TRANSPARENT DATA CARD

A data card comprises a data storage medium embedded in a card body. The card body comprises a filter layer (5) having substantially the same dimensions in terms of length and width as the card body. The filter layer is substantially transparent to electromagnetic radiation in a wavelength range tha...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	EL YAMANI, HAYAT, LIMELETTE, YANN, PERBEN, CEDRIC
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BOOK COVERS BOOKBINDING CALCULATING COMPUTING COUNTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES HANDLING RECORD CARRIERS LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PHYSICS PRESENTATION OF DATA PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR RECOGNITION OF DATA RECORD CARRIERS SPECIAL PRINTED MATTER TRANSPORTING
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Beschreibung
Zusammenfassung:	A data card comprises a data storage medium embedded in a card body. The card body comprises a filter layer (5) having substantially the same dimensions in terms of length and width as the card body. The filter layer is substantially transparent to electromagnetic radiation in a wavelength range that comprises electromagnetic radiation perceptible by the human whereas the filter layer is substantially opaque to electromagnetic radiation in another wavelength range.