Liquid discharging apparatus, head unit, and control method of liquid discharging apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9358781
APP PUB NO 20150246532A1
SERIAL NO

14626394

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Abstract

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Provided is a liquid discharging apparatus which includes a modulation circuit which generates a modulation signal which is obtained by pulse-modulating a source signal, a transistor which generates an amplified modulation signal by amplifying the modulation signal, a low pass filter which includes an inductor and a capacitor and generates a drive signal by smoothening the amplified modulation signal, a piezoelectric element which is displaced by receiving the drive signal, a cavity of which the internal volume changes in accordance with the displacement of the piezoelectric element, a nozzle through which liquid in the cavity is discharged in accordance with change in the internal volume of the cavity, and a circuit substrate on which the modulation circuit, the transistor, and the low pass filter are mounted, in which the capacitor is a leadless type capacitor.

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATION4-1 NISHI-SHINJUKU 2-CHOME SHINJUKU-KU TOKYO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Akira Matsumoto, JP 181 1817
Sugita, Hiroshi Shiojiri, JP 66 795

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