Duplexer/multiplexer having filters that include at least one band reject filter
US8204031B2 · kind B2 · utility
17Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2008 |
| Grant date | Jun 19, 2012 |
| Priority date | — |
| Expiry date | May 26, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/0057
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A wireless communications device includes an antenna, a multi-port path selection structure having an antenna port connected to the antenna, and plural ports connected to respective one or more receive and transmit paths of the wireless communications device. The multi-port path selection structure has a transmit band reject filter connected to the transmit path and a second filter connected to the receive path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.