![]() 230000005540 biological transmission Effects 0.000 description 33.239000002131 composite materials Substances 0.000 description 53.230000000007 visual effect Effects 0.000 claims description 21.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to US649419 priority Critical Priority to US08/649,419 priority patent/US5862260A/en Priority to US08/746,613 priority patent/US6122403A/en Application filed by Digimarc Corp filed Critical Digimarc Corp Priority to PCT/US1997/008351 priority patent/WO1997043736A1/en Publication of EP1019868A2 publication Critical patent/EP1019868A2/en Priority to US746613 priority Publication of EP1019868A4 publication Critical patent/EP1019868A4/en Application granted granted Critical Publication of EP1019868B1 publication Critical patent/EP1019868B1/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Digimarc 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 or warranty as to the accuracy of the list.) Rhoads Current Assignee (The listed assignees may be inaccurate. ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number EP97924752A Other languages German ( de) Google Patents Computer system linked by using information in data objectsÄownload PDF Info Publication number EP1019868B1 EP1019868B1 EP97924752A EP97924752A EP1019868B1 EP 1019868 B1 EP1019868 B1 EP 1019868B1 EP 97924752 A EP97924752 A EP 97924752A EP 97924752 A EP97924752 A EP 97924752A EP 1019868 B1 EP1019868 B1 EP 1019868B1 Authority EP European Patent Office Prior art keywords signal image data bit noise Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents EP1019868B1 - Computer system linked by using information in data objects EP1019868B1 - Computer system linked by using information in data objects
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