Number | Date | Country | Kind |
---|---|---|---|
3517254 | May 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3573673 | De Vries et al. | Apr 1971 | |
3872410 | Zucker | Mar 1975 | |
4516094 | Lee | May 1985 |
Number | Date | Country |
---|---|---|
2235233 | Jul 1977 | DEX |
1441602 | Jul 1976 | GBX |
2050742 | May 1980 | GBX |
Entry |
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Cross et al., "Very Low Loss SAW Resonators Using Parallel Coupled Cavities", 1982, IEEE, pp. 284-289. |
Desbois, "The Problem of the Accuracy in the Fabrication of Multipole SAW Resonator Filters", 1979, IEEE, pp. 841-844. |
Coldren, "Surface-Acoustic-Wave Resonator Filters", Jan. 1979, IEEE, pp. 147-158. |
U.S. Ser. No. 819,304, (VPA 85 P 1026), Bulst et al., assigned to Siemens AG. |