Takeshi Seto,Kazuo Kawasumi,Yasuyoshi Hama,Hideki Kojima,Yasuhiro Ono
申请号：
US12568156
公开号：
US08998938B2
申请日:
2009.09.28
申请国别(地区):
US
年份:
2015
代理人:
摘要：
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.
