Head driving device of liquid ejecting apparatus

Details Head driving device of liquid ejecting apparatus Head driving device of liquid ejecting apparatus

2006-04-18

2006-04-18

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S019000

Reexamination Certificate

active

07029087

ABSTRACT:
A head driving device of a liquid ejecting apparatus includes a plurality of nozzles, a head driving circuit generating driving signals, a plurality of pressure generating elements correspondingly provided for each of the nozzles, and applying pressure to liquid based on the driving signals so that liquid droplets are ejected from the nozzles, an integrated switching circuit selecting the driving signals for applying to the pressure generating elements at predetermined ejecting timing, a controller controlling a liquid ejecting operation, and a thermal detector provided in the integrated switching circuit, and detecting a temperature of the integrated switching circuit. The thermal detector outputs a digital signal to the controller when the temperature of the integrated switching circuit is increased to greater than a predetermined temperature.

REFERENCES:
patent: 5635968 (1997-06-01), Bhaskar et al.
patent: 6652057 (2003-11-01), Masuda et al.
patent: 2001-205796 (2001-07-01), None

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