Invention Grant
US08462755B2 Duplexer/multiplexer having filters that include at least one band reject filter
有权
具有包括至少一个带阻滤波器的滤波器的双工器/多路复用器
- Patent Title: Duplexer/multiplexer having filters that include at least one band reject filter
- Patent Title (中): 具有包括至少一个带阻滤波器的滤波器的双工器/多路复用器
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Application No.: US13450152Application Date: 2012-04-18
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Publication No.: US08462755B2Publication Date: 2013-06-11
- Inventor: Chun-Yun Jian , Eric Gagnon , Lan Hu
- Applicant: Chun-Yun Jian , Eric Gagnon , Lan Hu
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.
- Main IPC: H04H20/67
- IPC: H04H20/67 ; H03H7/46 ; H04B1/44
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.
Public/Granted literature
- US20120201174A1 Duplexer/Multiplexer Having Filters that Include at Least One Band Reject Filter Public/Granted day:2012-08-09
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