Number | Date | Country | Kind |
---|---|---|---|
9-319653 | Nov 1997 | JPX | |
9-360511 | Dec 1997 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4353046 | Hartmann | Oct 1982 | |
4642506 | Lewis | Feb 1987 | |
4910839 | Wright | Mar 1990 | |
5073763 | Wright | Dec 1991 | |
5264751 | Dufilie et al. | Nov 1993 | |
5274345 | Gau | Dec 1993 | |
5313177 | Hickernell et al. | May 1994 | |
5550793 | Dufilie | Aug 1996 | |
5663695 | Tanaka et al. | Sep 1997 | |
5703427 | Solal et al. | Dec 1997 |
Number | Date | Country |
---|---|---|
2-45364 | Sep 1990 | JPX |
WO 9422217 | Sep 1994 | WOX |
Entry |
---|
C.S. Hartmann & B.P. Abbott: "Overview of Design Challenges For Single Phase Unidirectional Saw Filters", Proc. IEEE Ultrasonics Symposium (1989) pp. 79-89. |
M.F. Lewis: "Low Loss Saw Devices Employing Single Stage Fabrication", Proc. IEEE Ultrasonics Symposium (1983) pp. 104-108. |
K. Yamanouchi and H. Furuyashiki: "Low Loss Saw Filter Using Internal Reflection Types of New Single-Phase Unidirectional Transducer", Proc. IEEE Ultrasonics Symposium, (1984) pp. 68-71. |