Extension sensing actuator
US8806941B2 · kind B2 · utility
0Cited by
16References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2008 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Sep 5, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/50
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.