DE68927674T2 - Ausserhaus-fernsehkanalverbotverfahren und- anordnung - Google Patents

Ausserhaus-fernsehkanalverbotverfahren und- anordnung

Info

Publication number
DE68927674T2
DE68927674T2 DE68927674T DE68927674T DE68927674T2 DE 68927674 T2 DE68927674 T2 DE 68927674T2 DE 68927674 T DE68927674 T DE 68927674T DE 68927674 T DE68927674 T DE 68927674T DE 68927674 T2 DE68927674 T2 DE 68927674T2
Authority
DE
Germany
Prior art keywords
voltage controlled
frequency
oscillators
control means
normal mode
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
DE68927674T
Other languages
English (en)
Other versions
DE68927674D1 (de
Inventor
Lamar West
Christopher Plonsky
James Farmer
David Durand
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.)
Scientific Atlanta LLC
Original Assignee
Scientific Atlanta LLC
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 Scientific Atlanta LLC filed Critical Scientific Atlanta LLC
Publication of DE68927674D1 publication Critical patent/DE68927674D1/de
Application granted granted Critical
Publication of DE68927674T2 publication Critical patent/DE68927674T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/28—Countermeasures against jamming with jamming and anti-jamming mechanisms both included in a same device or system, e.g. wherein anti-jamming includes prevention of undesired self-jamming resulting from jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/86—Jamming or countermeasure characterized by its function related to preventing deceptive jamming or unauthorized interrogation or access, e.g. WLAN access or RFID reading
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/166—Passage/non-passage of the television signal, e.g. jamming, band suppression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/10—Jamming or countermeasure used for a particular application
    • H04K2203/14—Jamming or countermeasure used for a particular application for the transfer of light or images, e.g. for video-surveillance, for television or from a computer screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/43—Jamming having variable characteristics characterized by the control of the jamming power, signal-to-noise ratio or geographic coverage area
DE68927674T 1988-03-10 1989-03-10 Ausserhaus-fernsehkanalverbotverfahren und- anordnung Expired - Fee Related DE68927674T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/166,302 US4912760A (en) 1988-03-10 1988-03-10 Off-premises cable television channel interdiction method and apparatus
PCT/US1989/000907 WO1989008966A1 (en) 1988-03-10 1989-03-10 Off-premises cable television channel interdiction method and apparatus

Publications (2)

Publication Number Publication Date
DE68927674D1 DE68927674D1 (de) 1997-02-27
DE68927674T2 true DE68927674T2 (de) 1997-05-15

Family

ID=22602679

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927674T Expired - Fee Related DE68927674T2 (de) 1988-03-10 1989-03-10 Ausserhaus-fernsehkanalverbotverfahren und- anordnung

Country Status (10)

Country Link
US (1) US4912760A (de)
EP (1) EP0403570B1 (de)
JP (1) JPH03504432A (de)
CN (1) CN1037626A (de)
AT (1) ATE147916T1 (de)
AU (1) AU3446089A (de)
CA (1) CA1334444C (de)
DE (1) DE68927674T2 (de)
MX (1) MX167007B (de)
WO (1) WO1989008966A1 (de)

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US5243651A (en) * 1992-06-10 1993-09-07 Scientific-Atlanta, Inc. Diagnostic method and apparatus for a cable television interdiction system
WO1993026127A1 (en) * 1992-06-10 1993-12-23 Scientific-Atlanta, Inc. Interdiction method and apparatus with direct memory control of variable frequency elements
US5265160A (en) * 1992-06-10 1993-11-23 Scientific-Atlanta, Inc. Interdiction method and apparatus with pulsed mode jamming
WO1993026125A1 (en) * 1992-06-10 1993-12-23 Scientific-Atlanta, Inc. Interdiction method and apparatus with random mode jamming
US5604528A (en) * 1992-06-10 1997-02-18 Scientific-Atlanta, Inc. Method and apparatus for providing periodic subscription television services
US5278908A (en) * 1992-06-10 1994-01-11 Scientific-Atlanta, Inc. Interdiction method and apparatus with programmable jamming effectiveness
US5243647A (en) * 1992-06-10 1993-09-07 Scientific-Atlanta, Inc. Method and apparatus for broadband signal distribution
WO1993026126A1 (en) * 1992-06-10 1993-12-23 Scientific-Atlanta, Inc. Interdiction method and apparatus with frequency change inhibit function
US5436822A (en) * 1992-07-31 1995-07-25 Scientific-Atlanta, Inc. Polarity reversing DC power supply for remotely located equipment
US5396642A (en) * 1992-08-14 1995-03-07 Electroline Equipment Inc. Variable frequency CATV jamming method and apparatus
US5367571A (en) * 1992-12-02 1994-11-22 Scientific-Atlanta, Inc. Subscriber terminal with plug in expansion card
US6166728A (en) * 1992-12-02 2000-12-26 Scientific-Atlanta, Inc. Display system with programmable display parameters
US5440632A (en) * 1992-12-02 1995-08-08 Scientific-Atlanta, Inc. Reprogrammable subscriber terminal
US20050114906A1 (en) * 1993-05-03 2005-05-26 Ictv, Inc. System for interactive television
FR2708167B1 (fr) * 1993-07-20 1995-09-01 Telediffusion Fse Procédé et système de commande de mode d'accès à des signaux, notamment d'image.
US5640452A (en) * 1995-04-28 1997-06-17 Trimble Navigation Limited Location-sensitive decryption of an encrypted message
SE507718C2 (sv) * 1996-09-13 1998-07-06 Ericsson Telefon Ab L M Förfarande och anordning för att koda kabeltelevision
US5905942A (en) * 1997-02-18 1999-05-18 Lodgenet Entertainment Corporation Multiple dwelling unit interactive audio/video distribution system
JP2001526506A (ja) * 1997-12-09 2001-12-18 アイシーティーブイ・インク 対話型ケーブルテレビジョンシステム上の仮想ｌａｎ印刷
US6205582B1 (en) 1997-12-09 2001-03-20 Ictv, Inc. Interactive cable television system with frame server
US6694517B1 (en) 1999-08-27 2004-02-17 Diversified Control, Inc. Broadband communication network with low power addressable tap system for controlling subscriber access
US7069578B1 (en) 2000-02-04 2006-06-27 Scientific-Atlanta, Inc. Settop cable television control device and method including bootloader software and code version table for maintaining and updating settop receiver operating system software
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US20040125239A1 (en) * 2002-12-26 2004-07-01 David Rahn Television tuner supporting channel hopping
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EP2116051A2 (de) * 2007-01-12 2009-11-11 ActiveVideo Networks, Inc. Mpeg-objekte und systeme und verfahren zur verwendung von mpeg-objekten
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
JP5345872B2 (ja) * 2009-02-26 2013-11-20 中国電力株式会社 高速通信システム
EP2628306B1 (de) 2010-10-14 2017-11-22 ActiveVideo Networks, Inc. Streaming digitaler videoinhalte zwischen videovorrichtungen mithilfe eines kabelfernsehsystems
WO2012079782A1 (en) * 2010-12-17 2012-06-21 Telefonica, S.A. Method and device for distribution of multimedia communication channels in a passive optical network
EP2695388B1 (de) 2011-04-07 2017-06-07 ActiveVideo Networks, Inc. Latenzreduktion in videoverteilungsnetzwerken mit adaptiver bitrate
EP2815582B1 (de) 2012-01-09 2019-09-04 ActiveVideo Networks, Inc. Wiedergabe einer interaktiven vereinfachten benutzerschnittstelle auf einem fernsehgerät
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 (en) 2013-03-15 2014-09-18 Activevideo Networks, Inc. A multiple-mode system and method for providing user selectable video content
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 (de) 2013-06-06 2016-04-13 ActiveVideo Networks, Inc. Überlagerte darstellung einer benutzerschnittstelle auf quellvideoinhalten
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
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Also Published As

Publication number Publication date
AU3446089A (en) 1989-10-05
DE68927674D1 (de) 1997-02-27
EP0403570A4 (en) 1992-07-08
JPH03504432A (ja) 1991-09-26
EP0403570A1 (de) 1990-12-27
CA1334444C (en) 1995-02-14
EP0403570B1 (de) 1997-01-15
MX167007B (es) 1993-02-22
CN1037626A (zh) 1989-11-29
ATE147916T1 (de) 1997-02-15
US4912760A (en) 1990-03-27
WO1989008966A1 (en) 1989-09-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee