Thermal print head temperature control

Details Thermal print head temperature control Thermal print head temperature control

1985-10-24

1987-01-13

Evans, Arthur G.

Recorders

Thermal recording

346139C, 400120, 219543, 338306, G01D 1510

Patent

active

046368124

ABSTRACT:
A thermal print head formed of a laminated sandwich structure, an edge of which serves as the print-head surface. Electrodes are carried on dielectric sheets, the electrodes having ends in contact with a layer of resistive material on the print head surface. When power is applied to selected electrodes, portions of the resistive material are heated, forming printing elements which mark thermal paper confronting the print-head surface. A heater and heat sensor are supported within the laminated structure on a separate dielectric surface from the electrodes, the heater and heat sensor being operative in combination with a temperature regulator to maintain the print head at a predetermined temperature.

REFERENCES:
patent: 4386360 (1986-02-01), Murayama et al.
patent: 4399348 (1983-08-01), Bakewell
patent: 4415403 (1983-11-01), Bakewell

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