Debit/credit card

Debit/credit card

A document for which a high degree of security is needed, e.g. a debit card, has on it patches of an obliquely-reflective foil material such as aluminium foil with closely spaced angled spinules. This looks dark from one angle and rather silvery from another angle. The value-indicating patches for a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: PETER SOTHCOTT
Format: Patent
Sprache:eng
Schlagworte:
BOOK COVERS
BOOKBINDING
CALCULATING
CHECKING-DEVICES
COIN-FREED OR LIKE APPARATUS
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 document for which a high degree of security is needed, e.g. a debit card, has on it patches of an obliquely-reflective foil material such as aluminium foil with closely spaced angled spinules. This looks dark from one angle and rather silvery from another angle. The value-indicating patches for a credit card each consists of a spot of such material. Various methods of cancellation of the dots are described.