Gyroscope and input unit using the same
US6584843B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 22, 2001 |
| Grant date | Jul 1, 2003 |
| Priority date | — |
| Expiry date | Jul 9, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C19/5607
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A gyroscope includes a tuning fork, which includes a plurality of tines formed of a conductive material and a supporting portion; an upper glass substrate and a lower glass substrate which sandwich the tuning fork; drive electrodes which are provided on each of the upper and the lower glass substrates in such a manner that parts of the drive electrodes oppose the tines and the remaining parts protrude from the tines, the drive electrodes being capacitively coupled to the tines and driving the tines in a direction parallel to the substrates; and detection electrodes which are capacitively coupled to the tines, and which detect displacements of the tines in a direction perpendicular to the vibrating direction of the tines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.