发明授权
- 专利标题: Inboard type magnetic system for electro-dynamic transducer
- 专利标题(中): 用于电动变换器的内置型磁系统
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申请号: US636960申请日: 1975-12-02
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公开(公告)号: US4055732A公开(公告)日: 1977-10-25
- 发明人: Hisashi Yoshimura , Sadao Yukimoto , Takashi Matsumoto , Isago Konno , Nobuyuki Kato , Tadao Ohtani , Takao Kubo
- 申请人: Hisashi Yoshimura , Sadao Yukimoto , Takashi Matsumoto , Isago Konno , Nobuyuki Kato , Tadao Ohtani , Takao Kubo
- 申请人地址: JA Osaka
- 专利权人: Matsushita Electric Industrial Company Limited
- 当前专利权人: Matsushita Electric Industrial Company Limited
- 当前专利权人地址: JA Osaka
- 优先权: JA49-139322 19741202
- 主分类号: H01F1/04
- IPC分类号: H01F1/04 ; H01F7/02 ; H04R9/02 ; B21C23/00 ; C22C22/00
摘要:
An inboard type magnetic system for an electrodynamic transducer which has a reduced height and magnetic flux leakage by making use of a manganese-aluminum-carbon system alloy magnet anisotropized by warm extrusion.
公开/授权文献
- US5725747A Electrochemical measurement cell 公开/授权日:1998-03-10
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