发明授权
- 专利标题: Magnetic reproducing head having a distributed-constant circuit type magnetic field detector
- 专利标题(中): 具有分布常数电路型磁场检测器的磁性再现头
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申请号: US842924申请日: 1992-02-27
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公开(公告)号: US5365391A公开(公告)日: 1994-11-15
- 发明人: Yasunari Sugiyama , Kiyoshi Kagawa , Masatoshi Hayakawa , Hiroyuki Ohmori
- 申请人: Yasunari Sugiyama , Kiyoshi Kagawa , Masatoshi Hayakawa , Hiroyuki Ohmori
- 申请人地址: JPX Tokyo
- 专利权人: Sony Corporation
- 当前专利权人: Sony Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX3-034795 19910228; JPX3-256557 19911003
- 主分类号: G01R33/02
- IPC分类号: G01R33/02 ; G01R33/12 ; G11B5/33 ; G11B5/39 ; H01P1/00 ; H01P3/08 ; H01P11/00 ; G11B5/127
摘要:
A distributed-constant circuit type magnetic field detector which includes a magnetic member whose permeability varies with changes in a magnetic field applied thereto disposed at a point where a magnetic field is produced in a distributed-constant circuit excited with an electromagnetic wave and a detector for detecting a change in electromagnetic field distribution in the distributed-constant circuit produced by a variation in permeability of the magnetic member upon application thereto of a magnetic field to be detected.
公开/授权文献
- US5763132A Toner compositions 公开/授权日:1998-06-09
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