Resonant cavity filters including coupling tuning by resonator rotation
US11996599B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Jul 30, 2020 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Mar 20, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P7/06
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A resonant cavity filter includes a filter housing defining an internal cavity therein, a resonating element in the internal cavity of the filter housing, and a coupling transmission line extending adjacent a periphery of the resonating element in the internal cavity of the filter housing. The resonating element is rotatable relative to the coupling transmission line to vary an electromagnetic coupling therebetween. Related devices and methods of operation are also discussed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.