发明授权
US3400348A Polarized reed relay wherein the permanent magnet is around the reed switch and in contact with the coil
失效
极化簧片继电器,其中永磁体围绕簧片开关并与线圈接触
- 专利标题: Polarized reed relay wherein the permanent magnet is around the reed switch and in contact with the coil
- 专利标题(中): 极化簧片继电器,其中永磁体围绕簧片开关并与线圈接触
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申请号: US12153461申请日: 1961-07-03
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公开(公告)号: US3400348A公开(公告)日: 1968-09-03
- 发明人: DE PARRY THEODORE
- 申请人: AUTOMATIC ELECT LAB
- 专利权人: Automatic Elect Lab
- 当前专利权人: Automatic Elect Lab
- 优先权: US12153461 1961-07-03
- 主分类号: H01H51/28
- IPC分类号: H01H51/28
公开/授权文献
- US07969206B2 Semiconductor element drive circuit 公开/授权日:2011-06-28
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