|
| US4028650 | 8. Mai 1975 | 7. Juni 1977 | Nippon Hoso Kyokai | Microwave circuits constructed inside a waveguide |
| US4467294 | 17. Dez. 1981 | 21. Aug. 1984 | Vitalink Communications Corporation | Waveguide apparatus and method for dual polarized and dual frequency signals |
| US4568893 | 31. Jan. 1985 | 4. Febr. 1986 | RCA Corporation | Millimeter wave fin-line reflection phase shifter |
| US4622524 | 22. Febr. 1985 | 11. Nov. 1986 | ANT Nachrichtentechnik GmbH | Dual band polarization filter comprising orthogonally oriented fin-type conductors |
| US4642584 | 31. Jan. 1985 | 10. Febr. 1987 | Thomson-CSF | Slot-line switching and limiting device for operation at microwave frequencies |
| US4789840 | 16. Apr. 1986 | 6. Dez. 1988 | Hewlett-Packard Company | Integrated capacitance structures in microwave finline devices |
| US4800349 | 17. Sept. 1987 | 24. Jan. 1989 | Alcatel Thomson Faisceaux | E-plane type wide band composite filter |
| US4873501 | 27. Juni 1986 | 10. Okt. 1989 | The United States of America as represented by the Secretary of the Navy | Internal transmission line filter element |
| US4894627 | 3. Jan. 1989 | 16. Jan. 1990 | Motorola, Inc. | Directional waveguide-finline coupler |
| US5945894 | 26. Juni 1997 | 31. Aug. 1999 | Murata Manufacturing Co., Ltd. | Dielectric resonator and filter utilizing a non-radiative dielectric waveguide device |
| US6392508 | 28. März 2000 | 21. Mai 2002 | Nortel Networks Limited | Tuneable waveguide filter and method of design thereof |
| US6531936 | 15. Okt. 1999 | 11. März 2003 | Paratek Microwave, Inc. | Voltage tunable varactors and tunable devices including such varactors |
| US6661315 | 6. März 2001 | 9. Dez. 2003 | Murata Manufactuing Co. Ltd | Resonator, filter, oscillator, duplexer, and communication apparatus |
| US7030720 | 29. März 2004 | 18. Apr. 2006 | Thomson Licensing | Floating microwave filter in a waveguide structure |