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.
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
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