Acoustic surface wave filter
US3999153A · kind A · utility
5Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 22, 1975 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | Jul 22, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/02692
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An acoustic surface wave filter comprises a member stimulable to surface oscillations with means for converting electrical energy into mechanical energy and vice versa associated therewith and a plurality of disturbance locations on a surface of the member in the form of a line grating with variable spacing between adjacent lines in the longitudinal direction of the lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.