Recorders – Thermal recording
Patent
1983-02-16
1985-04-16
Miller, Jr., George H.
Recorders
Thermal recording
400120, 400198, 4002271, G01D 1510, B41J 320, B41J 3100
Patent
active
045119023
ABSTRACT:
A thermal transfer type printing apparatus has a thermal head unit for selectively and thermally transferring an ink layer of an ink ribbon onto a paper sheet in response to printing information. The ink layer, in which blanks of ink corresponding to the printing information remain after printing, is heated and made molten by a heat roller, and the negative image formed by these ink blanks is thus rendered illegible.
REFERENCES:
patent: 4359748 (1982-11-01), Pasini et al.
patent: 4407002 (1983-09-01), Inui et al.
Miller Jr. George H.
Tokyo Shibaura Denki Kabushiki Kaisha
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