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GB9819727D0 - A data control system and a method of controlling performance of operations on data - Google Patents

A data control system and a method of controlling performance of operations on data

Info

Publication number
GB9819727D0
GB9819727D0 GBGB9819727.0A GB9819727A GB9819727D0 GB 9819727 D0 GB9819727 D0 GB 9819727D0 GB 9819727 A GB9819727 A GB 9819727A GB 9819727 D0 GB9819727 D0 GB 9819727D0
Authority
GB
United Kingdom
Prior art keywords
data
operations
control system
controlling performance
data control
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.)
Granted
Application number
GBGB9819727.0A
Other versions
GB2330031A (en
GB2330031B (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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB9819727D0 publication Critical patent/GB9819727D0/en
Publication of GB2330031A publication Critical patent/GB2330031A/en
Application granted granted Critical
Publication of GB2330031B publication Critical patent/GB2330031B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • 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
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • G11B20/00898—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm based on a hash function
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0064—Image watermarking for copy protection or copy management, e.g. CGMS, copy only once, one-time copy

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Storage Device Security (AREA)
  • Image Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
GB9819727A 1997-09-12 1998-09-11 A data control system and a method of controlling performance of operations on data Expired - Lifetime GB2330031B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24827297 1997-09-12
JP10143705A JP3103061B2 (en) 1997-09-12 1998-05-26 Token creation device and data control system using the token

Publications (3)

Publication Number Publication Date
GB9819727D0 true GB9819727D0 (en) 1998-11-04
GB2330031A GB2330031A (en) 1999-04-07
GB2330031B GB2330031B (en) 2002-04-24

Family

ID=26475372

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9819727A Expired - Lifetime GB2330031B (en) 1997-09-12 1998-09-11 A data control system and a method of controlling performance of operations on data

Country Status (3)

Country Link
JP (1) JP3103061B2 (en)
CN (1) CN1099070C (en)
GB (1) GB2330031B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6530021B1 (en) * 1998-07-20 2003-03-04 Koninklijke Philips Electronics N.V. Method and system for preventing unauthorized playback of broadcasted digital data streams
GB2354347B (en) * 1999-08-04 2003-09-03 Internat Federation Of The Pho Reproduction control system
CN1340185A (en) * 1999-11-05 2002-03-13 索尼株式会社 Data decoding device and method, charging information processing device and method, data reproducing device and method, electronic money, electronic right of use, and terminal
JP2001258008A (en) * 2000-03-14 2001-09-21 Silicon Contents:Kk Contents supply system and recording medium
JP2002032685A (en) * 2000-05-11 2002-01-31 Nec Corp Contents rental system
JP2002112084A (en) * 2000-09-27 2002-04-12 Fuji Photo Film Co Ltd Method for generating, correcting and detecting image data and photographing device
JP2002112175A (en) * 2000-10-03 2002-04-12 Pioneer Electronic Corp Information recorder, information recording method and computer-readable recording medium with information recording program recorded thereon
JP2002117619A (en) * 2000-10-03 2002-04-19 Pioneer Electronic Corp Information recording device, information recording method and information recording medium recorded to be computer-readable with information recording program
US6895503B2 (en) 2001-05-31 2005-05-17 Contentguard Holdings, Inc. Method and apparatus for hierarchical assignment of rights to documents and documents having such rights
GB0124723D0 (en) * 2001-10-15 2001-12-05 Macrovision Corp Improvements in or relating to the copy protection of optical discs
JP3485911B2 (en) * 2001-12-17 2004-01-13 シャープ株式会社 Data usage restriction setting method, data usage restriction setting device, data usage restriction setting program, and recording medium recording the program
JP4107851B2 (en) 2002-02-13 2008-06-25 三洋電機株式会社 Digital watermark embedding method and encoding device and decoding device capable of using the method
GB0212318D0 (en) * 2002-05-28 2002-07-10 Symbian Ltd Tamper evident removable media storing executable code
GB2392337B (en) 2002-07-19 2005-12-07 Matsushita Electric Ind Co Ltd Digital watermarking apparatus and application apparatus using the same
EP1579693B1 (en) * 2002-12-17 2009-02-18 Sony Pictures Entertainment Inc. Method and apparatus for access control in an overlapping multiserver network environment
CN1783139A (en) * 2003-01-08 2006-06-07 Kddi株式会社 Identification modes of content file producer and its method
JP4485785B2 (en) * 2003-12-15 2010-06-23 株式会社リコー Electronic data processing system and electronic data processing method
JP2005196926A (en) * 2004-01-09 2005-07-21 Toshiba Corp Recording medium, recording medium writing device, recording medium reading device, recording medium writing method and recording medium reading method
US7382905B2 (en) * 2004-02-11 2008-06-03 Microsoft Corporation Desynchronized fingerprinting method and system for digital multimedia data
JP5033382B2 (en) * 2006-09-19 2012-09-26 株式会社日立製作所 Program recording method
US8365279B2 (en) 2008-10-31 2013-01-29 Sandisk Technologies Inc. Storage device and method for dynamic content tracing
US8429365B2 (en) 2009-06-26 2013-04-23 Sandisk Technologies Inc. Memory device and method for embedding host-identification information into content
JP5011404B2 (en) * 2010-02-08 2012-08-29 株式会社日立製作所 Video recording / playback device
EP3881202B1 (en) * 2020-02-06 2022-01-26 Google LLC Verifying display of third party content at a client device
BR112020022548A2 (en) 2020-02-06 2022-10-11 Google Llc VERIFICATION OF USER INTERACTIONS ON A CONTENT PLATFORM

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659613A (en) * 1994-06-29 1997-08-19 Macrovision Corporation Method and apparatus for copy protection for various recording media using a video finger print
US5745569A (en) * 1996-01-17 1998-04-28 The Dice Company Method for stega-cipher protection of computer code
EP0795174B1 (en) * 1995-10-04 2002-08-07 Koninklijke Philips Electronics N.V. Marking a digitally encoded video and/or audio signal
CN1123221C (en) * 1995-12-11 2003-10-01 皇家菲利浦电子有限公司 marking a video and/or audio signal
US5822432A (en) * 1996-01-17 1998-10-13 The Dice Company Method for human-assisted random key generation and application for digital watermark system
EP0902946B1 (en) * 1997-01-27 2006-05-24 Koninklijke Philips Electronics N.V. System for copy protection of recorded signals
CN1135852C (en) * 1997-01-27 2004-01-21 皇家菲利浦电子有限公司 Method and system for transferring content information and supplemental information relating thereto

Also Published As

Publication number Publication date
CN1099070C (en) 2003-01-15
JP3103061B2 (en) 2000-10-23
JPH11164132A (en) 1999-06-18
GB2330031A (en) 1999-04-07
GB2330031B (en) 2002-04-24
CN1218928A (en) 1999-06-09

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20090813

PE20 Patent expired after termination of 20 years

Expiry date: 20180910