Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1988-11-16
1990-01-23
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
G01D 1516, B41J 304
Patent
active
048961728
ABSTRACT:
A liquid injection recording apparatus comprises a recording head having discharge ports for discharging recording liquid therethrough, a liquid path communicating with the discharge ports, a liquid chamber communicating with the liquid path and energy generating elements utilized for discharging the recording liquid, a temperature sensor for detecting the temperature of the recording head and/or the recording liquid in the recording head, a storing tank for storing the recording liquid to be supplied to the recording head, a communicating path for switchably communicating between a supply system for supplying the recording liquid from the storing tank to the liquid chamber and a circulation system for circulating the recording liquid between the storing tank and the liquid chamber, a switching device for switching the communicating path to either of the supply system or the circulation system in accordance with temperature information from the temperature sensor, and a control circuit for controlling the switch.
REFERENCES:
patent: 4737801 (1988-04-01), Ichihashi
patent: 4791440 (1988-12-01), Eldridge
Koizumi Yutaka
Mori Toshihiro
Nozawa Minoru
Saito Atsushi
Canon Kabushiki Kaisha
Hartary Joseph W.
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