JP5325489B2 - デジタルコンテンツ受信装置、および、デジタルコンテンツ受信方法 - Google Patents

デジタルコンテンツ受信装置、および、デジタルコンテンツ受信方法 Download PDF

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Publication number
JP5325489B2
JP5325489B2 JP2008194290A JP2008194290A JP5325489B2 JP 5325489 B2 JP5325489 B2 JP 5325489B2 JP 2008194290 A JP2008194290 A JP 2008194290A JP 2008194290 A JP2008194290 A JP 2008194290A JP 5325489 B2 JP5325489 B2 JP 5325489B2
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Japan
Prior art keywords
copy
digital content
recording medium
information
content
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Application number
JP2008194290A
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English (en)
Japanese (ja)
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JP2010033652A5 (enrdf_load_stackoverflow
JP2010033652A (ja
Inventor
貞雄 鶴賀
宏夫 岡本
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.)
Hitachi Consumer Electronics Co Ltd
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Hitachi Consumer Electronics 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 Hitachi Consumer Electronics Co Ltd filed Critical Hitachi Consumer Electronics Co Ltd
Priority to JP2008194290A priority Critical patent/JP5325489B2/ja
Priority to CN200910118348.XA priority patent/CN101640051A/zh
Priority to EP09251103A priority patent/EP2184739A3/en
Priority to BRPI0900704-0A priority patent/BRPI0900704A2/pt
Priority to US12/430,198 priority patent/US20100027789A1/en
Publication of JP2010033652A publication Critical patent/JP2010033652A/ja
Publication of JP2010033652A5 publication Critical patent/JP2010033652A5/ja
Application granted granted Critical
Publication of JP5325489B2 publication Critical patent/JP5325489B2/ja
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits 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 number
    • G11B20/00753—Circuits 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 number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits 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 number
    • G11B20/00753—Circuits 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 number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G11B20/0076—Circuits 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 number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein the copy frequency, i.e. the number of copies in a given time period, is limited
    • 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
    • H04N21/4627—Rights management associated to the content

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Storage Device Security (AREA)
JP2008194290A 2008-07-29 2008-07-29 デジタルコンテンツ受信装置、および、デジタルコンテンツ受信方法 Active JP5325489B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008194290A JP5325489B2 (ja) 2008-07-29 2008-07-29 デジタルコンテンツ受信装置、および、デジタルコンテンツ受信方法
CN200910118348.XA CN101640051A (zh) 2008-07-29 2009-02-27 拷贝控制方法
EP09251103A EP2184739A3 (en) 2008-07-29 2009-04-16 Copy control method
BRPI0900704-0A BRPI0900704A2 (pt) 2008-07-29 2009-04-27 mÉtodo de controle de càpia
US12/430,198 US20100027789A1 (en) 2008-07-29 2009-04-27 Copy control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008194290A JP5325489B2 (ja) 2008-07-29 2008-07-29 デジタルコンテンツ受信装置、および、デジタルコンテンツ受信方法

Publications (3)

Publication Number Publication Date
JP2010033652A JP2010033652A (ja) 2010-02-12
JP2010033652A5 JP2010033652A5 (enrdf_load_stackoverflow) 2011-05-26
JP5325489B2 true JP5325489B2 (ja) 2013-10-23

Family

ID=41614995

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008194290A Active JP5325489B2 (ja) 2008-07-29 2008-07-29 デジタルコンテンツ受信装置、および、デジタルコンテンツ受信方法

Country Status (2)

Country Link
JP (1) JP5325489B2 (enrdf_load_stackoverflow)
CN (1) CN101640051A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8532291B2 (en) * 2010-09-10 2013-09-10 Hitachi Consumer Electronics Co., Ltd. Copy control method
JP7239760B2 (ja) * 2021-03-04 2023-03-14 マクセル株式会社 出力制御方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002184114A (ja) * 2000-12-11 2002-06-28 Toshiba Corp 音楽データの記録再生システムおよび音楽データ記憶媒体
JP2003016725A (ja) * 2001-06-27 2003-01-17 Sony Corp コンテンツデータの送信装置および送信方法、並びにコンテンツデータの処理装置および処理方法
JP4831890B2 (ja) * 2001-07-06 2011-12-07 パナソニック株式会社 コンテンツ管理方法及びコンテンツ管理装置
JP4107281B2 (ja) * 2004-10-13 2008-06-25 株式会社日立製作所 ディジタル情報記録再生装置
JP4283210B2 (ja) * 2004-11-30 2009-06-24 パナソニック株式会社 コンテンツ管理装置、コンテンツ管理方法、集積回路およびプログラム
JP4508082B2 (ja) * 2005-10-31 2010-07-21 ソニー株式会社 記録装置、記録方法、提供装置、および情報処理方法
JP4625764B2 (ja) * 2005-12-20 2011-02-02 日立コンシューマエレクトロニクス株式会社 録画装置および録画コンテンツの管理方法

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Publication number Publication date
CN101640051A (zh) 2010-02-03
JP2010033652A (ja) 2010-02-12

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