Ink jet recording apparatus with ambient temperature detecting m

Details Ink jet recording apparatus with ambient temperature detecting m Ink jet recording apparatus with ambient temperature detecting m

1988-03-30

1989-08-22

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 65, 358298, G01D 1516

Patent

active

048600342

ABSTRACT:
The driving frequency of a head is changed in conformity with temperature, and density data is converted into an optimum head driving voltage in conformity with temperature, whereby the discharge driving frequency and driving voltage of the recording head become optimum under any temperature condition, and thus recording of high quality is ensured the since irregularities caused by the temperature variation of the recording head are eliminated. The driving voltage is set by a drive control circuit that includes a plurality of limiters, one of which is chosen in accordance with ambient temperature.

REFERENCES:
patent: 3828357 (1974-08-01), Koeblitz
patent: 4275402 (1981-06-01), Kern
patent: 4296421 (1981-10-01), Hara et al.
patent: 4396923 (1983-08-01), Noda
patent: 4494126 (1985-01-01), Todoh
patent: 4516135 (1985-05-01), Todoh
patent: 4544931 (1985-10-01), Watanabe et al.
patent: 4591876 (1986-05-01), Nozaki et al.
patent: 4737860 (1988-04-01), Ono

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