DE69620708D1 - Verfahren zur Hintereinanderschaltung von austauschbaren, bedingungsabhängigen Zugangsmodulen, Schaltung zur Eingabe einer vorbestimmten Reihenfolge und Schaltung zur Erkennung dieser Reihenfolge zum Starten dieses Verfahrens - Google Patents

Verfahren zur Hintereinanderschaltung von austauschbaren, bedingungsabhängigen Zugangsmodulen, Schaltung zur Eingabe einer vorbestimmten Reihenfolge und Schaltung zur Erkennung dieser Reihenfolge zum Starten dieses Verfahrens

Info

Publication number
DE69620708D1
DE69620708D1 DE69620708T DE69620708T DE69620708D1 DE 69620708 D1 DE69620708 D1 DE 69620708D1 DE 69620708 T DE69620708 T DE 69620708T DE 69620708 T DE69620708 T DE 69620708T DE 69620708 D1 DE69620708 D1 DE 69620708D1
Authority
DE
Germany
Prior art keywords
circuit
sequence
recognizing
entering
starting
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 - Lifetime
Application number
DE69620708T
Other languages
English (en)
Other versions
DE69620708T2 (de
Inventor
Vito Mario De
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.)
Technicolor SA
Original Assignee
Thomson Multimedia SA
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 Thomson Multimedia SA filed Critical Thomson Multimedia SA
Application granted granted Critical
Publication of DE69620708D1 publication Critical patent/DE69620708D1/de
Publication of DE69620708T2 publication Critical patent/DE69620708T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • 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
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • H04N21/43853—Multiplex stream processing, e.g. multiplex stream decrypting involving multiplex stream decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
DE69620708T 1995-10-31 1996-10-11 Verfahren zur Hintereinanderschaltung von austauschbaren, bedingungsabhängigen Zugangsmodulen, Schaltung zur Eingabe einer vorbestimmten Reihenfolge und Schaltung zur Erkennung dieser Reihenfolge zum Starten dieses Verfahrens Expired - Lifetime DE69620708T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9512850A FR2740636B1 (fr) 1995-10-31 1995-10-31 Procede permettant la mise en cascade de modules d'acces conditionnel detachables, circuit d'insertion d'une sequence predefinie et circuit de detection de ladite sequence pour la mise en oeuvre du procede

Publications (2)

Publication Number Publication Date
DE69620708D1 true DE69620708D1 (de) 2002-05-23
DE69620708T2 DE69620708T2 (de) 2002-10-31

Family

ID=9484096

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69620708T Expired - Lifetime DE69620708T2 (de) 1995-10-31 1996-10-11 Verfahren zur Hintereinanderschaltung von austauschbaren, bedingungsabhängigen Zugangsmodulen, Schaltung zur Eingabe einer vorbestimmten Reihenfolge und Schaltung zur Erkennung dieser Reihenfolge zum Starten dieses Verfahrens

Country Status (9)

Country Link
US (1) US6396850B1 (de)
EP (1) EP0772361B1 (de)
JP (2) JP4338790B2 (de)
KR (1) KR100433112B1 (de)
CN (1) CN1085462C (de)
DE (1) DE69620708T2 (de)
FR (1) FR2740636B1 (de)
MY (1) MY116684A (de)
ZA (1) ZA968477B (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7113523B1 (en) * 1997-06-11 2006-09-26 Sony Corporation Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device
US8584255B2 (en) * 1999-05-05 2013-11-12 Sony United Kingdom Limited Networked conditional access module
US6694396B1 (en) * 1999-06-18 2004-02-17 Sony Corporation Interfacing an NRSS-A smart card within an NRSS-B PCMCIA
US7123307B1 (en) * 2001-02-23 2006-10-17 Silicon Image, Inc. Clock jitter limiting scheme in video transmission through multiple stages
AU2003260672A1 (en) * 2002-06-17 2003-12-31 Scm Microsystems Gmbh Method and interface for communication between a server and at least one receiver terminal
CN103152607B (zh) * 2013-01-10 2016-10-12 上海思华科技股份有限公司 视频超快速粗编方法
WO2016018042A1 (en) * 2014-07-31 2016-02-04 Lg Electronics Inc. Apparatus and method for transmitting/receiving processes of a broadcast signal
JP7263228B2 (ja) 2019-12-20 2023-04-24 川崎重工業株式会社 雌型、金型、曲げ加工装置、および曲げ加工方法
MX2023006278A (es) * 2020-12-01 2023-06-13 Arris Entpr Llc Soporte parcial de video asincronico usando el dispositivo r-macphy.
JP2024505547A (ja) * 2021-02-01 2024-02-06 アリス エンタープライジズ リミティド ライアビリティ カンパニー ビデオ配信のための適応型ビデオスルーレート
US11962400B2 (en) * 2021-05-03 2024-04-16 Arris Enterprises Llc System for channel map delivery for hi split cable networks
US11700402B1 (en) * 2022-03-25 2023-07-11 Nvidia Corporation Dynamically reducing stutter and latency in video streaming applications

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58182342A (ja) * 1982-04-19 1983-10-25 Nec Corp ル−プ回線制御処理装置
JPS63115438A (ja) * 1986-10-31 1988-05-20 Mitsubishi Cable Ind Ltd 中継器
JPH0282828A (ja) * 1988-09-20 1990-03-23 Nec Corp フレーム同期検出回路
JPH0310532A (ja) * 1989-06-08 1991-01-18 Toshiba Corp 回線品質診断装置
JPH04292010A (ja) * 1991-03-20 1992-10-16 Sony Corp 自動等化器
JPH0537511A (ja) * 1991-07-30 1993-02-12 Nec Corp ユニークワード検出回路
EP0550959A1 (de) * 1991-11-09 1993-07-14 David Arends Verbesserungen in oder bezüglich einer Dekodierung von Signalen
DE69310255T2 (de) * 1992-03-04 1997-08-14 Thomson Multimedia Sa Methode und Vorrichtung zur Kontrolle mehrerer Chipkarten
US5418784A (en) * 1993-06-30 1995-05-23 Digital Equipment Corporation Method and apparatus for use in a network of the ethernet type, to improve fairness by controlling the interpacket gap in the event of channel capture
FI95756C (fi) * 1994-03-21 1996-03-11 Nokia Technology Gmbh Menetelmä digitaalista informaatiota sisältävän bittivirran salaamiseksi ja salauksen purkamiseksi
US5619501A (en) * 1994-04-22 1997-04-08 Thomson Consumer Electronics, Inc. Conditional access filter as for a packet video signal inverse transport system
US5473385A (en) * 1994-06-07 1995-12-05 Tv/Com Technologies, Inc. Clock correction in a video data decoder using video synchronization signals
US5652627A (en) * 1994-09-27 1997-07-29 Lucent Technologies Inc. System and method for reducing jitter in a packet-based transmission network
US5619337A (en) * 1995-01-27 1997-04-08 Matsushita Electric Corporation Of America MPEG transport encoding/decoding system for recording transport streams
US5533021A (en) * 1995-02-03 1996-07-02 International Business Machines Corporation Apparatus and method for segmentation and time synchronization of the transmission of multimedia data
US5588025A (en) * 1995-03-15 1996-12-24 David Sarnoff Research Center, Inc. Single oscillator compressed digital information receiver
US5561791A (en) * 1995-04-10 1996-10-01 Digital Equipment Corporation Method and apparatus for conditioning timed program independent of transport timing
US5745696A (en) * 1995-04-10 1998-04-28 Digital Equipment Corporation Transport controller for timed program data
US5724446A (en) * 1995-04-18 1998-03-03 Advanced Micro Devices, Inc. Video decoder apparatus using non-reference frame as an additional prediction source and method therefor
US5790543A (en) * 1995-09-25 1998-08-04 Bell Atlantic Network Services, Inc. Apparatus and method for correcting jitter in data packets
US5812554A (en) * 1996-05-28 1998-09-22 Advanced Micro Devices, Inc. Efficiency of a network having a minimum data transmission time
US5870398A (en) * 1996-08-20 1999-02-09 International Business Machines Corporation Introducing inter-packet gaps in network transmissions

Also Published As

Publication number Publication date
EP0772361A1 (de) 1997-05-07
DE69620708T2 (de) 2002-10-31
MX9604442A (es) 1998-05-31
CN1154035A (zh) 1997-07-09
KR100433112B1 (ko) 2004-08-25
FR2740636B1 (fr) 1997-11-28
KR970025120A (ko) 1997-05-30
EP0772361B1 (de) 2002-04-17
US6396850B1 (en) 2002-05-28
CN1085462C (zh) 2002-05-22
JP2007135230A (ja) 2007-05-31
JP4611967B2 (ja) 2011-01-12
FR2740636A1 (fr) 1997-04-30
MY116684A (en) 2004-03-31
JP4338790B2 (ja) 2009-10-07
ZA968477B (en) 1997-05-20
JPH09200267A (ja) 1997-07-31

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