SG72854A1 - Key-based protection method for light-readable discs - Google Patents

Key-based protection method for light-readable discs

Info

Publication number
SG72854A1
SG72854A1 SG1998003111A SG1998003111A SG72854A1 SG 72854 A1 SG72854 A1 SG 72854A1 SG 1998003111 A SG1998003111 A SG 1998003111A SG 1998003111 A SG1998003111 A SG 1998003111A SG 72854 A1 SG72854 A1 SG 72854A1
Authority
SG
Singapore
Prior art keywords
light
user
key
disc
readable
Prior art date
Application number
SG1998003111A
Other languages
English (en)
Inventor
Robert T Seidel
Original Assignee
Wea Mfg Inc
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 Wea Mfg Inc filed Critical Wea Mfg Inc
Publication of SG72854A1 publication Critical patent/SG72854A1/en

Links

Classifications

    • 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
    • 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
    • G11B20/0071—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a purchase action

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Electric Cable Installation (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Lock And Its Accessories (AREA)
  • Packaging For Recording Disks (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Holo Graphy (AREA)
  • Air Bags (AREA)
SG1998003111A 1997-09-05 1998-08-17 Key-based protection method for light-readable discs SG72854A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5807497P 1997-09-05 1997-09-05
US09/034,884 US6161179A (en) 1997-09-05 1998-03-04 Key-based protection method for light-readable discs

Publications (1)

Publication Number Publication Date
SG72854A1 true SG72854A1 (en) 2000-05-23

Family

ID=26711522

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998003111A SG72854A1 (en) 1997-09-05 1998-08-17 Key-based protection method for light-readable discs

Country Status (8)

Country Link
US (1) US6161179A (de)
EP (1) EP0901123B1 (de)
JP (1) JPH11149710A (de)
KR (1) KR100611569B1 (de)
AT (1) ATE244443T1 (de)
AU (1) AU753438B2 (de)
DE (1) DE69815970T2 (de)
SG (1) SG72854A1 (de)

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JP4356178B2 (ja) * 1999-03-09 2009-11-04 ソニー株式会社 再生装置
US6580683B1 (en) * 1999-06-23 2003-06-17 Dataplay, Inc. Optical recording medium having a master data area and a writeable data area
US20020080969A1 (en) * 2000-12-27 2002-06-27 Giobbi John J. Digital rights management system and method
US7305560B2 (en) * 2000-12-27 2007-12-04 Proxense, Llc Digital content security system
US6973576B2 (en) * 2000-12-27 2005-12-06 Margent Development, Llc Digital content security system
US9613483B2 (en) 2000-12-27 2017-04-04 Proxense, Llc Personal digital key and receiver/decoder circuit system and method
US7472280B2 (en) * 2000-12-27 2008-12-30 Proxense, Llc Digital rights management
US7111175B2 (en) * 2000-12-28 2006-09-19 Intel Corporation Method and apparatus for verifying the integrity of a media key block
US6912634B2 (en) * 2000-12-28 2005-06-28 Intel Corporation Verifying the integrity of a media key block by storing validation data in a validation area of media
US7827112B2 (en) * 2001-03-01 2010-11-02 Sony Corporation Digital signal processing apparatus, digital signal processing method, information center, and data delivery system
US7062045B2 (en) * 2001-09-06 2006-06-13 Clwt, Llc Media protection system and method
US20030046568A1 (en) * 2001-09-06 2003-03-06 Riddick Christopher J. Media protection system and method and hardware decryption module used therein
US6896829B2 (en) 2002-03-13 2005-05-24 Wea Manufacturing, Inc. Method of manufacturing a composite disc structure and apparatus for performing the method
US7665110B2 (en) * 2002-05-14 2010-02-16 Lg Electronics Inc. System and method for synchronous reproduction of local and remote content in a communication network
US7089425B2 (en) * 2003-03-18 2006-08-08 Ci4 Technologies, Inc. Remote access authorization of local content
US8033909B2 (en) * 2003-05-12 2011-10-11 Warner Bros. Entertainment Inc. Random selection program for an optical disc and related method
US20070212015A1 (en) * 2003-06-05 2007-09-13 Zootech Limited Unlocking an audiovisual product
GB0312874D0 (en) * 2003-06-05 2003-07-09 Zoo Digital Group Plc Controlling access to an audiovisual product
US7440574B2 (en) * 2003-06-11 2008-10-21 Hewlett-Packard Development Company, L.P. Content encryption using programmable hardware
US7506377B2 (en) * 2003-06-11 2009-03-17 Hewlett-Packard Development Company, L.P. Method and apparatus for playing content
JP2005094277A (ja) * 2003-09-17 2005-04-07 Hitachi Ltd プログラムおよび記憶媒体、再生装置
FR2866749B1 (fr) * 2004-02-23 2007-07-13 Dvdkiosque Lecteur de disques dvd payables a la seance
US9020854B2 (en) 2004-03-08 2015-04-28 Proxense, Llc Linked account system using personal digital key (PDK-LAS)
WO2006069330A2 (en) 2004-12-20 2006-06-29 Proxense, Llc Biometric personal data key (pdk) authentication
US7725929B2 (en) * 2005-02-22 2010-05-25 Microsoft Corporation Systems and methods for free demonstration of online premium content prior to purchase
JP4440825B2 (ja) * 2005-05-17 2010-03-24 株式会社バンダイナムコゲームス ゲームプログラム記録媒体
DE102005034154A1 (de) * 2005-07-19 2007-01-25 Tilo Ferrari Zugriffsschutzverfahren für digitale Datenträger insbesondere DVDs
US8433919B2 (en) * 2005-11-30 2013-04-30 Proxense, Llc Two-level authentication for secure transactions
US11206664B2 (en) 2006-01-06 2021-12-21 Proxense, Llc Wireless network synchronization of cells and client devices on a network
US8340672B2 (en) 2006-01-06 2012-12-25 Proxense, Llc Wireless network synchronization of cells and client devices on a network
US7883003B2 (en) 2006-11-13 2011-02-08 Proxense, Llc Tracking system using personal digital key groups
US9269221B2 (en) * 2006-11-13 2016-02-23 John J. Gobbi Configuration of interfaces for a location detection system and application
EP1933317A1 (de) * 2006-12-13 2008-06-18 Perpetual Action Group S.A.M. Schutzsystem für DVD-Videoinhalte mit integriertem Entsperrcode
GB2446879A (en) 2007-02-24 2008-08-27 Liquid11 Ltd Media locking system
WO2009062194A1 (en) 2007-11-09 2009-05-14 Proxense, Llc Proximity-sensor supporting multiple application services
US8171528B1 (en) 2007-12-06 2012-05-01 Proxense, Llc Hybrid device having a personal digital key and receiver-decoder circuit and methods of use
US9251332B2 (en) 2007-12-19 2016-02-02 Proxense, Llc Security system and method for controlling access to computing resources
US8082592B2 (en) 2008-01-12 2011-12-20 Harris Technology, Llc Read/write encrypted media and method of playing
US8508336B2 (en) 2008-02-14 2013-08-13 Proxense, Llc Proximity-based healthcare management system with automatic access to private information
US11120449B2 (en) 2008-04-08 2021-09-14 Proxense, Llc Automated service-based order processing
US9418205B2 (en) 2010-03-15 2016-08-16 Proxense, Llc Proximity-based system for automatic application or data access and item tracking
US8918854B1 (en) 2010-07-15 2014-12-23 Proxense, Llc Proximity-based system for automatic application initialization
US8857716B1 (en) 2011-02-21 2014-10-14 Proxense, Llc Implementation of a proximity-based system for object tracking and automatic application initialization
WO2014183106A2 (en) 2013-05-10 2014-11-13 Proxense, Llc Secure element as a digital pocket

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GB9212266D0 (en) * 1992-06-10 1992-07-22 Racal Datacom Ltd Access control
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Also Published As

Publication number Publication date
KR100611569B1 (ko) 2007-06-07
HK1018842A1 (en) 2000-01-07
AU753438B2 (en) 2002-10-17
DE69815970D1 (de) 2003-08-07
KR19990029476A (ko) 1999-04-26
DE69815970T2 (de) 2004-05-27
JPH11149710A (ja) 1999-06-02
EP0901123B1 (de) 2003-07-02
EP0901123A1 (de) 1999-03-10
US6161179A (en) 2000-12-12
ATE244443T1 (de) 2003-07-15
AU8310898A (en) 1999-03-18

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