GB0700668D0 - Information processing system - Google Patents

Information processing system

Info

Publication number
GB0700668D0
GB0700668D0 GB0700668A GB0700668A GB0700668D0 GB 0700668 D0 GB0700668 D0 GB 0700668D0 GB 0700668 A GB0700668 A GB 0700668A GB 0700668 A GB0700668 A GB 0700668A GB 0700668 D0 GB0700668 D0 GB 0700668D0
Authority
GB
United Kingdom
Prior art keywords
information processing
processing system
information
processing
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.)
Withdrawn
Application number
GB0700668A
Other versions
GB2445590A (en
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.)
Zootech Ltd
Original Assignee
Zootech 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 Zootech Ltd filed Critical Zootech Ltd
Priority to GB0700668A priority Critical patent/GB2445590A/en
Publication of GB0700668D0 publication Critical patent/GB0700668D0/en
Publication of GB2445590A publication Critical patent/GB2445590A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • 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
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00688—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that a usable copy of recorded data can be made on another medium
    • 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
    • G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2579—HD-DVDs [high definition DVDs]; AODs [advanced optical discs]
GB0700668A 2007-01-12 2007-01-12 Copy protected media having navigation selection logic and read barriers Withdrawn GB2445590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0700668A GB2445590A (en) 2007-01-12 2007-01-12 Copy protected media having navigation selection logic and read barriers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0700668A GB2445590A (en) 2007-01-12 2007-01-12 Copy protected media having navigation selection logic and read barriers

Publications (2)

Publication Number Publication Date
GB0700668D0 true GB0700668D0 (en) 2007-02-21
GB2445590A GB2445590A (en) 2008-07-16

Family

ID=37809911

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0700668A Withdrawn GB2445590A (en) 2007-01-12 2007-01-12 Copy protected media having navigation selection logic and read barriers

Country Status (1)

Country Link
GB (1) GB2445590A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1634290A1 (en) * 2003-06-05 2006-03-15 Zootech Limited Scrambled video streams in an audiovisual product
US8059937B2 (en) * 2004-02-19 2011-11-15 Rovi Solutions Corporation Relating to the copy protection of optical discs
GB0403719D0 (en) * 2004-02-19 2004-03-24 Macrovision Europ Ltd Improvements in or relating to the defeat of the copy protection of optical discs
US7706661B2 (en) * 2004-05-19 2010-04-27 Macrovision Corporation Copy protection of optical discs using redundant control data
GB2420438A (en) * 2004-11-18 2006-05-24 Zootech Ltd Remote controller and access control to restricted audiovisual content

Also Published As

Publication number Publication date
GB2445590A (en) 2008-07-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)