Filters having resonators with negative coupling
US11721878B2 · kind B2 · utility
0Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 1, 2021 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Jan 15, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P11/007
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Filter devices are provided herein. A filter device includes a plurality of low-band resonators and a plurality of high-band resonators. In some embodiments, adjacent ones of the plurality of high-band resonators are spaced farther apart from each other than adjacent ones of the plurality of low-band resonators are spaced apart from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.