DE69535769D1 - Audio Video und Datenanbieter mit Verwendung von Telefonleitungen - Google Patents

Audio Video und Datenanbieter mit Verwendung von Telefonleitungen

Info

Publication number
DE69535769D1
DE69535769D1 DE69535769T DE69535769T DE69535769D1 DE 69535769 D1 DE69535769 D1 DE 69535769D1 DE 69535769 T DE69535769 T DE 69535769T DE 69535769 T DE69535769 T DE 69535769T DE 69535769 D1 DE69535769 D1 DE 69535769D1
Authority
DE
Germany
Prior art keywords
telephone lines
audio video
data providers
providers
data
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
DE69535769T
Other languages
English (en)
Inventor
Akira Kurihara
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69535769D1 publication Critical patent/DE69535769D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65Arrangements characterised by transmission systems for broadcast
    • H04H20/76Wired systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/107License processing; Key processing
    • G06F21/1077Recurrent authorisation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00115Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the record carrier stores a unique medium identifier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00137Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00137Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • G11B20/00144Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a user identifier, e.g. a unique customer ID
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00224Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a remote server
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00253Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0071Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a purchase action
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/0084Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific time or date
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/16Arrangements for conditional access to broadcast information or to broadcast-related services on playing information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/23Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/93Wired transmission systems
    • H04H60/94Telephonic networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/98Physical distribution of media, e.g. postcards, CDs or DVDs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00Data processing: database and file management or data structures
    • Y10S707/99931Database or file accessing
    • Y10S707/99939Privileged access
DE69535769T 1994-07-08 1995-07-04 Audio Video und Datenanbieter mit Verwendung von Telefonleitungen Expired - Lifetime DE69535769D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6156863A JPH0823315A (ja) 1994-07-08 1994-07-08 情報提供システム

Publications (1)

Publication Number Publication Date
DE69535769D1 true DE69535769D1 (de) 2008-07-31

Family

ID=15637042

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69535769T Expired - Lifetime DE69535769D1 (de) 1994-07-08 1995-07-04 Audio Video und Datenanbieter mit Verwendung von Telefonleitungen

Country Status (5)

Country Link
US (1) US5784609A (de)
EP (2) EP1320207A3 (de)
JP (1) JPH0823315A (de)
KR (2) KR960005338A (de)
DE (1) DE69535769D1 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7991347B1 (en) 1994-04-07 2011-08-02 Data Innovation Llc System and method for accessing set of digital data at a remote site
US7181758B1 (en) 1994-07-25 2007-02-20 Data Innovation, L.L.C. Information distribution and processing system
JPH09265731A (ja) 1996-01-24 1997-10-07 Sony Corp 音声再生装置及び方法、音声録音装置及び方法、音声録音再生システム、音声データの転送方法、情報受信装置、記録媒体
US5935249A (en) * 1997-02-26 1999-08-10 Sun Microsystems, Inc. Mechanism for embedding network based control systems in a local network interface device
US6173406B1 (en) * 1997-07-15 2001-01-09 Microsoft Corporation Authentication systems, methods, and computer program products
US6161179A (en) * 1997-09-05 2000-12-12 Wea Manufacturing, Inc. Key-based protection method for light-readable discs
JP3922482B2 (ja) 1997-10-14 2007-05-30 ソニー株式会社 情報処理装置および方法
AT1934U3 (de) * 1997-11-06 2005-09-26 Neustifter Wolfgang Verfahren zur benutzerspezifischen freischaltung und echtzeitdarstellung von videosequenzen
JP3906535B2 (ja) * 1997-11-07 2007-04-18 ソニー株式会社 ダウンロードシステム、及び記録媒体
JP3454700B2 (ja) * 1998-01-20 2003-10-06 富士通株式会社 情報記憶装置及びその制御方法
US20040098584A1 (en) * 1998-03-25 2004-05-20 Sherman Edward G. Method and system for embedded, automated, component-level control of computer systems and other complex systems
JP4786931B2 (ja) * 1998-09-04 2011-10-05 株式会社ソニー・コンピュータエンタテインメント データ送受信システム、データ受信装置およびデータ送信装置
JP3716902B2 (ja) * 1998-09-04 2005-11-16 株式会社ソニー・コンピュータエンタテインメント データ送受信システム、データ受信装置、データ送受信方法、データ受信方法及び記録媒体
CN1102288C (zh) * 1998-09-29 2003-02-26 文晔科技有限公司 游戏vcd播放机
JP2000260121A (ja) 1999-03-05 2000-09-22 Toshiba Corp 情報再生装置および情報記録装置
EP1233569B1 (de) * 1999-11-17 2009-01-07 Fujitsu Limited Datenverteilungssystem und zugehöriges aufzeichnungsmedium
US7047411B1 (en) 1999-12-17 2006-05-16 Microsoft Corporation Server for an electronic distribution system and method of operating same
US6970849B1 (en) 1999-12-17 2005-11-29 Microsoft Corporation Inter-server communication using request with encrypted parameter
US6996720B1 (en) * 1999-12-17 2006-02-07 Microsoft Corporation System and method for accessing protected content in a rights-management architecture
US6912528B2 (en) * 2000-01-18 2005-06-28 Gregg S. Homer Rechargeable media distribution and play system
US7051200B1 (en) 2000-06-27 2006-05-23 Microsoft Corporation System and method for interfacing a software process to secure repositories
US6891953B1 (en) 2000-06-27 2005-05-10 Microsoft Corporation Method and system for binding enhanced software features to a persona
US7017189B1 (en) * 2000-06-27 2006-03-21 Microsoft Corporation System and method for activating a rendering device in a multi-level rights-management architecture
US6981262B1 (en) 2000-06-27 2005-12-27 Microsoft Corporation System and method for client interaction in a multi-level rights-management architecture
US7171692B1 (en) 2000-06-27 2007-01-30 Microsoft Corporation Asynchronous communication within a server arrangement
US7539875B1 (en) 2000-06-27 2009-05-26 Microsoft Corporation Secure repository with layers of tamper resistance and system and method for providing same
US7158953B1 (en) * 2000-06-27 2007-01-02 Microsoft Corporation Method and system for limiting the use of user-specific software features
US7225159B2 (en) * 2000-06-30 2007-05-29 Microsoft Corporation Method for authenticating and securing integrated bookstore entries
US20020046045A1 (en) * 2000-06-30 2002-04-18 Attila Narin Architecture for an electronic shopping service integratable with a software application
JP2002062880A (ja) * 2000-08-17 2002-02-28 Sony Corp コンテンツ再生装置
JP4747160B2 (ja) * 2000-12-13 2011-08-17 日立コンシューマエレクトロニクス株式会社 ディジタル情報再生装置、ディジタル情報再生方法、ディジタル情報生成方法
JP4029569B2 (ja) 2000-12-13 2008-01-09 株式会社日立製作所 ディジタル情報記録再生装置、記録装置、受信装置および送信装置
JP2002312054A (ja) 2001-02-01 2002-10-25 Sony Computer Entertainment Inc コンピュータシステム及びその使用方法
US7188342B2 (en) * 2001-04-20 2007-03-06 Microsoft Corporation Server controlled branding of client software deployed over computer networks
DE10164133A1 (de) * 2001-12-30 2003-07-17 Juergen K Lang System und Verfahren zur Wiedergabe kopier- und nutzungsgeschützter Ton- und Bildmedien
DE10164135A1 (de) * 2001-12-30 2003-07-17 Juergen K Lang System und Verfahren zur kopier- und nutzungsgeschützten Ver- und Entschlüsselung, Übertragung und Speicherung elektronischer Ton- und Bildmedien
DE10164131A1 (de) * 2001-12-30 2003-07-17 Juergen K Lang Kryptographisches Modul zur Speicherung und Wiedergabe kopier-und nutzungsgeschützter elektronischer Ton- und Bildmedien
DE10164134A1 (de) * 2001-12-30 2003-07-17 Juergen K Lang System und Verfahren zur Erstellung und Verbreitung kopier- und nutzungsgeschützter elektronischer Ton- und Bildmedien und deren Dateninhalte
US6996744B2 (en) * 2002-04-04 2006-02-07 Microsoft Corporation Generating a passcode for resetting a game console
US20040133600A1 (en) * 2002-07-19 2004-07-08 Homer Gregg S. Rechargeable media distribution and play system
JP4529382B2 (ja) * 2003-05-29 2010-08-25 ソニー株式会社 情報処理装置及び情報処理方法
KR20060122906A (ko) * 2004-02-04 2006-11-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 저장 매체상에 암호화된 형태로 저장된 콘텐트에 사용자가액세스하는 것을 인증하는 장치 및 방법
JP2007529968A (ja) * 2004-03-18 2007-10-25 トムソン ライセンシング コンテンツへのアクセスを選択的に提供する方法及びシステム
EP2128867A1 (de) * 2008-05-28 2009-12-02 Sony DADC Austria AG Verfahren zur Steuerung des Zugriffs auf Inhalte eines Datenträgers
ES2400165T3 (es) * 2008-10-13 2013-04-08 Vodafone Holding Gmbh Procedimiento para proporcionar un acceso controlado a una tarjeta de memoria y tarjeta de memoria
US20170068822A1 (en) * 2015-09-03 2017-03-09 Bit Sphere Inc. Method for binding a software application's functionality to specific storage media

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654792A (en) * 1981-05-26 1987-03-31 Corban International, Ltd. Data processing system including data input authorization
JPS60183842A (ja) * 1984-03-02 1985-09-19 Toshiba Corp 伝送方式
US4652990A (en) * 1983-10-27 1987-03-24 Remote Systems, Inc. Protected software access control apparatus and method
US4845715A (en) * 1984-10-29 1989-07-04 Francisco Michael H Method for maintaining data processing system securing
CA1238427A (en) * 1984-12-18 1988-06-21 Jonathan Oseas Code protection using cryptography
US5010571A (en) * 1986-09-10 1991-04-23 Titan Linkabit Corporation Metering retrieval of encrypted data stored in customer data retrieval terminal
US5023907A (en) * 1988-09-30 1991-06-11 Apollo Computer, Inc. Network license server
US5560008A (en) * 1989-05-15 1996-09-24 International Business Machines Corporation Remote authentication and authorization in a distributed data processing system
EP0450841B1 (de) * 1990-03-29 1996-08-21 Gte Laboratories Incorporated Überwachungssystem für die Übertragung von Videosignalen
US5070404A (en) * 1990-05-15 1991-12-03 Bullock Communications, Inc. Method and apparatus for contemporaneous delivery of data
JP3023160B2 (ja) * 1990-10-11 2000-03-21 日本放送協会 放送受信制御方式
US5260999A (en) * 1991-06-28 1993-11-09 Digital Equipment Corporation Filters in license management system
US5204897A (en) * 1991-06-28 1993-04-20 Digital Equipment Corporation Management interface for license management system
US5940504A (en) * 1991-07-01 1999-08-17 Infologic Software, Inc. Licensing management system and method in which datagrams including an address of a licensee and indicative of use of a licensed product are sent from the licensee's site
JP3073590B2 (ja) * 1992-03-16 2000-08-07 富士通株式会社 電子化データ保護システム、使用許諾者側装置および使用者側装置
US5291598A (en) * 1992-04-07 1994-03-01 Gregory Grundy Method and system for decentralized manufacture of copy-controlled software
JPH08504976A (ja) * 1992-09-21 1996-05-28 ユニロック (シンガポール) プライベート リミテッド ソフトウェア登録システム
JP3166943B2 (ja) * 1992-12-31 2001-05-14 ソニー株式会社 データベースアクセス処理方法
US5822291A (en) * 1995-03-23 1998-10-13 Zoom Television, Inc. Mass storage element and drive unit therefor

Also Published As

Publication number Publication date
EP0691762A2 (de) 1996-01-10
EP0691762A3 (de) 1997-12-17
JPH0823315A (ja) 1996-01-23
EP0691762B1 (de) 2008-06-18
EP1320207A2 (de) 2003-06-18
US5784609A (en) 1998-07-21
KR100492641B1 (ko) 2005-06-02
KR960005338A (de) 1996-02-23
EP1320207A3 (de) 2008-03-19

Similar Documents

Publication Publication Date Title
DE69535769D1 (de) Audio Video und Datenanbieter mit Verwendung von Telefonleitungen
DE69517856D1 (de) Fernsehbildkodier- und Aufnahmevorrichtung und Fernsehbildkodier-, Aufnahme- und Wiedergabevorrichtung
DE69524835D1 (de) Wiedergabe von Stehbilddaten
DE69507856T2 (de) Verschlüsselung von digitaler Information
DE69424078T2 (de) Datenwiedergabeverfahren und Datenwiedergabegerät
DE69400819T2 (de) Digitaler audiobegrenzer
DE69519653T2 (de) Datenwiedergabe
DE69528800T2 (de) Datenverwaltungsmodul und Datenwiedergabeverwaltungssystem
DE69533790D1 (de) Telekommunikationsschnittstelle für einheitliche Handhabung von variierten ANALOG- ABGELEITETEN UND DIGITALEN DATENSTRÖMEN
DK1133814T3 (da) Afskærmningsindretning til tilslutningslister til telekommunikations- og datateknik
DE69534155D1 (de) Datenübertragungssystem und entsprechendes Datenübertragungsendgerät
FI973955A0 (fi) Dataanslutning i telefonsystem
DE69631578D1 (de) Endgerät für Telekommunikation und Informationsverarbeitung
DE69511110D1 (de) Datenkonferenznetz
DE69435143D1 (de) Verabeitung von digitalen Videodaten
DE69610966T2 (de) Digitales Filter und Tonwiedergabegerät damit
DE69516969T2 (de) Datenwiedergabe
DE69526195T2 (de) Datenwiedergabeverfahren und -vorrichtung
DE69617279D1 (de) Datenaufzeichnung und -wiedergabe
DE69836883D1 (de) Datenübertragungssystem und -wiedergabegerät
DE69619597T2 (de) Videodatenaufzeichnung und -wiedergabe
DE69836188D1 (de) Digitaldatenübertragungsvorrichtung und -verfahren
DE69613029T2 (de) Videodatenaufzeichnung und -wiedergabe
DE59909772D1 (de) Lokales video- und audionetzwerk mit optischer datenleitung
FR2711874B1 (fr) Terminal de télécommunications visuelles et sonores.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)