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:
Mar. 19, 2024
Filed:
Nov. 02, 2021
Seiko Epson Corporation, Tokyo, JP;
Shuichi Nakano, Nagano, JP;
Masahiro Toki, Nagano, JP;
Tatsuya Sato, Nagano, JP;
Shunsuke Kasai, Minowa-machi, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A print head includes a generation portion that amplifies an input signal to generate a drive signal, an ejection portion that includes a first driving element driven by a drive signal, and ejects a liquid in response to the drive of the first driving element, a supply portion that includes a first switch for switching between supply and non-supply of the drive signal to the first driving element, and a sound emitting portion that includes a second driving element driven by the drive signal, and a second switch for switching between supply and non-supply of the drive signal to the second driving element, and emits sound in response to the drive of the second driving element, in which the first switch and the second switch are turned on exclusively.