Low impedance single-ended tuning fork and method
US5939631A · kind A · utility
6Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 13, 1998 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Mar 13, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C19/5607
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Single-ended tuning fork and method in which a body of piezoelectric material is formed with a base and a pair of elongated vibratory tines extending from the base, and drive and pickup electrodes are positioned side-by-side on the tines at substantially equal distances from the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.