发明公开
- 专利标题： Surface-acoustic-wave device
- 专利标题（中）： 表面声波设备
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申请号： EP88118923.7申请日： 1988-11-14
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公开(公告)号： EP0316836A3公开(公告)日： 1990-08-08
- 发明人: Sakamoto, Nobuyoshi , Huor, Ou Hok
- 申请人： Oki Electric Industry Company, Limited
- 申请人地址： 7-12, Toranomon 1-chome Minato-ku Tokyo 105 JP
- 专利权人： Oki Electric Industry Company, Limited
- 当前专利权人： Oki Electric Industry Company, Limited
- 当前专利权人地址： 7-12, Toranomon 1-chome Minato-ku Tokyo 105 JP
- 代理机构： Betten & Resch
- 优先权： JP291972/87 19871120; JP79541/88U 19880617
- 主分类号： H03H9/64
- IPC分类号： H03H9/64
摘要：
A surface-acoustic-wave device consists of a surface-acoustic-wave filter with a capacitance (C) connected in parallel between its input (21) and output leads (31). The capacitance improves the attenuation characteristic of the device on the high-frequency side of the center frequency.
公开/授权文献
- EP0316836B1 Surface-acoustic-wave device 公开/授权日：1995-04-05
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