Dual axis vibration rate gyroscope
US7673510B2 · kind B2 · utility
2Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2005 |
| Grant date | Mar 9, 2010 |
| Priority date | — |
| Expiry date | Mar 11, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C25/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A dual-axis rotational rate sensor having two vibratory masses coupled to a restoring element and driven in a resonant counter-phase motion, wherein the two masses vibrate with equal but opposite amplitudes along a single axis. The vibratory structure also accommodates motion of the masses in a plane orthogonal to the vibratory axis. Measurement of the motion of the masses in two axes in this plane provides signals directly responsive to rotation of the sensor about two orthogonal axes. Measurement and drive is facilitated by the use of magnetic masses and electromagnetic drive and sense transducers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.