| 发明名称 |
Antenna duplexer and communication apparatus |
| 摘要 |
An antenna duplexer hasa receiving filter having a surface acoustic wave device;a transmitting filter having a dielectric resonator; anda 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 |
US6784759(B2) |
申请公布日期 |
2004.08.31 |
| 申请号 |
US20020202799 |
申请日期 |
2002.07.25 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
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 |
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