

Family

ID=25228079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878700329A Expired - Fee Related FR2593010B1 (fr) 1986-01-15 1987-01-14 Systeme de traitement d'un signal video brouille

Country Status (9)

Country Link
US (1) US4670904A (fr)
JP (1) JPS62171390A (fr)
KR (1) KR950002668B1 (fr)
CA (1) CA1275727C (fr)
DE (1) DE3701030A1 (fr)
FR (1) FR2593010B1 (fr)
GB (1) GB2185669B (fr)
HK (1) HK118994A (fr)
SG (1) SG24592G (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4965825A (en) * 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
JPS6448584A (en) * 1987-08-18 1989-02-23 Alps Electric Co Ltd Catv converter
CA1292056C (fr) * 1987-09-07 1991-11-12 Masatoshi Tanaka Systeme de brouillage de signaux video
GB2233184B (en) * 1989-05-26 1993-05-19 Pioneer Electronic Corp Catv terminal unit having an improved descrambling operation
JPH04115790A (ja) * 1990-09-05 1992-04-16 Sharp Corp 同期回路
US5133009A (en) * 1990-10-04 1992-07-21 Thomson Consumer Electronics, Inc. Method and apparatus for defeating the operation of an ic built-in noise inverter
FI90612C (fi) * 1992-03-11 1994-02-25 Salon Televisiotehdas Oy Menetelmä ja dekooderi koodatun videosignaalin salauksen purkamiseksi
US5862219A (en) * 1995-05-12 1999-01-19 General Instrument Corporation Cable television setback decoder automatic control
US5812665A (en) * 1995-06-08 1998-09-22 Ictv, Inc. Switched channel system
CA2313133A1 (fr) * 1997-12-09 1999-06-17 Ictv, Inc. Impression en reseau local virtuel par systeme de telediffusion par cable interactive
JP2003018565A (ja) * 2001-06-28 2003-01-17 Pioneer Electronic Corp 映像信号伝送装置
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
EP2632164A3 (fr) 2007-01-12 2014-02-26 ActiveVideo Networks, Inc. Système de contenu codé interactif comprenant des modèles d'objet à visualiser sur un dispositif à distance
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
CA2814070A1 (fr) 2010-10-14 2012-04-19 Activevideo Networks, Inc. Diffusion en continu de videos numeriques entre des dispositifs video au moyen d'un systeme de television par cable
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
WO2014145921A1 (fr) 2013-03-15 2014-09-18 Activevideo Networks, Inc. Système à modes multiples et procédé de fourniture de contenu vidéo sélectionnable par un utilisateur
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
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
EP3005712A1 (fr) 2013-06-06 2016-04-13 ActiveVideo Networks, Inc. Rendu d'interface utilisateur en incrustation sur une vidéo source
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803700A (en) * 1952-03-01 1957-08-20 Rca Corp Signal level control of noise cancellation tube conduction threshold
US4042959A (en) * 1976-05-07 1977-08-16 Gte Sylvania Incorporated Noise suppression circuit
US4212032A (en) * 1978-08-18 1980-07-08 Rca Corporation Synchronization and gain control circuit
US4408225A (en) * 1981-07-06 1983-10-04 Zenith Radio Corporation Subscription television decoder
US4706285A (en) * 1985-12-24 1987-11-10 Rca Corporation Automatic gain control of a scrambled video signal

Also Published As

Publication number Publication date
US4670904A (en) 1987-06-02
DE3701030C2 (fr) 1988-11-17
DE3701030A1 (de) 1987-07-16
GB8700795D0 (en) 1987-02-18
KR950002668B1 (ko) 1995-03-24
JPS62171390A (ja) 1987-07-28
KR870007635A (ko) 1987-08-20
GB2185669B (en) 1989-10-25
JPH0462631B2 (fr) 1992-10-07
HK118994A (en) 1994-11-04
CA1275727C (fr) 1990-10-30
GB2185669A (en) 1987-07-22
FR2593010A1 (fr) 1987-07-17
SG24592G (en) 1992-05-15

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse