Increased quality thermal image recording technique

Details Increased quality thermal image recording technique Increased quality thermal image recording technique

1998-03-18

2000-05-02

Westin, Edward P.

Radiant energy

With infrared or thermal pattern recording

Thermal copying of documents

250318, 250319, 346 761, 346 744, G03C 516, G01D 1510

Patent

active

060575484

ABSTRACT:
To record an image on a thermally sensitive medium, the medium is subjected to radiation from a single radiation emitter to heat a first portion of the medium to a first temperature which is below a threshold temperature at which the medium records. The medium is also subjected to radiation from the same radiation emitter to heat a different portion of the medium to a second temperature, which is above the threshold temperature, to record the image on the medium.

REFERENCES:
patent: 5072245 (1991-12-01), Tamura et al.

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