JPH10512428A - 時間シフト限定アクセス - Google Patents
時間シフト限定アクセスInfo
- Publication number
- JPH10512428A JPH10512428A JP9517183A JP51718397A JPH10512428A JP H10512428 A JPH10512428 A JP H10512428A JP 9517183 A JP9517183 A JP 9517183A JP 51718397 A JP51718397 A JP 51718397A JP H10512428 A JPH10512428 A JP H10512428A
- Authority
- JP
- Japan
- Prior art keywords
- control word
- limited access
- information
- krd
- access system
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000001143 conditioned effect Effects 0.000 abstract 1
- 238000013475 authorization Methods 0.000 description 26
- 238000010586 diagram Methods 0.000 description 7
- 238000012790 confirmation Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000004576 sand Substances 0.000 description 2
- 230000035943 smell Effects 0.000 description 2
- 101001005711 Homo sapiens MARVEL domain-containing protein 2 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 229910000498 pewter Inorganic materials 0.000 description 1
- 239000010957 pewter Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
-
- 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
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
-
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.スクランブルされた情報(SV)を制御ワード(CW)に応じてデスクラン ブルされた情報(DV)に変換するデスクランブラ(DSC)と、 前記デスクランブラ(DSC)への前記制御ワード(CW)の供給を管理す る安全装置(SCD)とを具える限定アクセスシステムにおいて、 該限定アクセスシステムが、前記制御ワード(CW)と等しくない制御ワー ド再生データ(KRD,ECM)を、スクランブルされた情報(SV)の記録に 関連して格納媒体(VTR)に供給する手段(CMP,MEM)を具え、前記安 全装置(SCD)が、 前記記録されたスクランブルされた情報(SV−R)の前記デスクランブラ (DSC)への供給に関連して、前記格納媒体(VTR)から読み出した制御ワ ード再生データ(KRD−R,ECM−R)から制御ワード(CW−R)を復元 する手段(CMP,MEM)を具えることを特徴とする限定アクセスシステム。 2.請求の範囲1に記載の限定アクセスシステムにおいて、前記制御ワード再生 データ(KRD,ECM)を供給する手段(CMP,MEM)を、前記安全装置 (SCD)に結合したことを特徴とする限定アクセスシステム。 3.請求の範囲1に記載の限定アクセスシステムにおいて、前記安全装置(SC D)を、前記制御ワード再生データを供給する手段(CMP,MEM)を制御す る権利情報を受けるように結合したことを特徴とする限定アクセスシステム。 4.請求の範囲1に記載の限定アクセスシステムにおいて、前記安全装置(SC D)を、前記制御ワードを復元する手段(CMP,MEM)を制御する権利情報 を受けるように結合したことを特徴とする限定アクセスシステム。 5.請求の範囲1に記載の限定アクセスシステムにおいて、前記安全装置(SC D)を分離可能とし、該システムが、前記分離可能な安全装置(SCD)を保持 するホルダ(HOL)を含むことを特徴とする限定アクセスシステム。 6.制御ワード(CW)に応じてスクランブルされた情報(SV)をデスクラン ブルされた情報(DV)に変換するデスクランブラ(DSC)への前記制御ワ ード(CW)の供給を管理する安全装置(SCD)において、該安全装置がさら に、 前記制御ワード(CW)と等しくない制御ワード再生データ(KRD,EC M)を供給する手段(CMP,MEM)と、 前記制御ワード再生データ(KRD,ECM)から前記制御ワード(CW) を復元する手段(CMP,MEM)とを具えることを特徴とする安全装置(SC D)。 7.スクランブルされた情報(SV)と、 前記スクランブルされた情報(SV)をデスクランブルする、制御ワード動 作されるデスクランブラ(DSC)において使用するために、制御ワード(CW )の復元を可能にする制御ワード復元データ(KRD,ECM)とを具える記録 媒体。 8.デスクランブラ(DSC)によって制御ワード(CW)に応じてデスクラン ブルされた情報(DV)に変換することができる送信されたスクランブルされた 情報(SV)の時間シフトされた限定アクセスの方法において、 前記スクランブルされた情報(SV)を記録するステップと、 前記制御ワード(CW)と等しくない制御ワード再生データ(KRD,EC M)を格納媒体(VTR)に供給するステップと、 記録されたスクランブルされた情報(SV−R)を前記デスクランブラ(D SC)に供給するステップと、 前記格納媒体(VTR)から制御ワード再生データ(KRD,ECM)を読 み出すステップと、 前記デスクランブラ(DSC)に供給するために、前記制御ワード再生デー タ(KRD,ECM)から前記制御ワード(CW)を復元するステップとを具え る方法。 9.請求の範囲1に記載の限定アクセスシステムにおける送信の方法において、 記録権利情報を前記安全装置に送信することを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL95202980.9 | 1995-10-31 | ||
EP95202980 | 1995-10-31 | ||
PCT/IB1996/001137 WO1997016924A1 (en) | 1995-10-31 | 1996-10-23 | Time-shifted conditional access |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10512428A true JPH10512428A (ja) | 1998-11-24 |
JP4491069B2 JP4491069B2 (ja) | 2010-06-30 |
Family
ID=8220794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51718397A Expired - Lifetime JP4491069B2 (ja) | 1995-10-31 | 1996-10-23 | 時間シフト限定アクセス |
Country Status (8)
Country | Link |
---|---|
US (1) | US5991400A (ja) |
EP (1) | EP0800745B1 (ja) |
JP (1) | JP4491069B2 (ja) |
KR (1) | KR100436610B1 (ja) |
DE (1) | DE69630012T2 (ja) |
ES (1) | ES2206594T3 (ja) |
MY (1) | MY118874A (ja) |
WO (1) | WO1997016924A1 (ja) |
Cited By (8)
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---|---|---|---|---|
JP2006512793A (ja) * | 2002-06-12 | 2006-04-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 条件付アクセス装置および方法 |
JP2010257475A (ja) * | 1998-11-25 | 2010-11-11 | Sony Electronics Inc | 記録されたデジタルプログラムにアクセスするための方法及び装置 |
JP2011510532A (ja) * | 2008-01-03 | 2011-03-31 | ▲済▼南市泰信▲電▼子有限▲責▼任公司 | デジタルテレビ限定受信システム及び処理手順 |
JP2011211708A (ja) * | 2010-03-26 | 2011-10-20 | Irdeto Corporate Bv | 個人向けホワイトボックス・デスクランバー |
JP2012165404A (ja) * | 2003-07-08 | 2012-08-30 | Qualcomm Inc | データ処理システムにおけるセキュリティのための方法と装置 |
US8971790B2 (en) | 2003-01-02 | 2015-03-03 | Qualcomm Incorporated | Method and apparatus for broadcast services in a communication system |
US8983065B2 (en) | 2001-10-09 | 2015-03-17 | Qualcomm Incorporated | Method and apparatus for security in a data processing system |
US9100457B2 (en) | 2001-03-28 | 2015-08-04 | Qualcomm Incorporated | Method and apparatus for transmission framing in a wireless communication system |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6937729B2 (en) | 1995-04-03 | 2005-08-30 | Scientific-Atlanta, Inc. | Representing entitlements to service in a conditional access system |
US8548166B2 (en) * | 1995-04-03 | 2013-10-01 | Anthony J. Wasilewski | Method for partially encrypting program data |
US7224798B2 (en) | 1995-04-03 | 2007-05-29 | Scientific-Atlanta, Inc. | Methods and apparatus for providing a partial dual-encrypted stream in a conditional access overlay system |
US7039802B1 (en) | 1997-06-06 | 2006-05-02 | Thomson Licensing | Conditional access system for set-top boxes |
US7515712B2 (en) | 1997-08-01 | 2009-04-07 | Cisco Technology, Inc. | Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system |
JP4119606B2 (ja) * | 1997-08-01 | 2008-07-16 | サイエンティフィック−アトランタ, インコーポレイテッド | 条件付きアクセスシステム中の登録許可のカプセル化のための機構および装置 |
US6987854B2 (en) | 1997-09-25 | 2006-01-17 | Thomson Licensing S.A. | Method and apparatus for recording of encrypted digital data |
US6069647A (en) * | 1998-01-29 | 2000-05-30 | Intel Corporation | Conditional access and content security method |
EP0936774A1 (en) * | 1998-02-13 | 1999-08-18 | CANAL+ Société Anonyme | Recording of scrambled digital data |
EP0936812A1 (en) * | 1998-02-13 | 1999-08-18 | CANAL+ Société Anonyme | Method and apparatus for recording of encrypted digital data |
JP3428420B2 (ja) * | 1998-02-25 | 2003-07-22 | 松下電器産業株式会社 | デジタル放送受信再生装置 |
US7257132B1 (en) * | 1998-02-26 | 2007-08-14 | Hitachi, Ltd. | Receiver set, information apparatus and receiving system |
IL123554A (en) * | 1998-03-04 | 2003-01-12 | Nds Ltd | Key delivery in a secure broadcasting system |
US8584255B2 (en) * | 1999-05-05 | 2013-11-12 | Sony United Kingdom Limited | Networked conditional access module |
EP0984630B1 (en) * | 1998-09-01 | 2006-08-23 | Irdeto Access B.V. | Data communication system |
US6351538B1 (en) * | 1998-10-06 | 2002-02-26 | Lsi Logic Corporation | Conditional access and copy protection scheme for MPEG encoded video data |
DE60045927D1 (de) * | 1999-02-25 | 2011-06-16 | Macrovision Corp | Verfahren und Gerät zur Kontrolle des Kopierens eines Video- oder Audiosignales unter Verwendung von Wasserzeichen |
EP1111923A1 (en) * | 1999-12-22 | 2001-06-27 | Irdeto Access B.V. | Method for operating a conditional access system for broadcast applications |
US20020114465A1 (en) * | 2000-01-05 | 2002-08-22 | Shen-Orr D. Chaim | Digital content delivery system and method |
JP2001237819A (ja) * | 2000-02-24 | 2001-08-31 | Nec Corp | 著作物再生システム,著作物復号装置,およびユーザ固有情報格納装置 |
AU2001241972A1 (en) * | 2000-03-02 | 2001-09-12 | Tivo, Inc. | Conditional access system and method for prevention of replay attacks |
US20020083438A1 (en) * | 2000-10-26 | 2002-06-27 | So Nicol Chung Pang | System for securely delivering encrypted content on demand with access contrl |
US8077679B2 (en) | 2001-03-28 | 2011-12-13 | Qualcomm Incorporated | Method and apparatus for providing protocol options in a wireless communication system |
US7693508B2 (en) * | 2001-03-28 | 2010-04-06 | Qualcomm Incorporated | Method and apparatus for broadcast signaling in a wireless communication system |
US8121296B2 (en) | 2001-03-28 | 2012-02-21 | Qualcomm Incorporated | Method and apparatus for security in a data processing system |
WO2002102075A1 (en) | 2001-06-08 | 2002-12-19 | Koninklijke Philips Electronics N.V. | Device and method for selectively supplying access to a service encrypted using a control word, and smart card |
US20030069964A1 (en) * | 2001-10-04 | 2003-04-10 | Shteyn Yevgeniy Eugene | Digital content catering system |
US7649829B2 (en) | 2001-10-12 | 2010-01-19 | Qualcomm Incorporated | Method and system for reduction of decoding complexity in a communication system |
AU2002367373A1 (en) * | 2002-01-14 | 2003-07-24 | Koninklijke Philips Electronics N.V. | System for providing time dependent conditional access |
US7477743B2 (en) * | 2002-02-07 | 2009-01-13 | Nokia Corporation | Hybrid network encrypt/decrypt scheme |
GB0206260D0 (en) * | 2002-03-16 | 2002-05-01 | Univ Bristol | Thermometer |
KR100956273B1 (ko) * | 2002-04-19 | 2010-05-10 | 이르데토 아인드호벤 비.브이. | 조건부 액세스 시스템 및 장치 |
JP2006513591A (ja) * | 2002-06-12 | 2006-04-20 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 条件付アクセス装置における暗号化されたデータのトリックプレイ |
CN1666523A (zh) * | 2002-07-11 | 2005-09-07 | 皇家飞利浦电子股份有限公司 | 提供数据流条件访问的设备 |
US20040093614A1 (en) * | 2002-10-29 | 2004-05-13 | Atsunori Sakurai | Conditional access system and receiver |
EP1418750A1 (en) * | 2002-11-11 | 2004-05-12 | STMicroelectronics Limited | Security integrated circuit |
US7379548B2 (en) * | 2003-01-31 | 2008-05-27 | Nds Limited | Virtual smart card device, method and system |
US8098818B2 (en) | 2003-07-07 | 2012-01-17 | Qualcomm Incorporated | Secure registration for a multicast-broadcast-multimedia system (MBMS) |
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EP1648170A1 (fr) * | 2004-10-15 | 2006-04-19 | Nagracard S.A. | Méthode de transmission de messages de gestion par un centre de gestion à destination d'une pluralité d'unités multimédia |
ES2528717T3 (es) * | 2005-10-07 | 2015-02-12 | Nagra France Sas | Método de verificación de derechos contenidos en un módulo de seguridad |
FR2894757B1 (fr) | 2005-12-13 | 2008-05-09 | Viaccess Sa | Procede de controle d'acces a un contenu embrouille |
EP1819163A1 (fr) * | 2006-02-10 | 2007-08-15 | NagraCard SA | Méthode de contrôle d'accès par pré-paiement |
KR100879428B1 (ko) | 2006-12-13 | 2009-01-20 | 주식회사 대우일렉트로닉스 | 셋톱박스의 조건부 액세스 모듈 삽입시 초기 인식 방법 |
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JP2009033411A (ja) * | 2007-07-26 | 2009-02-12 | Sharp Corp | 放送受信装置および有料番組提供システム |
US9485533B2 (en) | 2013-03-13 | 2016-11-01 | Nagrastar Llc | Systems and methods for assembling and extracting command and control data |
USD758372S1 (en) | 2013-03-13 | 2016-06-07 | Nagrastar Llc | Smart card interface |
USD759022S1 (en) | 2013-03-13 | 2016-06-14 | Nagrastar Llc | Smart card interface |
US9888283B2 (en) | 2013-03-13 | 2018-02-06 | Nagrastar Llc | Systems and methods for performing transport I/O |
US9647997B2 (en) | 2013-03-13 | 2017-05-09 | Nagrastar, Llc | USB interface for performing transport I/O |
USD729808S1 (en) | 2013-03-13 | 2015-05-19 | Nagrastar Llc | Smart card interface |
USD780763S1 (en) | 2015-03-20 | 2017-03-07 | Nagrastar Llc | Smart card interface |
USD864968S1 (en) | 2015-04-30 | 2019-10-29 | Echostar Technologies L.L.C. | Smart card interface |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4485468A (en) * | 1982-04-01 | 1984-11-27 | At&T Bell Laboratories | Control word generation method and source facilities for multirate data time division switching |
GB2132860B (en) * | 1982-12-21 | 1987-03-18 | British Broadcasting Corp | Conditional -access broadcast transmission |
GB2140656A (en) * | 1983-05-13 | 1984-11-28 | Philips Electronic Associated | Television transmission system |
GB2183378A (en) * | 1985-11-25 | 1987-06-03 | Philips Electronic Associated | Receiving scrambled signals |
US4937866A (en) * | 1986-08-13 | 1990-06-26 | U.S. Philips Corporation | System for decoding transmitted scrambled signals |
FR2631193B1 (fr) * | 1988-05-06 | 1994-09-16 | Europ Rech Electr Lab | Procede d'embrouillage et de desembrouillage de signaux video composites, et dispositif de mise en oeuvre |
US5249229A (en) * | 1989-04-04 | 1993-09-28 | Laboratoire Europeen De Recherches Electroniques Avancees Societe En Nom Collectif | Device and method for generating control signals |
SE464271B (sv) * | 1990-03-23 | 1991-03-25 | Televerket | Foerfarande och anordning foer kryptering/dekryptering av digitalt flerljud i teve |
FR2703552A1 (fr) * | 1993-03-31 | 1994-10-07 | Philips Electronics Nv | Procédé et dispositif pour l'embrouillage et le désembrouillage d'une émission déterminée de télévision. |
FR2710223A1 (fr) * | 1993-09-15 | 1995-03-24 | Philips Electronics Nv | Procédé pour l'embrouillage et le désembrouillage en télévision, et émetteur et récepteur utilisant ce procédé. |
KR0136458B1 (ko) * | 1994-12-08 | 1998-05-15 | 구자홍 | 디지탈 자기 기록재생 시스템의 복사 방지장치 |
KR0166923B1 (ko) * | 1995-09-18 | 1999-03-20 | 구자홍 | 디지탈 방송 시스템의 불법 시청 및 복사 방지방법 및 장치 |
-
1996
- 1996-10-23 EP EP96933569A patent/EP0800745B1/en not_active Expired - Lifetime
- 1996-10-23 KR KR1019970704431A patent/KR100436610B1/ko not_active IP Right Cessation
- 1996-10-23 WO PCT/IB1996/001137 patent/WO1997016924A1/en active IP Right Grant
- 1996-10-23 ES ES96933569T patent/ES2206594T3/es not_active Expired - Lifetime
- 1996-10-23 DE DE69630012T patent/DE69630012T2/de not_active Expired - Lifetime
- 1996-10-23 JP JP51718397A patent/JP4491069B2/ja not_active Expired - Lifetime
- 1996-10-29 US US08/741,155 patent/US5991400A/en not_active Expired - Lifetime
- 1996-10-30 MY MYPI96004526A patent/MY118874A/en unknown
Cited By (9)
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JP2010257475A (ja) * | 1998-11-25 | 2010-11-11 | Sony Electronics Inc | 記録されたデジタルプログラムにアクセスするための方法及び装置 |
US9100457B2 (en) | 2001-03-28 | 2015-08-04 | Qualcomm Incorporated | Method and apparatus for transmission framing in a wireless communication system |
US8983065B2 (en) | 2001-10-09 | 2015-03-17 | Qualcomm Incorporated | Method and apparatus for security in a data processing system |
JP2006512793A (ja) * | 2002-06-12 | 2006-04-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 条件付アクセス装置および方法 |
US8971790B2 (en) | 2003-01-02 | 2015-03-03 | Qualcomm Incorporated | Method and apparatus for broadcast services in a communication system |
JP2012165404A (ja) * | 2003-07-08 | 2012-08-30 | Qualcomm Inc | データ処理システムにおけるセキュリティのための方法と装置 |
JP2011510532A (ja) * | 2008-01-03 | 2011-03-31 | ▲済▼南市泰信▲電▼子有限▲責▼任公司 | デジタルテレビ限定受信システム及び処理手順 |
KR101449478B1 (ko) * | 2008-01-03 | 2014-10-15 | 산동 타이신 일렉트로닉스 컴퍼니 리미티드 | 디지털 텔레비전 제한수신시스템 및 그 수신방법 |
JP2011211708A (ja) * | 2010-03-26 | 2011-10-20 | Irdeto Corporate Bv | 個人向けホワイトボックス・デスクランバー |
Also Published As
Publication number | Publication date |
---|---|
DE69630012T2 (de) | 2004-06-03 |
ES2206594T3 (es) | 2004-05-16 |
DE69630012D1 (de) | 2003-10-23 |
EP0800745B1 (en) | 2003-09-17 |
WO1997016924A1 (en) | 1997-05-09 |
KR987001184A (ko) | 1998-04-30 |
EP0800745A1 (en) | 1997-10-15 |
KR100436610B1 (ko) | 2004-09-23 |
MY118874A (en) | 2005-02-28 |
JP4491069B2 (ja) | 2010-06-30 |
US5991400A (en) | 1999-11-23 |
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