Multilayered indentification card

Details Multilayered indentification card Multilayered indentification card

1983-03-11

1985-08-20

Bell, Paul A.

Printed matter

Having revealable concealed information, fraud preventer or...

Identifier

283 82, 283112, 283113, 283904, B42D 1500, G09C 300

Patent

active

045360138

ABSTRACT:
A multilayered data carrier, in particular an identification card, consisting of at least one data carrier with non-user and user data, in particular with a phonograph of the authorized user, in the case of which the user data, i.e. the user's photograph, are protected by a transparent cover sheet which is glued or welded onto the card. The data carrier has a high-security printed pattern, e.g. a guilloche pattern, and the user data are copied onto the data carrier by means of an electro-photographic method, i.e. by xerography or by zinc oxide-electrophotography.

REFERENCES:
patent: 1457805 (1923-06-01), Woodhull
patent: 2384667 (1945-09-01), Dowd
patent: 3152901 (1964-10-01), Johnson
patent: 3158523 (1964-11-01), Morrow
patent: 3461581 (1969-08-01), Hoffman
patent: 3533176 (1970-10-01), Weitzberg et al.
patent: 3571957 (1971-03-01), Cumming et al.
patent: 3732640 (1973-05-01), Changnon
patent: 3921318 (1975-11-01), Calavetta
patent: 3967400 (1976-07-01), Otto
patent: 4006050 (1977-02-01), Hurst et al.
patent: 4092449 (1978-05-01), Bernstein

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