High-frequency circuit and communication device
US9252832B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2013 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Aug 13, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/18
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A high-frequency circuit includes: first duplexers, each including a first transmit filter having a first transmit band, a first receive filter having a first receive band, and a first common terminal to which first ends of the first transmit filter and the first receive filter are commonly connected; a first switch that selects and connects one of the first common terminals to a first antenna; an LPF or BPF that is connected between the first antenna and the first switch, and passes a signal in the first transmit band and the first receive band; and a second duplexer including: a second transmit filter having a second transmit band, a second receive filter having a second receive band, and a second common terminal that is connected to a second antenna and to which first ends of the second transmit filter and the second receive filter are commonly connected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.