Method of driving a thermal head

Details Method of driving a thermal head Method of driving a thermal head

1982-11-08

1984-10-16

Goldberg, E. A.

Recorders

Thermal recording

346 11, 358296, G01D 1510

Patent

active

044778201

ABSTRACT:
A thermal head driving method in which serial picture data to be recorded on one line is inputted into a shift register which produces parallel picture data corresponding to the input series picture data to drive heating elements of a thermal head by the parallel picture data. The method comprises the steps of inputting serial picture data into the shift register and a distinguishment data element is added in front of the serial picture data. A timing determination of when a predetermined amount of picture data to be simultaneously recorded have been set in the shift register is made on the basis of a timing when the distinguishment data element is outputted from an output terminal through which the serial picture data is outputted. The thermal head is driven while stopping input of a serial picture data into the shift register, at the first-mentioned timing.

REFERENCES:
patent: 4141018 (1979-02-01), Mizuguchi
patent: 4368491 (1983-01-01), Saito

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