Identification card and a method of producing same

Details Identification card and a method of producing same Identification card and a method of producing same

1984-08-01

1986-12-16

Bell, Paul A.

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing superposed layers

283 70, 283 72, 283 75, B42D 1500

Patent

active

046292152

ABSTRACT:
The disclosure concerns an identification card containing information such as name, account number, photo of the card owner, etc. The card is protected by a superjacent printed security pattern, such as a guilloche, or other pattern which is difficult to imitate, or a homogeneous printed surface. The information is inscribed into the identification card material through the printed security pattern by a laser beam recorder. The energy of the laser and the colors of the printed security pattern are coordinated with each other in such a way that the laser light is not absorbed by the printed security pattern and the latter is not destroyed by the laser light.

REFERENCES:
patent: 1457805 (1923-06-01), Woodhull
patent: 2932913 (1960-04-01), Hannon
patent: 3417497 (1968-12-01), Hannon
patent: 3552853 (1971-01-01), Sanders et al.
patent: 3620590 (1971-11-01), Barker
patent: 3647275 (1972-03-01), Ward
patent: 3873813 (1975-03-01), Lahr et al.
patent: 4126373 (1978-11-01), Moraw
patent: 4278722 (1981-07-01), Hoppe et al.
patent: 4324421 (1982-04-01), Moraw et al.
patent: 4504083 (1985-03-01), Devrient

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