发明申请
- 专利标题: Bandpass Filter, and Wireless Communication Module and Wireless Communication Apparatus Which Employ the Bandpass Filter
- 专利标题(中): 带通滤波器,以及采用带通滤波器的无线通信模块和无线通信装置
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申请号: US12675729申请日: 2008-08-29
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公开(公告)号: US20100219915A1公开(公告)日: 2010-09-02
- 发明人: Hiromichi Yoshikawa , Shinji Isoyama , Katsuro Nakamata
- 申请人: Hiromichi Yoshikawa , Shinji Isoyama , Katsuro Nakamata
- 申请人地址: JP Kyoto-shi, Kyoto
- 专利权人: KYOCERA CORPORATION
- 当前专利权人: KYOCERA CORPORATION
- 当前专利权人地址: JP Kyoto-shi, Kyoto
- 优先权: JP2007-222976 20070829; JP2007-279856 20071029; JP2007-279857 20071029; JP2008-080827 20080326; JP2008-080828 20080326; JP2008-080829 20080326
- 国际申请: PCT/JP2008/065600 WO 20080829
- 主分类号: H01P1/203
- IPC分类号: H01P1/203
摘要:
An ultra-wideband bandpass filter having two adequately-wide pass bands, and a wireless communication module and a wireless communication apparatus which employ the bandpass filter are provided. In a bandpass filter, first resonant electrodes are arranged on a first interlayer of a multilayer body in an interdigital form; a plurality of second resonant electrodes are arranged on a second interlayer in an interdigital form; and an input coupling electrode and an output coupling electrode are arranged on a third interlayer located between the first interlayer and the second interlayer. The input coupling electrode faces an input-stage first resonant electrode and an input-stage second resonant electrode in an interdigital form. The output-coupling electrode faces an output-stage first resonant electrode and an output-stage second resonant electrode in an interdigital form.
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