Apparatus and method for detecting a rotation
US7895892B2 · kind B2 · utility
28Cited by
11References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 30, 2008 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Apr 22, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C19/5698
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A rotation sensor has a substrate with a first surface and a second surface. A shear-wave transparent mirror is arranged on the first surface of the substrate, and a shear-wave isolator is arranged above the shear-wave transparent mirror, the shear-wave transparent mirror and the shear-wave isolator being arranged separated from each other to define a Coriolis zone there between. A bulk-acoustic-wave resonator is arranged above the shear-wave isolator, and a shear-wave detector is arranged on the substrate in a direction, in which a shear-wave generated by the bulk-acoustic-wave resonator upon rotation propagates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.