Movement sensing
US4815321A · kind A · utility
6Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 10, 1986 |
| Grant date | Mar 28, 1989 |
| Priority date | — |
| Expiry date | Oct 10, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01P15/093
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An alternative form of accelerometer is described herein in which an acceleration sensitive element (68, 69) is coupled to a deformable reflector (60) in a lasing cavity (58) to vary the radius of curvature of the reflector in response to experienced acceleration and hence to alter the beat frequency between two transverse lasing modes in the cavity to provide an output signal indicative of the acceleration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.