Forgery-proof information carrier

Details Forgery-proof information carrier Forgery-proof information carrier

1983-03-03

1985-08-20

Bell, Paul A.

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

427 541, 283 94, 283904, B42D 1500, B05D 300

Patent

active

045360154

ABSTRACT:
An identity card for information is provided by the imprint of security figures on the card or the exposure of features in the data carrier insert. The data carrier may be a photographic silver halide layer of a recording material. In addition to the photograph and data about the owner there is provided a film covering the information carrier with externally applied imprints. The shapes of these external imprints are identical to the security features on the insert and are positioned exactly above said features.

REFERENCES:
patent: 3313052 (1967-03-01), Malster
patent: 3640009 (1972-02-01), Komiyama
patent: 3827726 (1974-08-01), McVoy et al.
patent: 4119361 (1978-10-01), Greenaway
patent: 4133926 (1979-01-01), Vorrier
patent: 4171864 (1979-10-01), Jung et al.
patent: 4276334 (1981-06-01), Sugihara
patent: 4415612 (1983-11-01), Hall et al.
patent: 4420174 (1983-12-01), Phelps et al.
patent: 4504083 (1985-03-01), Devrient et al.

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