Thermal matrix type printing head

Details Thermal matrix type printing head Thermal matrix type printing head

1975-10-06

1977-05-10

Miller, Jr., George H.

Recorders

Thermal recording

346139C, G01D 1510

Patent

active

040231844

ABSTRACT:
A printer for recording images on thermally sensitive paper. It includes a head that comprises a set of longitudinally extending fingers comprising laminated highly conductive and resistive heating layers. Gaps in the electrically conductive layers traverse the fingers to form discrete printing areas in the resistive layers. An electrical current selectively passed through a finger heats the printing area therein and thereby records a dot image at a corresponding portion of the paper.

REFERENCES:
patent: 3161457 (1964-12-01), Schroeder et al.
patent: 3340381 (1967-09-01), Best
patent: 3453647 (1969-07-01), Bernstein et al.
patent: 3478191 (1969-11-01), Johnson et al.
patent: 3578946 (1971-05-01), Colello
patent: 3715564 (1973-02-01), Hiruma et al.
patent: 3789423 (1974-01-01), Fawcett
patent: 3814897 (1974-06-01), Otani et al.
patent: 3907090 (1975-09-01), Northfield et al.

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