Magnetically tuned, surface acoustic wave device
US4078186A · kind A · utility
25Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1976 |
| Grant date | Mar 7, 1978 |
| Priority date | — |
| Expiry date | Oct 21, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/36
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A surface acoustic wave device having a thin magnetostrictive film deposi on the surface between its input and output transducers. A variable D.C. field is applied to the film to vary its characteristics and thereby correspondingly continuously vary the delay or phase shift of the surface acoustic wave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.