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Patent US5841886 - Security system for photographic identification - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsSecurity of photographic identification documents is enhanced by embedding within the photographic image encoded information that may be correlated to other information pertaining to the individual represented by the image, such other information being, for example, printed on the document adjacent to...http://www.google.com/patents/US5841886?utm_source=gb-gplus-sharePatent US5841886 - Security system for photographic identificationAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS5841886 APublication typeGrantApplication numberUS 08/763,847Publication dateNov 24, 1998Filing dateDec 4, 1996Priority dateNov 18, 1993Fee statusPaidPublication number08763847, 763847, US 5841886 A, US 5841886A, US-A-5841886, US5841886 A, US5841886AInventorsGeoffrey B. RhoadsOriginal AssigneeDigimarc CorporationExport CitationBiBTeX, EndNote, RefManPatent Citations (216), Non-Patent Citations (161), Referenced by (419), Classifications (141), Legal Events (9) External Links: USPTO, USPTO Assignment, EspacenetSecurity system for photographic identification
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methods* Cited by examinerClassifications U.S. Classification382/115, 386/E05.004, G9B/20.002, 375/E07.026, 375/E07.089, 704/E19.009, 707/E17.112, 382/232International ClassificationG06T1/00, G07F7/12, H04N1/32, G11B20/00, G07F7/10, B42D15/10, G07D7/00, G06K17/00, G06K19/14, H04Q7/38, G06K19/18, G06K7/14, G07F17/16, G06K19/06, H04B1/66, G10L19/00, H04N7/26, G07F7/08, G06F17/30, G07D7/12, H04N5/913, H04N1/00, G07C9/00Cooperative ClassificationB42D25/42, G06T1/005, G06F17/30, B42D25/309, B42D25/23, G06K19/06, H04N19/467, B42D25/00, H04N19/00, H04N2201/3207, G06K7/1417, G06K19/18, G06T2201/0052, G11B20/00086, G07F7/1016, H04N1/32208, H04N1/32288, H04N1/00005, H04N2201/327, H04N2201/3233, H04N21/8358, G07F7/12, G10L19/018, G11B20/00166, G11B20/0021, H04N2005/91321, G06Q20/40145, G07F7/1008, H04N1/00037, H04B1/665, G07C9/00079, H04N1/32203, G06F17/30876, H04N2005/91335, G07D7/0013, H04N2201/328, G06K7/1447, H04N2201/3226, G06K19/06046, G06K7/14, G07D7/004, G11B20/00891, G06Q20/341, G07F7/086, H04N2201/3274, G07F17/26, G07F17/16, G06K2017/0064, G11B20/00884, H04N21/23892, G06K19/06037, G07D7/002, H04N1/32352, H04N1/32251, H04N2201/3271, G11B20/00094, H04N5/913, G07F7/08, G06K19/14, H04N2201/3205, H04N1/3216, G06K2019/06253, H04N1/00079, H04N1/32144European ClassificationG07F17/26, H04N21/2389B, H04N21/8358, H04N1/32C19B3G, G06Q20/40145, G11B20/00P3, G11B20/00P14A, H04N1/00A1, G11B20/00P14, H04N1/32C19B2B, H04N1/32C19B3B, H04N1/00A3E, H04N1/32C19B6, G11B20/00P5, G07F7/12, G11B20/00P1, G06Q20/341, H04N1/00A4B9, H04N1/32C19B3, H04N1/32C19C, G06K7/14A4C, G06K7/14A2C, G10L19/018, H04N1/32C19, H04N7/26, H04N5/913, G06F17/30W5, G07C9/00B6D2, G06K19/14, G06T1/00W6, G11B20/00P, H04B1/66M, G07D7/00D, G06K19/06C5, G06K19/18, G07F7/10E, G07F17/16, H04N7/26E10, B42D15/10, G07F7/08B, G06K7/14, G06K19/06C3, G07D7/00B2, G07D7/00B4, G07F7/10D, G07F7/08Legal EventsDateCodeEventDescriptionMay 2, 2002FPAYFee paymentYear of fee payment: 4Apr 26, 2006FPAYFee paymentYear of fee payment: 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