Method of driving thermal head

Details Method of driving thermal head Method of driving thermal head

1988-05-20

1989-10-10

Broome, H.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 76PH, G01D 1510

Patent

active

048735353

ABSTRACT:
A driving method for a thermal head which has a plurality of thermal resistance elements arranged in a line. The thermal resistance elements are electrically separated into first and second blocks. Then, a heat pulse is applied to all the necessary thermal resistance elements in the first block. Next, a heat pulse is applied to all the necessary thermal resistance elements in the second block. These applying operation are alternately repeated in sequence until the required density is obtained.

REFERENCES:
patent: 4141018 (1979-02-01), Mizuguchi et al.
patent: 4560988 (1985-12-01), Moriguchi et al.
patent: 4621271 (1986-12-01), Brownstein

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