HK1052811A1 - Selective inactivation and copy protection - Google Patents

Selective inactivation and copy protection

Info

Publication number
HK1052811A1
HK1052811A1 HK03104308A HK03104308A HK1052811A1 HK 1052811 A1 HK1052811 A1 HK 1052811A1 HK 03104308 A HK03104308 A HK 03104308A HK 03104308 A HK03104308 A HK 03104308A HK 1052811 A1 HK1052811 A1 HK 1052811A1
Authority
HK
Hong Kong
Prior art keywords
copy protection
selective inactivation
inactivation
selective
copy
Prior art date
Application number
HK03104308A
Other languages
English (en)
Inventor
Kohoi Hoang
Original Assignee
Prediwave Corp
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
Priority claimed from US09/709,948 external-priority patent/US6725267B1/en
Priority claimed from US09/841,792 external-priority patent/US20020023267A1/en
Priority claimed from US09/892,015 external-priority patent/US20030208561A1/en
Application filed by Prediwave Corp filed Critical Prediwave Corp
Publication of HK1052811A1 publication Critical patent/HK1052811A1/xx

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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4335—Housekeeping operations, e.g. prioritizing content for deletion because of storage space restrictions
    • 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
    • H04N21/43—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
    • 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
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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
    • 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
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)
  • Information Transfer Between Computers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
HK03104308A 2000-11-10 2003-06-17 Selective inactivation and copy protection HK1052811A1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US09/709,948 US6725267B1 (en) 2000-05-31 2000-11-10 Prefetched data in a digital broadcast system
US09/841,792 US20020023267A1 (en) 2000-05-31 2001-04-24 Universal digital broadcast system and methods
US09/870,879 US20020026646A1 (en) 2001-04-24 2001-05-30 Universal STB architectures and control methods
US09/892,015 US20030208561A1 (en) 2000-05-31 2001-06-25 Counterfeit STB prevention through protocol switching
US09/933,696 US20020059620A1 (en) 2000-05-31 2001-08-20 Selective inactivation and copy-protection
PCT/US2001/029650 WO2002039738A1 (en) 2000-11-10 2001-09-21 Selective inactivation and copy-protection

Publications (1)

Publication Number Publication Date
HK1052811A1 true HK1052811A1 (en) 2003-09-26

Family

ID=27542123

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03104308A HK1052811A1 (en) 2000-11-10 2003-06-17 Selective inactivation and copy protection

Country Status (8)

Country Link
US (1) US20020059620A1 (xx)
EP (1) EP1352520A1 (xx)
JP (1) JP2004514335A (xx)
CN (1) CN1203668C (xx)
AU (1) AU2001292952A1 (xx)
CA (1) CA2428509A1 (xx)
HK (1) HK1052811A1 (xx)
WO (1) WO2002039738A1 (xx)

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US7747864B2 (en) * 2006-06-29 2010-06-29 Mircosoft Corporation DVD identification and managed copy authorization
US9742512B2 (en) 2006-07-28 2017-08-22 Google Technology Holdings LLC Broadcast content preview notification in wireless communication networks
US9225518B2 (en) * 2006-12-08 2015-12-29 Alcatel Lucent Method of providing fresh keys for message authentication
JP4707748B2 (ja) * 2009-03-31 2011-06-22 インターナショナル・ビジネス・マシーンズ・コーポレーション 外部記憶デバイス、外部記憶デバイスに記憶されたデータを処理するための方法、プログラムおよび情報処理装置

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Also Published As

Publication number Publication date
JP2004514335A (ja) 2004-05-13
CA2428509A1 (en) 2002-05-16
US20020059620A1 (en) 2002-05-16
EP1352520A1 (en) 2003-10-15
CN1203668C (zh) 2005-05-25
CN1389068A (zh) 2003-01-01
AU2001292952A1 (en) 2002-05-21
WO2002039738A1 (en) 2002-05-16

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20090921