WO2002104023A3 - Conditional access for functional units - Google Patents

Conditional access for functional units Download PDF

Info

Publication number
WO2002104023A3
WO2002104023A3 PCT/US2001/048251 US0148251W WO02104023A3 WO 2002104023 A3 WO2002104023 A3 WO 2002104023A3 US 0148251 W US0148251 W US 0148251W WO 02104023 A3 WO02104023 A3 WO 02104023A3
Authority
WO
WIPO (PCT)
Prior art keywords
functional unit
tier
conditional access
functional units
requirements
Prior art date
Application number
PCT/US2001/048251
Other languages
French (fr)
Other versions
WO2002104023A2 (en
Inventor
Douglas S Makofka
John Okimoto
Original Assignee
Gen Instrument Corp
Douglas S Makofka
John Okimoto
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, Douglas S Makofka, John Okimoto filed Critical Gen Instrument Corp
Priority to KR10-2003-7007957A priority Critical patent/KR20030074658A/en
Priority to EP01985559A priority patent/EP1342374A2/en
Priority to JP2003506201A priority patent/JP2004531160A/en
Priority to MXPA03005272A priority patent/MXPA03005272A/en
Publication of WO2002104023A2 publication Critical patent/WO2002104023A2/en
Publication of WO2002104023A3 publication Critical patent/WO2002104023A3/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
    • H04N21/45—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
    • 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
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/254—Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2541—Rights Management
    • 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
    • H04N21/4117—Peripherals receiving signals from specially adapted client devices for generating hard copies of the content, e.g. printer, electronic paper
    • 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
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4437—Implementing a Virtual Machine [VM]
    • 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
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/165—Centralised control of user terminal ; Registering at central
    • 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

Abstract

The invention relates to controlling functional units within a conditional access system. In one embodiment, a method for controlling access to a functional unit within a set top box is described. In one step, first information comprising a plurality of functional unit identifiers and one or more tier requirements respectively related to each functional unit identifier is received. Second information compressing tier rights is also received. The functional unit identifiers are correlated to their respective tier requirements. The functional unit is interacted with. It is determined if the respective tier requirements are satisfied by the tier rights. Further interaction with the functional unit is authorized.
PCT/US2001/048251 2000-12-13 2001-12-13 Conditional access for functional units WO2002104023A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR10-2003-7007957A KR20030074658A (en) 2000-12-13 2001-12-13 Conditional access for functional units
EP01985559A EP1342374A2 (en) 2000-12-13 2001-12-13 Conditional access for functional units
JP2003506201A JP2004531160A (en) 2000-12-13 2001-12-13 Conditional access to functional units
MXPA03005272A MXPA03005272A (en) 2000-12-13 2001-12-13 Conditional access for functional units.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/736,617 US20020112175A1 (en) 2000-12-13 2000-12-13 Conditional access for functional units
US09/736,617 2000-12-13

Publications (2)

Publication Number Publication Date
WO2002104023A2 WO2002104023A2 (en) 2002-12-27
WO2002104023A3 true WO2002104023A3 (en) 2003-05-30

Family

ID=24960571

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/048251 WO2002104023A2 (en) 2000-12-13 2001-12-13 Conditional access for functional units

Country Status (8)

Country Link
US (1) US20020112175A1 (en)
EP (1) EP1342374A2 (en)
JP (1) JP2004531160A (en)
KR (1) KR20030074658A (en)
CN (1) CN1486569A (en)
MX (1) MXPA03005272A (en)
TW (1) TW541830B (en)
WO (1) WO2002104023A2 (en)

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US8621101B1 (en) 2000-09-29 2013-12-31 Alacritech, Inc. Intelligent network storage interface device
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US20030200548A1 (en) * 2001-12-27 2003-10-23 Paul Baran Method and apparatus for viewer control of digital TV program start time
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Also Published As

Publication number Publication date
JP2004531160A (en) 2004-10-07
CN1486569A (en) 2004-03-31
EP1342374A2 (en) 2003-09-10
TW541830B (en) 2003-07-11
WO2002104023A2 (en) 2002-12-27
MXPA03005272A (en) 2004-10-14
US20020112175A1 (en) 2002-08-15
KR20030074658A (en) 2003-09-19

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