Thermal printhead with improved resolution and inter-dot isolati

Details Thermal printhead with improved resolution and inter-dot isolati Thermal printhead with improved resolution and inter-dot isolati

1991-02-01

1992-12-08

Fuller, Benjamin R.

Recorders

Thermal recording

219543, B41J 2335, G01D 1510, G01D 1516

Patent

active

051701790

ABSTRACT:
Pulse fingers are disposed on a heat-generating material which fingers are pulsed to change the resistance of portions of the heat-generating material. By such change in the resistance of the heat-generating material, electrical current diffusion is prevented and heat diffusion is permitted between the changed resistance portion of the heat-generating material, thereby providing high resolution character printing and so-called "continuous" graphics printing.

REFERENCES:
patent: 4034187 (1977-07-01), Tomioka et al.
patent: 4203119 (1980-05-01), Naguib et al.
patent: 4559542 (1985-12-01), Mita
patent: 4586054 (1986-04-01), Kurita
patent: 4623903 (1986-11-01), Hashimoto

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