SG106075A1 - Digital work protection system, record/playback device, recording medium device, and model change device - Google Patents

Digital work protection system, record/playback device, recording medium device, and model change device

Info

Publication number
SG106075A1
SG106075A1 SG200203907A SG200203907A SG106075A1 SG 106075 A1 SG106075 A1 SG 106075A1 SG 200203907 A SG200203907 A SG 200203907A SG 200203907 A SG200203907 A SG 200203907A SG 106075 A1 SG106075 A1 SG 106075A1
Authority
SG
Singapore
Prior art keywords
unique information
record
storage unit
unit operable
read
Prior art date
Application number
SG200203907A
Other languages
English (en)
Inventor
Harada Shunji
Miyazaki Masaya
Matsui Shinichi
Inoue Shinji
Matsuzaki Natsume
Noguchi Naohiko
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of SG106075A1 publication Critical patent/SG106075A1/en

Links

Classifications

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    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
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    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
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    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
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    • G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
    • G06F21/1011—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities to devices
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
    • 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
    • H04N21/81—Monomedia components thereof
    • H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
    • H04N21/8113—Monomedia components thereof involving special audio data, e.g. different tracks for different languages comprising music, e.g. song in MP3 format
    • 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
    • H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03—Protecting confidentiality, e.g. by encryption
    • H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Technology Law (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Telephonic Communication Services (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
SG200203907A 2001-07-09 2002-06-29 Digital work protection system, record/playback device, recording medium device, and model change device SG106075A1 (en)

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EP (3) EP1280149B1 (fr)
KR (1) KR100939861B1 (fr)
CN (2) CN1253882C (fr)
AT (2) ATE330314T1 (fr)
BR (1) BR0202591A (fr)
DE (2) DE60224480T2 (fr)
MY (1) MY138856A (fr)
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Families Citing this family (107)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA04000193A (es) * 2001-07-09 2004-03-18 Matsushita Electric Ind Co Ltd Aparato para lectura de contenidos.
TWI308306B (en) 2001-07-09 2009-04-01 Matsushita Electric Ind Co Ltd Digital work protection system, record/playback device, recording medium device, and model change device
EP1445888A4 (fr) * 2001-10-12 2010-07-07 Panasonic Corp Appareil de traitement de contenu et programme de protection de contenu
JP4292736B2 (ja) * 2001-11-15 2009-07-08 ソニー株式会社 伝送システム、伝送方法
US7174017B2 (en) * 2002-03-04 2007-02-06 Lenovo Singapore Pte, Ltd Decryption system for encrypted audio
JP2004015141A (ja) * 2002-06-04 2004-01-15 Fuji Xerox Co Ltd データ伝送システムおよびその方法
JP2004086657A (ja) * 2002-08-28 2004-03-18 Sony Corp 情報処理装置および方法、記録媒体、並びにプログラム
JP3894883B2 (ja) * 2002-12-13 2007-03-22 シャープ株式会社 画像形成装置
FR2849307B1 (fr) * 2002-12-24 2006-10-27 Viaccess Sa Procede et systeme de securisation de donnees embrouillees
KR20040072256A (ko) * 2003-02-10 2004-08-18 삼성전자주식회사 컨텐츠에 대한 사용 제한 및 저작권 보호를 위한 통신단말기 및 컨텐츠 보안 시스템
US20050254367A1 (en) * 2004-05-13 2005-11-17 Volk Steven B Microminiature optical disc drive with wireless capability
US7275252B2 (en) * 2003-04-25 2007-09-25 Vmedia Research, Inc. Cell phone or other portable handset containing microminiature optical disc drive
US20040235521A1 (en) * 2003-05-01 2004-11-25 Salil Pradhan Method and system for exchanging digital media
US20050022019A1 (en) * 2003-07-05 2005-01-27 General Instrument Corporation Enforcement of playback count in secure hardware for presentation of digital productions
JP2005063079A (ja) * 2003-08-11 2005-03-10 Matsushita Electric Ind Co Ltd メモリカード装置、権利管理システムおよび時間管理方法
CN100341001C (zh) * 2003-09-22 2007-10-03 英华达（南京）科技有限公司 手持式电子装置及其所使用的处理图档数据的方法
DE10347751B4 (de) * 2003-10-14 2005-10-27 Siemens Ag Verfahren und Anordnungen zur Verschlüsselung von Speicherdateien auf mobilen Endgeräten
KR100643278B1 (ko) * 2003-10-22 2006-11-10 삼성전자주식회사 휴대용 저장 장치의 디지털 저작권을 관리하는 방법 및 장치
EP1542117A1 (fr) 2003-10-29 2005-06-15 Sony Ericsson Mobile Communications AB Lier un contenu à un utilisateur
JP4091908B2 (ja) * 2003-12-18 2008-05-28 株式会社エヌ・ティ・ティ・ドコモ 通信システム、通信端末装置および情報記憶モジュール
KR100605849B1 (ko) 2004-02-09 2006-08-01 삼성전자주식회사 휴대용 단말기의 데이터 저장 및 재생방법
US7499550B2 (en) * 2004-02-09 2009-03-03 International Business Machines Corporation System and method for protecting a title key in a secure distribution system for recordable media content
WO2005085975A1 (fr) * 2004-03-03 2005-09-15 Pioneer Corporation Dispositif electronique, son procede de commande, programme de securite et autres
EP1580644A3 (fr) 2004-03-15 2005-11-09 Yamaha Corporation Dispositiv électronique musical pour enregistrer et reproduire du contenu musical
FR2867868A1 (fr) * 2004-03-19 2005-09-23 Tan Truyen Tran Procede de protection de logiciels et de donnees avec methode de gestion de clefs securisees
CN100495365C (zh) * 2004-04-21 2009-06-03 松下电器产业株式会社 记录装置、记录介质和内容保护系统
JP2005316284A (ja) * 2004-04-30 2005-11-10 Hitachi Ltd 携帯端末とデータ保護システム
WO2005109734A1 (fr) * 2004-05-10 2005-11-17 Koninklijke Philips Electronics N.V. Appareil de communication personnelle permettant l'enregistrement de transactions securisees par des donnees biometriques
US7983139B2 (en) * 2007-11-30 2011-07-19 Vmedia Research, Inc. Small form factor optical data storage disc and cartridge
US8315144B2 (en) * 2004-05-13 2012-11-20 VMO Systems Inc. Small form factor optical disc drive for use in mobile electronic device
US20070149179A1 (en) * 2004-06-03 2007-06-28 Kazuyuki Kashiwabara Communication terminal allowing placing restrictions on disclosure of information, method implemented by communication terminal of placing restrictions on disclosure of information, and program therefor
JP2005351994A (ja) * 2004-06-08 2005-12-22 Sony Corp コンテンツ配信サーバ，コンテンツ配信方法，プログラム
US7536355B2 (en) * 2004-06-10 2009-05-19 Lsi Corporation Content security system for screening applications
JP4622334B2 (ja) * 2004-06-23 2011-02-02 日本電気株式会社 コンテンツデータ利用システム及びその方法並びに移動通信端末及びプログラム
EP1621955B1 (fr) * 2004-07-30 2017-06-07 Irdeto B.V. Méthode et dispositif d'accès à un contenu crypté
EP1621956B1 (fr) * 2004-07-30 2017-05-31 Irdeto B.V. Procédé fournissant des droits numériques
KR100698175B1 (ko) * 2004-09-02 2007-03-22 엘지전자 주식회사 단말간 멀티미디어 데이터 복사 방지 방법
KR100678893B1 (ko) * 2004-09-16 2007-02-07 삼성전자주식회사 객체 식별자를 이용하여 이동형 저장 장치에서 권리객체를 검색하는 방법 및 장치
JP2006127485A (ja) * 2004-09-30 2006-05-18 Sanyo Electric Co Ltd コンテンツ再生装置およびコンテンツ再生方法
US7856249B2 (en) * 2004-11-08 2010-12-21 Sony Ericsson Mobile Communications Ab Combined mass storage and subscriber identity module providing information security and apparatus for use therewith
US7450723B2 (en) * 2004-11-12 2008-11-11 International Business Machines Corporation Method and system for providing for security in communication
JP4131964B2 (ja) 2004-12-10 2008-08-13 株式会社東芝 情報端末装置
KR101032551B1 (ko) * 2004-12-27 2011-05-06 엘지전자 주식회사 콘텐츠 서비스 방법
JP4607173B2 (ja) * 2005-01-31 2011-01-05 パナソニック株式会社 バックアップ管理装置、バックアップ管理方法、コンピュータプログラム、記録媒体、集積回路及びバックアップシステム
FR2887050B1 (fr) * 2005-06-14 2007-10-05 Viaccess Sa Procede et systeme de securisation d'une transaction dans un reseau de telecommunication
GB2431028A (en) * 2005-06-29 2007-04-11 E L X Productions Entertainment system
US7570641B2 (en) * 2005-08-23 2009-08-04 Macrovision Corporation Techniques for watermarking and distributing content
JP4586684B2 (ja) * 2005-08-31 2010-11-24 ソニー株式会社 情報処理装置および方法、並びにプログラム
JP2007104613A (ja) * 2005-10-07 2007-04-19 Sony Computer Entertainment Inc 電子通信方法、電子通信システム、通信端末、およびサーバ
JP4866858B2 (ja) * 2005-10-26 2012-02-01 パナソニック株式会社 データ処理装置及び処理方法
KR20070053032A (ko) * 2005-11-18 2007-05-23 엘지전자 주식회사 장치 간의 디지털 저작권 관리 방법 및 시스템
DE102006006489A1 (de) 2006-02-10 2007-08-16 Bundesdruckerei Gmbh Verfahren zur Durchführung eines Schreibzugriffs, Computerprogrammprodukt, Computersystem und Chipkarte
US20070192427A1 (en) * 2006-02-16 2007-08-16 Viktors Berstis Ease of use feature for audio communications within chat conferences
US8787973B2 (en) 2006-03-20 2014-07-22 Sandisk Il Ltd. Device and method for controlling usage of a memory card
WO2007147170A2 (fr) * 2006-06-16 2007-12-21 Bittorrent, Inc. Classification et vérification de protocoles de transfert de fichiers statiques
US8953756B2 (en) * 2006-07-10 2015-02-10 International Business Machines Corporation Checking for permission to record VoIP messages
US20080028207A1 (en) * 2006-07-26 2008-01-31 Gregory Alan Bolcer Method & system for selectively granting access to digital content
US8595815B2 (en) * 2006-07-26 2013-11-26 Gregory Alan Bolcer System and method for selectively granting access to digital content
JP2008085515A (ja) * 2006-09-27 2008-04-10 Hitachi Ltd コンテンツ受信端末システム及びコンテンツ受信端末装置
US8892887B2 (en) 2006-10-10 2014-11-18 Qualcomm Incorporated Method and apparatus for mutual authentication
JP5026049B2 (ja) * 2006-10-25 2012-09-12 ソニー株式会社 メディアドライブ装置、メディアドライブ装置の動作方法、プログラム、プログラム記録媒体
JP4888057B2 (ja) * 2006-11-01 2012-02-29 富士通セミコンダクター株式会社 情報処理装置
EP2082347A2 (fr) * 2006-11-14 2009-07-29 Sandisk Corporation Procédés et appareils permettant de lier un contenu à un dispositif de mémoire distinct
US8079071B2 (en) 2006-11-14 2011-12-13 SanDisk Technologies, Inc. Methods for accessing content based on a session ticket
US8763110B2 (en) 2006-11-14 2014-06-24 Sandisk Technologies Inc. Apparatuses for binding content to a separate memory device
US8327454B2 (en) 2006-11-14 2012-12-04 Sandisk Technologies Inc. Method for allowing multiple users to access preview content
CN101193308A (zh) * 2006-11-22 2008-06-04 上海贝尔阿尔卡特股份有限公司 用于提供可在通信网络中播放的音/视频信号的方法及装置
KR100823892B1 (ko) * 2006-11-23 2008-04-21 삼성전자주식회사 디지털 컨텐츠의 저작권을 보호하기 위한 시스템 및 그방법
EP1981187A1 (fr) * 2007-04-11 2008-10-15 Axalto SA Procédé de stockage de contenu dans un terminal TV mobile pour permettre de rendre disponible d'avantage de voies apparentés
WO2009031215A1 (fr) * 2007-09-05 2009-03-12 Panasonic Corporation Dispositif électronique, procédé de commande de mot de passe et programme
US20090075698A1 (en) * 2007-09-14 2009-03-19 Zhimin Ding Removable Card And A Mobile Wireless Communication Device
US8146153B2 (en) 2007-12-31 2012-03-27 Sandisk Technologies Inc. Method and system for creating and accessing a secure storage area in a non-volatile memory card
SK50042008A3 (sk) * 2008-01-04 2009-09-07 Logomotion, S. R. O. Spôsob a systém autentifikácie najmä pri platbách, identifikátor totožnosti a/alebo súhlasu
SK288721B6 (sk) * 2008-03-25 2020-01-07 Smk Kk Spôsob, zapojenie a nosič na vykonávanie opakovaných operácií na klávesnici mobilného komunikačného zariadenia
US8499119B2 (en) * 2008-04-07 2013-07-30 Qualcomm Incorporated Method and apparatus for delivering and caching multiple pieces of content
US8856899B1 (en) * 2008-06-20 2014-10-07 United Services Automobile Association (Usaa) Systems and methods for obscuring entry of electronic security term
US8984645B2 (en) 2008-08-20 2015-03-17 Sandisk Technologies Inc. Accessing memory device content using a network
US8428649B2 (en) 2008-08-20 2013-04-23 Sandisk Technologies Inc. Memory device upgrade
KR20110057161A (ko) * 2008-08-20 2011-05-31 쌘디스크 코포레이션 메모리 장치 갱신
SK50862008A3 (sk) * 2008-09-19 2010-06-07 Logomotion, S. R. O. Systém na elektronické platobné aplikácie a spôsob autorizácie platby
US9098845B2 (en) * 2008-09-19 2015-08-04 Logomotion, S.R.O. Process of selling in electronic shop accessible from the mobile communication device
WO2010128442A2 (fr) * 2009-05-03 2010-11-11 Logomotion, S.R.O. Terminal de paiement utilisant un dispositif de communication mobile, tel qu'un téléphone mobile, procédé de transaction de paiement par débit direct
ES2401358T3 (es) * 2008-10-13 2013-04-18 Vodafone Holding Gmbh Procedimiento y terminal para proporcionar acceso controlado a una tarjeta de memoria
SK288641B6 (sk) * 2008-10-15 2019-02-04 Smk Corporation Spôsob komunikácie s POS terminálom, frekvenčný konventor k POS terminálu
KR101277149B1 (ko) * 2008-11-06 2013-06-20 삼성전자주식회사 사용자 데이터 암호화 방법 및 장치
SK500092009A3 (sk) * 2009-02-27 2010-09-07 Logomotion, S. R. O. Počítačová myš na zapojenie na prenos údajov, najmä pri elektronických platbách, spôsob prenosu údajov
US8484720B2 (en) * 2009-05-22 2013-07-09 Sandisk Il Ltd. Service binding method and system
US8844047B2 (en) * 2009-12-11 2014-09-23 General Motors Llc Secure programming of vehicle modules
EP3909631A1 (fr) 2009-12-22 2021-11-17 Fisher & Paykel Healthcare Limited Composants pour circuits médicaux
US8645699B2 (en) 2010-03-15 2014-02-04 Blackberry Limited Use of certificate authority to control a device's access to services
JP5624121B2 (ja) * 2010-03-26 2014-11-12 パナソニック株式会社 再生装置、コンテンツ配信システム、再生方法、コンピュータプログラム及び集積回路
CN103329141B (zh) * 2011-04-29 2017-05-03 中天安泰（北京）信息技术有限公司 数据安全存储方法及装置
KR101221350B1 (ko) * 2011-05-06 2013-01-11 주식회사 네오위즈인터넷 콘텐츠 이용 방법, 콘텐츠 이용 장치, 모바일 단말기 및 기록매체
KR101973510B1 (ko) * 2011-06-30 2019-05-09 삼성전자주식회사 컨텐츠를 보호하기 위한 저장 장치 및 호스트 장치와 그 방법
US9848236B2 (en) * 2011-10-17 2017-12-19 Mediapointe, Inc. System and method for digital media content creation and distribution
GB201120314D0 (en) * 2011-11-24 2012-01-04 Business Partners Ltd Secure database searching
US8826459B2 (en) * 2011-11-29 2014-09-02 Jason Swist Systems and methods of automatic multimedia transfer and playback
CN103164636B (zh) * 2011-12-09 2015-12-09 北大方正集团有限公司 一种在线阅读数字内容鉴权的方法及系统
ES2606602T3 (es) * 2012-08-02 2017-03-24 Banco Bilbao Vizcaya Argentaria, S.A. Método para la generación de un código, método y sistema de autorización de una operación
WO2015010214A1 (fr) * 2013-07-25 2015-01-29 Optotune Ag Écran de projection pour système de projection laser
US10623400B2 (en) * 2013-10-14 2020-04-14 Greg Hauw Method and device for credential and data protection
CN104392183B (zh) * 2014-11-10 2017-07-25 深圳市元征科技股份有限公司 汽车诊断设备自动检索校验车型文件的方法
GB201421672D0 (en) * 2014-12-05 2015-01-21 Business Partners Ltd Secure document management
US10027684B1 (en) 2015-04-22 2018-07-17 United Services Automobile Association (Usaa) Method and system for user credential security
CN106487763B (zh) * 2015-08-31 2020-01-10 腾讯科技（深圳）有限公司 一种基于云计算平台的数据访问方法及用户终端
US10733987B1 (en) * 2017-09-26 2020-08-04 Amazon Technologies, Inc. System and methods for providing unplayed content
EP3751532A1 (fr) 2019-06-13 2020-12-16 Rohde & Schwarz GmbH & Co. KG Système de commande et d'accès à distance et procédé correspondant

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6400996B1 (en) * 1999-02-01 2002-06-04 Steven M. Hoffberg Adaptive pattern recognition based control system and method
US6850252B1 (en) * 1999-10-05 2005-02-01 Steven M. Hoffberg Intelligent electronic appliance system and method
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
JPH08263438A (ja) * 1994-11-23 1996-10-11 Xerox Corp ディジタルワークの配給及び使用制御システム並びにディジタルワークへのアクセス制御方法
US5621793A (en) * 1995-05-05 1997-04-15 Rubin, Bednarek & Associates, Inc. TV set top box using GPS
JPH08335040A (ja) * 1995-06-02 1996-12-17 Fujitsu Ltd 暗号化処理方式
US5953419A (en) * 1996-05-06 1999-09-14 Symantec Corporation Cryptographic file labeling system for supporting secured access by multiple users
TW401573B (en) * 1997-01-10 2000-08-11 Victor Company Of Japan Methods, apparatuse, and systems for producing and writing cipher keys, reproducing information with a cipher key, and for permitting reproduction of information with a cipher key, and optical disc recorded with a cipher key
US6694023B1 (en) 1997-12-29 2004-02-17 Samsung Electronics Co., Ltd. Method and apparatus for protecting copyright of digital recording medium and copyright protected digital recording medium
EP0989557A4 (fr) 1998-01-26 2009-12-23 Panasonic Corp Appareil, procede et systeme d'enregistrement / reproduction de donnees, et supports d'enregistrement de programme
IL124978A (en) 1998-06-17 2003-01-12 Watertech M A S Ltd Method and apparatus for extracting water from atmospheric air
JP4113306B2 (ja) 1998-07-22 2008-07-09 松下電器産業株式会社 ディジタルデータ記録装置及びその方法並びにそのプログラムを記録したコンピュータ読み取り可能な記録媒体
EP2034479B1 (fr) 1998-07-22 2016-01-13 Panasonic Intellectual Property Corporation of America Appareil d'enregistrement de données numériques et procédé de protection des droits d'auteur qui facilitent la reproduction de données numériques cryptées enregistrées sur un support d'enregistrement, et support d'enregistrement lisible sur ordinateur qui enregistre un programme du procédé
US6859535B1 (en) * 1998-10-16 2005-02-22 Matsushita Electric Industrial Co., Ltd. Digital content protection system
JP2000122539A (ja) 1998-10-16 2000-04-28 Matsushita Electric Ind Co Ltd 著作物保護システム
JP3098500B2 (ja) 1998-11-13 2000-10-16 日本電気株式会社 自動給紙装置
DE19857210A1 (de) * 1998-12-11 2000-06-15 Alcatel Sa Verfahren zum Freischalten einer SIM-Karte
MY123388A (en) 1999-03-15 2006-05-31 Sony Corp Processing method and apparatus for encrypted data transfer
JP2001028572A (ja) 1999-03-19 2001-01-30 Sanyo Electric Co Ltd 情報配信システム
JP2000308129A (ja) 1999-04-16 2000-11-02 Sanyo Electric Co Ltd 音楽配信システム
JP4161466B2 (ja) 1999-04-22 2008-10-08 日本ビクター株式会社 コンテンツ情報記録方法及びコンテンツ情報処理装置
JP3389186B2 (ja) 1999-04-27 2003-03-24 松下電器産業株式会社 半導体メモリカード及び読み出し装置
JP3682840B2 (ja) 1999-05-21 2005-08-17 日本ビクター株式会社 コンテンツ情報記録方法及びコンテンツ情報記録装置
JP4011792B2 (ja) 1999-06-16 2007-11-21 株式会社東芝 記録方法、再生方法、記録装置、再生装置及び記録媒体
US7181629B1 (en) * 1999-08-27 2007-02-20 Fujitsu Limited Data distribution system as well as data supply device terminal device and recording device for the same
US7278016B1 (en) 1999-10-26 2007-10-02 International Business Machines Corporation Encryption/decryption of stored data using non-accessible, unique encryption key
US6606744B1 (en) * 1999-11-22 2003-08-12 Accenture, Llp Providing collaborative installation management in a network-based supply chain environment
DE10002216C1 (de) * 2000-01-20 2001-08-09 Deutsche Telekom Mobil Verfahren zur teilnehmerinitiierten automatischen Subskribierung
JP4622064B2 (ja) * 2000-04-06 2011-02-02 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体
KR200202377Y1 (ko) 2000-05-17 2000-11-15 김재한 방열용 히타
JP2001333182A (ja) 2000-05-19 2001-11-30 Nec Corp 移動電話機における機種変更方式
WO2001093000A2 (fr) 2000-05-31 2001-12-06 Zoran Corporation Transactions electroniques securisees via internet et utilisation de musique et autres donnees importantes
US7283633B2 (en) * 2000-06-21 2007-10-16 Sony Corporation Information recording and/or reproducing method and information recording and/or reproducing device
JP4675462B2 (ja) 2000-07-27 2011-04-20 株式会社ウィルコム 無線端末システム
JP2002175505A (ja) 2000-12-08 2002-06-21 Citizen Watch Co Ltd 携帯型情報装置、個人認証システム及び認証データ消去方法
JP3908466B2 (ja) * 2001-02-07 2007-04-25 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおけるサービス制御方法及びシステム並びに移動機
ATE245882T1 (de) * 2001-03-30 2003-08-15 Swisscom Mobile Ag Verfahren zum bestellen neuer verträge für mobilfunkgeräte
US7725945B2 (en) * 2001-06-27 2010-05-25 Intel Corporation Discouraging unauthorized redistribution of protected content by cryptographically binding the content to individual authorized recipients
TWI308306B (en) 2001-07-09 2009-04-01 Matsushita Electric Ind Co Ltd Digital work protection system, record/playback device, recording medium device, and model change device

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CN1253882C (zh) 2006-04-26
US20030007640A1 (en) 2003-01-09
TWI308306B (en) 2009-04-01
US20070083772A1 (en) 2007-04-12
DE60212408T2 (de) 2006-11-16
DE60224480D1 (de) 2008-02-21
KR20030007074A (ko) 2003-01-23
EP1280149B1 (fr) 2008-01-09
EP1422709A3 (fr) 2004-08-25
DE60224480T2 (de) 2008-05-21
US7698571B2 (en) 2010-04-13
ATE383644T1 (de) 2008-01-15
EP1667144A2 (fr) 2006-06-07
CN1822012A (zh) 2006-08-23
EP1280149A3 (fr) 2003-03-05
EP1422709B1 (fr) 2006-06-14
BR0202591A (pt) 2003-04-29
MY138856A (en) 2009-08-28
EP1280149A2 (fr) 2003-01-29
EP1667144A3 (fr) 2013-12-11
ATE330314T1 (de) 2006-07-15
DE60212408D1 (de) 2006-07-27
KR100939861B1 (ko) 2010-01-29
EP1422709A2 (fr) 2004-05-26
US7694155B2 (en) 2010-04-06
CN1396596A (zh) 2003-02-12

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