| 发明名称 |
Surface-acoustic-wave filter |
| 摘要 |
<p>A SAW bandpass filter having a predetermined pass-band characteristic comprises a plurality of SAW resonators R1-R5 connected in a ladder formation in at least two series arms 61; 61a, 61b and at least two parallel arms 62-64, wherein all the resonators are formed on a single piezoelectric substrate 82.</p> |
| 申请公布号 |
EP1193870(A2) |
申请公布日期 |
2002.04.03 |
| 申请号 |
EP20010128370 |
申请日期 |
1992.10.27 |
| 申请人 |
FUJITSU LIMITED |
发明人 |
SATOH, YOSHIO;IKATA, OSAMU;MIYASHITA, TSUTOMU;MATSUDA, TAKASHI;TAKAMATSU, MITSUO |
| 分类号 |
H03H9/10;H03H9/64;H03H9/72;(IPC1-7):H03H9/64 |
主分类号 |
H03H9/10 |
| 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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