A device comprising a solid-state actuator (100), means for inputting an acoustic signal to the actuator (104) and means for measuring the resultant signal (104). The measured acoustic signal can be used to determine the extension of the solid-state actuator.
申请公布号
AT523760(T)
申请公布日期
2011.09.15
申请号
AT20080775745T
申请日期
2008.05.27
申请人
SCIENCE AND TECHNOLOGY FACILITIES COUNCIL;UNIVERSITY OF THE WEST OF SCOTLAND