High-frequency front end module and communication device
US10998924B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2020 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Aug 4, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/0413
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A high-frequency front end module includes a primary antenna and a secondary antenna, a first multiplexer and a second multiplexer, and a switch circuit, in which the first multiplexer has a transmission filter of a band A and a reception filter of the band A, and does not have a transmission filter of a band B, the second multiplexer has a transmission filter of the band B and a reception filter of the band B, and does not have a transmission filter of the band A, and the switch circuit exclusively switches connection between the primary antenna and the first multiplexer and connection between the primary antenna and the second multiplexer, and exclusively switches connection between the secondary antenna and the first multiplexer and connection between the secondary antenna and the second multiplexer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.