Number | Date | Country | Kind |
---|---|---|---|
2000-047919 | Feb 2000 | JP |
Number | Name | Date | Kind |
---|---|---|---|
5623238 | Takahashi et al. | Apr 1997 | A |
6121861 | Yabuki et al. | Sep 2000 | A |
6201458 | Matsuo et al. | Mar 2001 | B1 |
6218915 | Schallner | Apr 2001 | B1 |
Number | Date | Country |
---|---|---|
0 509 636 | Oct 1992 | EP |
0 571 777 | Dec 1993 | EP |
0 646 981 | Apr 1995 | EP |
5-251904 | Sep 1993 | JP |
6112701 | Apr 1994 | JP |
8-46413 | Feb 1996 | JP |
9139612 | May 1997 | JP |
9162610 | Jun 1997 | JP |
9-186502 | Jul 1997 | JP |
Entry |
---|
Zhu L et al; New Planar Dual-Mode Filter Using Cross-Slotted Patch Resonator for Simultaneous Size and Loss Reduction; IEEE Transactions on Microwave Theory and Techniques, US, IEEE Inc. New York; vol. 47, No. 5, May 1999, pp. 650-654; XP000827467. |
Abstract 1991 IEEE MTT-S Digest, PP 443-446, Miniature Dual Mode Microstrip Filters, J.A. Curtis and S.J. Fiedziuszko. |