发明名称 |
Electrical filter with acoustic waves |
摘要 |
A surface wave filter with an input transducer and an output transducer. The input and output transducers have finger weightings such that a finger-overlap profile of the input/output transducer repeats in multiple fashion in the output/input transducer.
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申请公布号 |
US4684907(A) |
申请公布日期 |
1987.08.04 |
申请号 |
US19860865430 |
申请日期 |
1986.05.21 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
ZIBIS, PETER |
分类号 |
H03H3/08;H03H9/02;H03H9/145;H03H9/64;(IPC1-7):H03H9/72 |
主分类号 |
H03H3/08 |
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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