WO2005031547A3 - Separation of copy protection rules for digital rights management - Google Patents

Separation of copy protection rules for digital rights management Download PDF

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Publication number
WO2005031547A3
WO2005031547A3 PCT/US2004/031347 US2004031347W WO2005031547A3 WO 2005031547 A3 WO2005031547 A3 WO 2005031547A3 US 2004031347 W US2004031347 W US 2004031347W WO 2005031547 A3 WO2005031547 A3 WO 2005031547A3
Authority
WO
WIPO (PCT)
Prior art keywords
content
domain
rules
rights management
copy protection
Prior art date
Application number
PCT/US2004/031347
Other languages
French (fr)
Other versions
WO2005031547A2 (en
Inventor
Alexander Medvinsky
Petr Peterka
Jiang Zhang
Original Assignee
Gen Instrument Corp
Alexander Medvinsky
Petr Peterka
Jiang Zhang
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 Gen Instrument Corp, Alexander Medvinsky, Petr Peterka, Jiang Zhang filed Critical Gen Instrument Corp
Priority to EP04784959A priority Critical patent/EP1668461A2/en
Priority to CA002539827A priority patent/CA2539827A1/en
Publication of WO2005031547A2 publication Critical patent/WO2005031547A2/en
Publication of WO2005031547A3 publication Critical patent/WO2005031547A3/en

Links

Classifications

    • 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
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • 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]
    • 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

Abstract

Management of rights to content is provided within an authorized domain. In a single authorized domain, where a plurality of domain interfaces are protected using a common rights management system, a copy of particular content may be allowed to be provided on all devices or only on specific devices coupled to the domain via the interfaces. Copy protection information, for outputs to external devices not protected by the common rights management system, is also specified. Rules can be provided for specifying whether particular content may be copied or moved to another protected domain. A number of rendering devices permitted to render the content simultaneously may be specified. Content rules are provided for use in managing rights to content within an authorized domain. Such rules can be associated with content that is persistently stored by a consumer device, as well as with content that is only rendered by a consumer device.
PCT/US2004/031347 2003-09-26 2004-09-24 Separation of copy protection rules for digital rights management WO2005031547A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04784959A EP1668461A2 (en) 2003-09-26 2004-09-24 Separation of copy protection rules for digital rights management
CA002539827A CA2539827A1 (en) 2003-09-26 2004-09-24 Separation of copy protection rules for digital rights management

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/672,929 US20050071663A1 (en) 2003-09-26 2003-09-26 Separation of copy protection rules for digital rights management
US10/672,929 2003-09-26

Publications (2)

Publication Number Publication Date
WO2005031547A2 WO2005031547A2 (en) 2005-04-07
WO2005031547A3 true WO2005031547A3 (en) 2005-12-29

Family

ID=34376508

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/031347 WO2005031547A2 (en) 2003-09-26 2004-09-24 Separation of copy protection rules for digital rights management

Country Status (4)

Country Link
US (2) US20050071663A1 (en)
EP (1) EP1668461A2 (en)
CA (1) CA2539827A1 (en)
WO (1) WO2005031547A2 (en)

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Also Published As

Publication number Publication date
US20050071669A1 (en) 2005-03-31
CA2539827A1 (en) 2005-04-07
US7551738B2 (en) 2009-06-23
EP1668461A2 (en) 2006-06-14
WO2005031547A2 (en) 2005-04-07
US20050071663A1 (en) 2005-03-31

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