GB9827621D0 - Security tagging of digital media - Google Patents

Security tagging of digital media

Info

Publication number
GB9827621D0
GB9827621D0 GBGB9827621.5A GB9827621A GB9827621D0 GB 9827621 D0 GB9827621 D0 GB 9827621D0 GB 9827621 A GB9827621 A GB 9827621A GB 9827621 D0 GB9827621 D0 GB 9827621D0
Authority
GB
United Kingdom
Prior art keywords
digital media
security tagging
tagging
security
media
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
GBGB9827621.5A
Other versions
GB2329547B (en
GB2329547A (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.)
Aliroo Ltd
Original Assignee
Aliroo 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 Aliroo Ltd filed Critical Aliroo Ltd
Publication of GB9827621D0 publication Critical patent/GB9827621D0/en
Publication of GB2329547A publication Critical patent/GB2329547A/en
Application granted granted Critical
Publication of GB2329547B publication Critical patent/GB2329547B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/00856—Preventive measures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/00856—Preventive measures
    • H04N1/00864—Modifying the reproduction, e.g. outputting a modified copy of a scanned original
    • H04N1/00867—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/00856—Preventive measures
    • H04N1/00864—Modifying the reproduction, e.g. outputting a modified copy of a scanned original
    • H04N1/00867—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message
    • H04N1/0087—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message with hidden additional data, e.g. data invisible to the human eye
GB9827621A 1996-06-12 1997-06-12 Security tagging of digital media Expired - Fee Related GB2329547B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL11864396A IL118643A (en) 1996-06-12 1996-06-12 System for protecting digital images provided to a recipient
PCT/IL1997/000191 WO1997048084A1 (en) 1996-06-12 1997-06-12 Security tagging of digital media

Publications (3)

Publication Number Publication Date
GB9827621D0 true GB9827621D0 (en) 1999-02-10
GB2329547A GB2329547A (en) 1999-03-24
GB2329547B GB2329547B (en) 1999-12-22

Family

ID=11068963

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9827621A Expired - Fee Related GB2329547B (en) 1996-06-12 1997-06-12 Security tagging of digital media

Country Status (4)

Country Link
AU (1) AU3045997A (en)
GB (1) GB2329547B (en)
IL (1) IL118643A (en)
WO (1) WO1997048084A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1215880A3 (en) 2000-12-07 2003-08-13 Sony United Kingdom Limited Embedding data in material
EP1215907A3 (en) 2000-12-07 2006-04-26 Sony United Kingdom Limited Watermarking material and transferring watermarked material
EP1215910A3 (en) 2000-12-07 2003-09-10 Sony United Kingdom Limited Watermarking
GB2379295A (en) 2001-08-31 2003-03-05 Sony Uk Ltd A system for distributing audio/video material to a potential buyer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914877A (en) * 1974-04-08 1975-10-28 Marion E Hines Image scrambling technique
US4245213A (en) * 1979-08-20 1981-01-13 Igor Kriger Security system
US4972476A (en) * 1989-05-11 1990-11-20 Nathans Robert L Counterfeit proof ID card having a scrambled facial image
US5315098A (en) * 1990-12-27 1994-05-24 Xerox Corporation Methods and means for embedding machine readable digital data in halftone images
EP0493091A1 (en) * 1990-12-27 1992-07-01 Xerox Corporation Method and system for embedding machine readable digital data in grayscale images
US5488664A (en) * 1994-04-22 1996-01-30 Yeda Research And Development Co., Ltd. Method and apparatus for protecting visual information with printed cryptographic watermarks

Also Published As

Publication number Publication date
IL118643A (en) 1999-12-22
GB2329547B (en) 1999-12-22
IL118643A0 (en) 1996-10-31
GB2329547A (en) 1999-03-24
WO1997048084A1 (en) 1997-12-18
AU3045997A (en) 1998-01-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030612