Improvements in security for personal identification documents by storing a digitized image in a magnetic medium dispersed invisibly within a portion of the document

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Bibliographische Detailangaben
1. Verfasser:	WARD, PAUL COURTENAY
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE AUXILIARY PROCESSES IN PHOTOGRAPHY BOOK COVERS BOOKBINDING CALCULATING CHECKING-DEVICES CINEMATOGRAPHY COLOUR PRINTING COMPUTING COUNTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR ELECTROGRAPHY FILES GENERATING RANDOM NUMBERS HANDLING RECORD CARRIERS HOLOGRAPHY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LINING MACHINES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS PRESENTATION OF DATA PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES RECOGNITION OF DATA RECORD CARRIERS REGISTERING OR INDICATING THE WORKING OF MACHINES SPECIAL PRINTED MATTER STAMPS TIME OR ATTENDANCE REGISTERS TRANSPORTING TYPEWRITERS VOTING OR LOTTERY APPARATUS
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