Flüssigkeitsausstossvorrichtung, Treiberschaltung und Integrierte Schaltung

Details

Veröffentlichungs-Nr.

EP3842234

Aktenzeichen

EP20217217

Anmeldetag

24. Dezember 2020

Veröffentlichung

22. März 2023

Erteilung

22. März 2023

Rechtsraum

EP

IPC

B41J2/045H03F1/00

Abstract

A liquid ejecting apparatus includes a liquid ejecting head ejecting a liquid by supplying a drive signal to a drive element, and a drive circuit. The drive circuit includes an integrated circuit, an amplifier circuit that operates according to the amplification control signal to output an amplified modulation signal, and a demodulation circuit. The integrated circuit includes a modulation circuit that modulates the base drive signal to output a modulation signal, a switching circuit that outputs the amplification control signal according to the modulation signal, and a constant voltage output circuit that outputs a DC voltage signal based on the output of the modulation circuit. The constant voltage output circuit and the modulation circuit are electrically coupled to each other, and at least a part of the constant voltage output circuit is located between the modulation circuit and the switching circuit.

Anmelder

Firma

Seiko Epson Corporation

Land

🇯🇵 Japan

Fachgebiete