- 专利标题： Noise filter and electronic device using noise filter
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申请号： US10220700申请日： 2001-03-07
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公开(公告)号： US06998939B2公开(公告)日： 2006-02-14
- 发明人: Shogo Nakayama , Takeshi Orita , Eiichi Uriu , Kazuo Oishi , Tomoyuki Washizaki , Koji Nishimura , Kazutoshi Matsumura
- 申请人： Shogo Nakayama , Takeshi Orita , Eiichi Uriu , Kazuo Oishi , Tomoyuki Washizaki , Koji Nishimura , Kazutoshi Matsumura
- 申请人地址： JP
- 专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址： JP
- 代理机构： Steptoe & Johnson LLP
- 优先权： JP2000-062885 20000308; JP2000-073837 20000316; JP2000-081233 20000323
- 国际申请： PCT/JP01/01764 WO 20010307
- 国际公布： WO01/67470 WO 20010913
- 主分类号： H01H7/00
- IPC分类号： H01H7/00 ; H01F17/00
摘要：
Comprising a magnetic member 32 formed by laminating magnetic sheets 24, 28, 30, 31 a first impedance element 21 formed in the magnetic member 32, and a second impedance element 25 formed above the first impedance element 21, the first impedance element 21 includes a first normal impedance element 22 and a first common impedance element 23, and the second impedance element 25 includes a second common impedance element 26 and a second normal impedance element 27.
公开/授权文献
- US20030134612A1 Noise filter and electronic device using noise filter 公开/授权日：2003-07-17