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. 07, 2015
Filed:
Sep. 28, 2009
Takeshi Seto, Chofu, JP;
Kazuo Kawasumi, Chino, JP;
Yasuyoshi Hama, Shimosuwa-machi, JP;
Hideki Kojima, Matsumoto, JP;
Yasuhiro Ono, Matsumoto, JP;
Takeshi Seto, Chofu, JP;
Kazuo Kawasumi, Chino, JP;
Yasuyoshi Hama, Shimosuwa-machi, JP;
Hideki Kojima, Matsumoto, JP;
Yasuhiro Ono, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A fluid ejection device includes: a fluid chamber whose capacity is variable; an inlet flow path and an outlet flow path communicating with the fluid chamber; a capacity changing unit which changes the capacity of the fluid chamber; a fluid supplying unit which supplies fluid to the inlet flow path; a fluid ejection opening disposed at an end of the outlet flow path opposite to an end communicating with the fluid chamber; a vibrating unit which vibrates a component in the vicinity of the fluid ejection opening; a vibration detecting unit which detects the level of vibration of the component in the vicinity of the fluid ejection opening; and an operation control unit which controls operation of the capacity changing unit based on the level of the vibration detected by the vibration detecting unit.