Electromechanical resonance device and its application to filtering of television signals
US3968462A · kind A · utility
1Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 15, 1975 |
| Grant date | Jul 6, 1976 |
| Priority date | — |
| Expiry date | Jul 15, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/562
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The present invention relates to electromechanical resonance devices comprising a piezo-electric crystalline plate and electrodes arranged opposite one another upon the principal faces of said plate. In accordance with the invention, the piezo-electric wafer is cut from a lithium niobate crystal, in accordance with the Y + 37.degree. cut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.