Driving method for thermal head and thermal printer utilizing th

Details Driving method for thermal head and thermal printer utilizing th Driving method for thermal head and thermal printer utilizing th

1988-02-29

1989-09-26

Miller, Jr., George H.

Recorders

Thermal recording

400120, G01D 1510, B41J 320

Patent

active

048704288

ABSTRACT:
A driving method for a thermal head having plural heat generating elements for image recording on a recording medium comprises a step of detecting the presence of past, present and future heating signals in an area, in at least four directions around the heat generating element when the power is supplied to a heat generating element according to a heating signal and a step of controlling the supply energy to the heat generating element in response to the result of the detection, if the heating signals are present in all of the detecting area, for minimizing the supply energy to the heat generating element in comparison with a case in which the heating signals are not present in all of the detecting area.

REFERENCES:
patent: 4309712 (1982-01-01), Iwakura
patent: 4370666 (1983-01-01), Noda et al.
patent: 4415908 (1983-11-01), Sugiura
patent: 4479132 (1984-10-01), Iwakura
patent: 4567488 (1986-01-01), Moriguchi et al.
patent: 4734712 (1988-03-01), Kanemura

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