Security facsimile paper

Details Security facsimile paper Security facsimile paper

1993-09-17

1994-09-27

Rosenbaum, Mark

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

283 94, B42D 1500

Patent

active

053501993

ABSTRACT:
A printing medium (10) receives and displays images produced by a thermal printer of a standard facsimile machine. The printing medium (10) comprises plain-surfaced printing paper (12) and a cover medium (14) disposed over the printing paper so as to pass through the facsimile machine in combination with the printing paper. The cover medium (14) includes a bottom surface facing toward the printing paper (12) and a top surface facing away from the printing paper. A coating of heat-transferable ink (16) is disposed on the bottom surface, the ink being transferred from the cover medium (14) to predetermined locations on the printing paper (12) as the printing medium passes through the facsimile machine. The top surface of the cover medium (14) includes a speckled film (18) of reflective material for scattering light reflecting from the film to prevent the reading of images produced in the cover medium (14) and the printing paper (12) by the facsimile machine until the cover medium is separated from the printing paper by the intended recipient.

REFERENCES:
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patent: 5001749 (1991-03-01), Iggulden et al.
patent: 5085469 (1992-02-01), Castro
patent: 5178420 (1993-01-01), Shelby
patent: 5184849 (1993-02-01), Taylor
patent: 5301981 (1994-04-01), Nesis

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