| 发明名称 |
Mindestens zwei Filterzweige enthaltendes Kommunikationssystem |
| 摘要 |
The invention concerns a communication system comprising at least two filter branches which each contain a surface wave filter (21, 22), electro-acoustic filter structures (23) being provided on a common piezoelectric substrate (20).
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| 申请公布号 |
DE19618706(A1) |
申请公布日期 |
1997.11.13 |
| 申请号 |
DE19961018706 |
申请日期 |
1996.05.09 |
| 申请人 |
SIEMENS MATSUSHITA COMPONENTS GMBH & CO. KG, 81541 MUENCHEN, DE |
发明人 |
BAUREGGER, JOSEF, DIPL.-ING., 81737 MUENCHEN, DE |
| 分类号 |
H03H9/25;H03H9/64;(IPC1-7):H03H9/64 |
主分类号 |
H03H9/25 |
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