Secure placement of confidential information on a circulated bla

Details Secure placement of confidential information on a circulated bla Secure placement of confidential information on a circulated bla

1984-11-09

1987-06-30

Goldberg, E. A.

Boots, shoes, and leggings

283 72, 283 94, 283 99, 283100, 283903, 273269, G06F 1528, G06F 1544, G06G 748

Patent

active

046775536

ABSTRACT:
Secure placement of confidential information on tickets distributed in blank is permitted by opaquely overlaying an area of the ticket upon which the information is to be placed in visible form and employing a printing apparatus that prints the visible information on the ticket area through the opaque overlay without leaving any easily-discernible trace in the overlay that reveals the imprinted information. A ticket can be given in blank to a ticket holder. Then, when the ticket holder makes an exchange in order to receive the information, the information can be placed on the ticket, with the opaque overlay concealing the information until selectively removed by the ticket holder.

REFERENCES:
patent: 3956049 (1976-05-01), Johnsen
patent: 4189353 (1980-02-01), Harriman
patent: 4190268 (1980-02-01), Webster
patent: 4191376 (1980-03-01), Goldman et al.
patent: 4209047 (1978-08-01), Fredrickson
patent: 4299637 (1981-11-01), Oberdeck et al.
patent: 4429015 (1984-01-01), Sheptak
patent: 4494197 (1985-01-01), Troy et al.

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