Invention Grant
US07701311B2 Antenna duplexer, and RF module and communication apparatus using the same
有权
天线双工器，以及使用其的RF模块和通信设备
- Patent Title: Antenna duplexer, and RF module and communication apparatus using the same
- Patent Title (中): 天线双工器，以及使用其的RF模块和通信设备
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Application No.: US12185342Application Date: 2008-08-04
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Publication No.: US07701311B2Publication Date: 2010-04-20
- Inventor: Hiroyuki Nakamura , Keiji Onishi , Tomohiro Iwasaki
- Applicant: Hiroyuki Nakamura , Keiji Onishi , Tomohiro Iwasaki
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2004-227924 20040804
- Main IPC: H03H9/70
- IPC: H03H9/70 ; H03H9/72
Abstract:
One of plurality of transmission terminals connected to a transmission filter and a receiving terminal connected to a receiving filter is a balanced type terminal, and another is an unbalanced type terminal. The transmission filter and the receiving filter includes surface acoustic wave resonators or film bulk acoustic resonators. The balanced type terminal is connected to a longitudinal mode coupled surface acoustic wave filter.
Public/Granted literature
- US20090002096A1 ANTENNA DUPLEXER, AND RF MODULE AND COMMUNICATION APPARATUS USING THE SAME Public/Granted day:2009-01-01
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