发明名称 |
Antenna duplexer and communication apparatus |
摘要 |
An antenna duplexer has a receiving filter having a surface acoustic wave device; a transmitting filter having a dielectric resonator; and a matching circuit for matching the receiving filter and the transmitting filter with an antenna respectively, wherein the transmitting filter, receiving filter, and matching circuit are integrated with each other.
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申请公布号 |
US2003025572(A1) |
申请公布日期 |
2003.02.06 |
申请号 |
US20020202799 |
申请日期 |
2002.07.25 |
申请人 |
MAEKAWA TOMOYA;NAKAMURA HIROYUKI;YAMADA TORU;ISHIZAKI TOSHIO |
发明人 |
MAEKAWA TOMOYA;NAKAMURA HIROYUKI;YAMADA TORU;ISHIZAKI TOSHIO |
分类号 |
H01P1/213;H03H9/72;(IPC1-7):H03H7/46 |
主分类号 |
H01P1/213 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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