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US 2009/0213153 A1Published application
Liquid jet apparatus
AssigneeSeiko Epson Corporation
InventorsKunio TABATA, Atsushi OSHIMA, Noritaka IDE, Shinichi MIYAZAKI, Hiroyuki AIZAWA, Seiichi TANIGUCHI
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Abstract
A liquid jet apparatus according to the invention is a liquid jet apparatus adapted to emit a jet of a liquid by driving an actuator of a liquid jet head with a drive signal including a digital power amplifier and a low pass filter provided to the liquid jet head so as to correspond to the actuator, and adapted to power-amplify and smooth a modified signal from a control circuit to form the drive signal.
Claims5
A liquid jet apparatus adapted to emit a jet of a liquid by driving an actuator of a liquid jet head with a drive signal, comprising:
- a digital power amplifier and a low pass filter provided to the liquid jet head so as to correspond to the actuator, and adapted to power-amplify and smooth a modified signal from a control circuit to form the drive signal.
Dependencies are inferred from the claim text.