Thermal print head

Details Thermal print head Thermal print head

1982-12-27

1984-05-22

Reynolds, B. A.

Electric heating

Heating devices

Combined with diverse-type art device

346 76PH, H05B 300, G01D 1510, B41J 320

Patent

active

044503423

ABSTRACT:
A thermal print head includes a pair of parallel bars of resistive material. A first set of lines is connected to one bar at equal spacings, a second set is similarly connected to the other bar. Each line of a third set of lines is connected to both bars between the connections of the lines of the other sets. From each line of the third set there are four resistance paths along the bars to adjacent lines of the first and second sets. Each of these paths can be selected to heat the bars along the selected paths to create marks on a paper sheet or web.

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patent: 4217480 (1980-08-01), Livermore
patent: 4242565 (1980-12-01), Schoon
patent: 4250375 (1981-02-01), Tsutsumi et al.
patent: 4399444 (1983-08-01), Moriguchi

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