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
DK2150773(T3)
申请公布日期
2012.01.02
申请号
DK20080775745T
申请日期
2008.05.27
申请人
THE SCIENCE AND TECHNOLOGY FACILITIES COUNCIL
发明人
STRACHAN, MEL;KIRK, KATHERINE, JOANNE;COCHRAN, ALEXANDER
