Thermal printer erasure system

Details Thermal printer erasure system Thermal printer erasure system

1986-05-01

1988-02-09

Goldberg, E. A.

Recorders

Thermal recording

400120, 400696, 4006971, G01D 1510, B41J 310

Patent

active

047244453

ABSTRACT:
A thermal transfer printer erases previously recorded characters by applying heating energy of higher surface density than that used to originally transfer thermally fusible material onto a recording sheet. A thermal transfer tape made of a polyester film and a layer of thermally fusible material is interposed between a thermal head of the printer and the recording sheet at the position to be erased. The thermally fusible material has a higher adhering affinity for the polyester film than for the recording sheet at the higher heating energy level and thus fusible material previously recorded on the recording sheet adheres to the tape at the higher energy level. When the tape is pulled away from the recording sheet, the previously recorded character adheres to the tape and is pulled away with it.

REFERENCES:
patent: 4396308 (1983-08-01), Applegate et al.
patent: 4545693 (1985-10-01), Bartlett et al.

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