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:
Apr. 16, 2013
Filed:
Oct. 26, 2009
Noritaka Ide, Shiojiri, JP;
Kunio Tabata, Shiojiri, JP;
Shinichi Miyazaki, Suwa, JP;
Atsushi Oshima, Shiojiri, JP;
Hiroyuki Yoshino, Matsumoto, JP;
Nobuaki Azami, Matsumoto, JP;
Noritaka Ide, Shiojiri, JP;
Kunio Tabata, Shiojiri, JP;
Shinichi Miyazaki, Suwa, JP;
Atsushi Oshima, Shiojiri, JP;
Hiroyuki Yoshino, Matsumoto, JP;
Nobuaki Azami, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A fluid ejection device that ejects fluid from an ejection port includes: a drive element that ejects fluid in accordance with a difference between voltages applied to a first terminal and a second terminal; a drive voltage waveform storing unit that stores a drive voltage waveform applied to the drive element; a plurality of power supplies each having a different voltage; and a drive voltage waveform applying unit that applies the drive voltage waveform to the drive element by switching among the plurality of power supplies connected to the first and second terminals of the drive element.