GB2382286B - Improvements to digital apparatus networks - Google Patents

Improvements to digital apparatus networks

Info

Publication number
GB2382286B
GB2382286B GB0226500A GB0226500A GB2382286B GB 2382286 B GB2382286 B GB 2382286B GB 0226500 A GB0226500 A GB 0226500A GB 0226500 A GB0226500 A GB 0226500A GB 2382286 B GB2382286 B GB 2382286B
Authority
GB
United Kingdom
Prior art keywords
digital apparatus
networks
apparatus networks
digital
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 - Lifetime
Application number
GB0226500A
Other versions
GB2382286A (en
GB0226500D0 (en
Inventor
Amir Nooralahiyan
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.)
Arris Global Ltd
Original Assignee
Pace Micro Technology PLC
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 Pace Micro Technology PLC filed Critical Pace Micro Technology PLC
Publication of GB0226500D0 publication Critical patent/GB0226500D0/en
Publication of GB2382286A publication Critical patent/GB2382286A/en
Application granted granted Critical
Publication of GB2382286B publication Critical patent/GB2382286B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • 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
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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
    • 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
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Small-Scale Networks (AREA)
GB0226500A 2001-11-13 2002-11-14 Improvements to digital apparatus networks Expired - Lifetime GB2382286B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0127400A GB0127400D0 (en) 2001-11-13 2001-11-13 Improvements to digital apparatus networks

Publications (3)

Publication Number Publication Date
GB0226500D0 GB0226500D0 (en) 2002-12-18
GB2382286A GB2382286A (en) 2003-05-21
GB2382286B true GB2382286B (en) 2004-09-08

Family

ID=9925811

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0127400A Ceased GB0127400D0 (en) 2001-11-13 2001-11-13 Improvements to digital apparatus networks
GB0226500A Expired - Lifetime GB2382286B (en) 2001-11-13 2002-11-14 Improvements to digital apparatus networks

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0127400A Ceased GB0127400D0 (en) 2001-11-13 2001-11-13 Improvements to digital apparatus networks

Country Status (1)

Country Link
GB (2) GB0127400D0 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485887A2 (en) * 1990-11-16 1992-05-20 General Instrument Corporation Of Delaware Apparatus and method for upgrading terminals to maintain a secure communication network
US5261002A (en) * 1992-03-13 1993-11-09 Digital Equipment Corporation Method of issuance and revocation of certificates of authenticity used in public key networks and other systems
WO1999007146A1 (en) * 1997-08-01 1999-02-11 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
GB2357407A (en) * 1999-12-17 2001-06-20 Int Computers Ltd Cryptographic key replacement using key lifetimes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485887A2 (en) * 1990-11-16 1992-05-20 General Instrument Corporation Of Delaware Apparatus and method for upgrading terminals to maintain a secure communication network
US5261002A (en) * 1992-03-13 1993-11-09 Digital Equipment Corporation Method of issuance and revocation of certificates of authenticity used in public key networks and other systems
WO1999007146A1 (en) * 1997-08-01 1999-02-11 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
GB2357407A (en) * 1999-12-17 2001-06-20 Int Computers Ltd Cryptographic key replacement using key lifetimes

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
http://www.dtcp.com/data/wp_spec.pdf, "5C Digital Transmission Content Protection", White Paper, Revision 1.0, 14/07/1998 *
http://www.siimage.com/documents/SiI-WP-002-A.pdf, Silicon Image, "High-bandwidth Digital Content Protection" White Paper, February 2000 *

Also Published As

Publication number Publication date
GB0127400D0 (en) 2002-01-09
GB2382286A (en) 2003-05-21
GB0226500D0 (en) 2002-12-18

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20221113