Certification identifying medium

Details Certification identifying medium Certification identifying medium

1989-01-04

1989-09-05

Bell, Paul A.

Printed matter

Having revealable concealed information, fraud preventer or...

In incorporated magnetic material

283 94, 283904, B42D 1500

Patent

active

048631965

ABSTRACT:
A certification identifying medium such as debit card or credit card comprising a substrate preferably made of a paper material, a bar code band printed or layered on the substrate with a material including a magnetic material provided with a specific coercive force and a magnetic record band disposed on the substrate to magnetically record information of the bar code. A mask band made of a non-magnetic material is applied to the substrate to cover at least the bar code band to prevent the visual observation thereof. The bar code band generally comprises a plurality of bar codes which have the specific coercive force different from each other.

REFERENCES:
patent: 3878367 (1975-04-01), Fayling et al.
patent: 3902262 (1975-09-01), Colegrove et al.
patent: 4044231 (1977-08-01), Beck et al.
patent: 4507550 (1985-03-01), Fleer

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