Thermal head

Details Thermal head Thermal head

1985-04-15

1987-06-09

Evans, Arthur G.

Recorders

Thermal recording

346139C, 400120, G01D 1510

Patent

active

046723919

ABSTRACT:
A thermal head for use in a dot-matrix printer is disclosed in which a plurality of heating elements for printing dots on recording paper are arranged in a line oblique with respect the moving direction of the thermal head, the dimension of the heating surface of each heating element in a direction parallel to the moving direction of the thermal head is made smaller than the dimension of the heating surface in a direction perpendicular to the above moving direction, each of wiring conductor pairs for supplying a current to the heating elements is extended from both ends of the heating surface in the lengthwise direction thereof, in a direction perpendicular to the moving direction of the thermal head, one wiring conductor of each wiring conductor pair is connected to a common wiring conductor, and the other wiring conductor of each wiring conductor pair is connected directly to a drive circuit.

REFERENCES:
patent: 3631512 (1970-03-01), Janning
patent: 3684858 (1972-08-01), Buck
patent: 4048470 (1977-09-01), Shindo et al.
patent: 4130752 (1978-12-01), Conta et al.
patent: 4327365 (1982-04-01), Noda

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