JP4634201B2 - 情報ネットワークシステムおよび情報機器 - Google Patents

情報ネットワークシステムおよび情報機器 Download PDF

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Publication number
JP4634201B2
JP4634201B2 JP2005105998A JP2005105998A JP4634201B2 JP 4634201 B2 JP4634201 B2 JP 4634201B2 JP 2005105998 A JP2005105998 A JP 2005105998A JP 2005105998 A JP2005105998 A JP 2005105998A JP 4634201 B2 JP4634201 B2 JP 4634201B2
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JP
Japan
Prior art keywords
information
content data
recording medium
network
information device
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 - Fee Related
Application number
JP2005105998A
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English (en)
Japanese (ja)
Other versions
JP2006287686A5 (enExample
JP2006287686A (ja
Inventor
清孝 岩本
智巳 永田
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial 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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2005105998A priority Critical patent/JP4634201B2/ja
Priority to US11/393,667 priority patent/US7814555B2/en
Priority to CN200610066705.9A priority patent/CN1841347A/zh
Publication of JP2006287686A publication Critical patent/JP2006287686A/ja
Publication of JP2006287686A5 publication Critical patent/JP2006287686A5/ja
Application granted granted Critical
Publication of JP4634201B2 publication Critical patent/JP4634201B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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]
    • H04N21/40—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
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4135—Peripherals receiving signals from specially adapted client devices external recorder
    • 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
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4147—PVR [Personal Video Recorder]
    • 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
    • H04N21/43—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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43622—Interfacing an external recording device
    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
JP2005105998A 2005-04-01 2005-04-01 情報ネットワークシステムおよび情報機器 Expired - Fee Related JP4634201B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005105998A JP4634201B2 (ja) 2005-04-01 2005-04-01 情報ネットワークシステムおよび情報機器
US11/393,667 US7814555B2 (en) 2005-04-01 2006-03-31 Information network system and information apparatus
CN200610066705.9A CN1841347A (zh) 2005-04-01 2006-04-03 信息网络系统和信息装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005105998A JP4634201B2 (ja) 2005-04-01 2005-04-01 情報ネットワークシステムおよび情報機器

Publications (3)

Publication Number Publication Date
JP2006287686A JP2006287686A (ja) 2006-10-19
JP2006287686A5 JP2006287686A5 (enExample) 2007-12-20
JP4634201B2 true JP4634201B2 (ja) 2011-02-16

Family

ID=37030384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005105998A Expired - Fee Related JP4634201B2 (ja) 2005-04-01 2005-04-01 情報ネットワークシステムおよび情報機器

Country Status (3)

Country Link
US (1) US7814555B2 (enExample)
JP (1) JP4634201B2 (enExample)
CN (1) CN1841347A (enExample)

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JP2008177679A (ja) * 2007-01-16 2008-07-31 Hitachi Ltd 録画再生装置、そのデータ制御方法
US8532300B1 (en) * 2007-02-13 2013-09-10 Emc Corporation Symmetric is encryption key management
US8705944B2 (en) * 2007-07-06 2014-04-22 At&T Intellectual Property I, L.P. System and method of recording media content
US8965183B1 (en) 2008-01-30 2015-02-24 Dominic M. Kotab Systems and methods for creating and storing reduced quality video data
US9232174B1 (en) * 2008-06-25 2016-01-05 Dominic M. Kotab Methods for receiving and sending video to a handheld device
JP2010140446A (ja) * 2008-12-15 2010-06-24 Fujitsu Ltd コンテンツ管理方法、コンテンツ管理装置およびコンテンツ管理プログラム
EP2383737B1 (en) * 2008-12-26 2014-12-03 Sharp Kabushiki Kaisha Recording/reproducing device and information recording medium
CN103578511A (zh) * 2012-08-07 2014-02-12 深圳市宏电技术股份有限公司 一种硬盘录像机的文件导出方法及硬盘录像机
US9413730B1 (en) * 2014-06-04 2016-08-09 Skyhigh Networks, Inc. Encryption in the cloud using enterprise managed keys
JP6488221B2 (ja) * 2015-03-30 2019-03-20 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 再生方法及び再生装置
JP6721832B2 (ja) * 2016-08-24 2020-07-15 富士通株式会社 データ変換プログラム、データ変換装置及びデータ変換方法

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KR100607210B1 (ko) * 1998-02-19 2006-08-01 소니 가부시끼 가이샤 기록재생장치, 기록재생방법 및 데이터처리장치
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Also Published As

Publication number Publication date
US7814555B2 (en) 2010-10-12
CN1841347A (zh) 2006-10-04
US20060222177A1 (en) 2006-10-05
JP2006287686A (ja) 2006-10-19

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