Acoustic filters with shared acoustic tracks for series and shunt resonators
US12289099B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Dec 22, 2021 |
| Grant date | Apr 29, 2025 |
| Priority date | — |
| Expiry date | Apr 30, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2003/023
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Acoustic filters devices and methods of making the same. A filter device includes a first plurality of acoustic resonators including at least one first series resonator and at least one first shunt resonator. The at least one first series resonator and the at least one first shunt resonator are acoustically coupled along a first shared acoustic track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.