Microresonator of tuning fork configuration operating at its second overtone frequency
US4415827A · kind A · utility
29Cited by
1References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 27, 1981 |
| Grant date | Nov 15, 1983 |
| Priority date | — |
| Expiry date | May 27, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/215
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An improved piezoelectric tuning fork (12) is disclosed in which the electrodes which drive the tuning fork (30, 32, 34; 36, 38, 40; 42, 48, 50; 52, 54, 56; 58, 60, 62; 64, 66, 68) are positioned along the tines (16, 18) so as to optimize operation at the second overtone frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.