| 发明名称 |
PROXIMITY DETECTOR |
| 摘要 |
PURPOSE:To enhance the detecting sensitivity of a proximity detector by connecting a coil to an antenna to form a series resonance circuit with the ground electrostatic capacity of the antenna and controlling the movement of an elevator cage door with the output of the circuit. |
| 申请公布号 |
JPS53119546(A) |
申请公布日期 |
1978.10.19 |
| 申请号 |
JP19770032634 |
申请日期 |
1977.03.24 |
| 申请人 |
MITSUBISHI ELECTRIC CORP |
发明人 |
NODA MASAHIRO;TAKAHASHI RIYOUJI |
| 分类号 |
B66B1/36;B66B13/26;E05F15/00;E05F15/10;H03K17/955 |
主分类号 |
B66B1/36 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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