The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 2022
Filed:
Nov. 25, 2020
Seiko Epson Corporation, Tokyo, JP;
Ryohei Horita, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid discharge apparatus includes a drive signal output circuit configured to output a drive signal, a power unit configured to supply a power source voltage to the drive signal output circuit, and a first housing that accommodates the drive signal output circuit, and the power unit. The power unit includes a power supply circuit configured to convert an alternating voltage into a first direct voltage and a second direct voltage, and output the first direct voltage, a substrate on which the power supply circuit is provided, a solid state battery configured to output a third direct voltage corresponding to a stored electric charge, a charging circuit configured to store an electric charge in the solid state battery based on the second direct voltage, and a second housing that accommodates the power supply circuit, the solid state battery, and the charging circuit.