发明名称 |
FILTER, DUPLEXER AND COMMUNICATION MODULE |
摘要 |
A filter includes at least one series resonator and parallel resonators, the at least one series resonator and the parallel resonators including excitation electrodes and reflectors, the parallel resonators having different resonance frequencies, and at least one of the parallel resonators other than the parallel resonator having the highest resonance frequency being configured to have a pitch of reflectors that is smaller than that of excitation electrodes.
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申请公布号 |
US2012274421(A1) |
申请公布日期 |
2012.11.01 |
申请号 |
US201213482103 |
申请日期 |
2012.05.29 |
申请人 |
HARA MOTOAKI;TSUTSUMI JUN;INOUE SHOGO;IWAKI MASAFUMI;UEDA MASANORI;TAIYO YUDEN CO., LTD. |
发明人 |
HARA MOTOAKI;TSUTSUMI JUN;INOUE SHOGO;IWAKI MASAFUMI;UEDA MASANORI |
分类号 |
H03H9/64 |
主分类号 |
H03H9/64 |
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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