Thermal record-erase head

Details Thermal record-erase head Thermal record-erase head

1986-12-29

1988-05-24

Goldberg, E. A.

Recorders

Thermal recording

400120, 4002401, 400696, 4006971, G01D 1510, B41J 300

Patent

active

047469331

ABSTRACT:
A thermal head has heating resistors for thermal image recording and a lift-off heating resistor for ink lift-off. In image recording, both resistors are energized to maintain the ink adhesive to a recording sheet until an ink ribbon is separated from the recording sheet. In the lift-off operation, only the former resistors are energized but the latter positioned behind is deactivated, so that the ink already deposited on the sheet adheres to the ink ribbon, is cooled due to the deactivation of the latter resistor and is lifted off by the ink ribbon.

REFERENCES:
patent: 4384797 (1983-05-01), Anderson et al.
patent: 4545693 (1985-10-01), Bartlett et al.
patent: 4572687 (1986-02-01), Croley et al.
patent: 4675692 (1987-06-01), Goshima et al.

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