发明名称 |
ELASTIC SURFACE WAVE FILTER |
摘要 |
PURPOSE:To reduce the ripple of the frequency properties while suppressing the increment of the insertion loss for the SAW (elastic surface wave) filter through a simple constitution in that input transducer TD is installed along with output TD which sandwiches the transducer TD and is parallel to the propagation direction of the surface wave. |
申请公布号 |
JPS54844(A) |
申请公布日期 |
1979.01.06 |
申请号 |
JP19770066141 |
申请日期 |
1977.06.03 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
TSUKAMOTO KATSUHIDE;NAGASAWA MASAHIRO;YAMAZOE HIROSHI |
分类号 |
H03H3/08;H03H9/00;H03H9/145;H03H9/64 |
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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