发明名称 |
Filter for short electromagnetic waves formed as a comb line or interdigital line filters |
摘要 |
Microwave filters which have the best electrical characteristics for small volumes are required in radio communications particularly in traffic broadcast communication links and the invention provides filters formed as comb line or interdigital line filters in which the inner resonator conductors are formed as flat spirals.
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申请公布号 |
US4757285(A) |
申请公布日期 |
1988.07.12 |
申请号 |
US19870069169 |
申请日期 |
1987.07.02 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
KRAUSE, HEINZ |
分类号 |
H01P1/203;H01P1/205;H01P5/08;H01P7/00;(IPC1-7):H01P1/205 |
主分类号 |
H01P1/203 |
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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