发明名称 |
ELECTRIC HOISTING/LOWERING DEVICE OF ELECTRIC APPARATUS |
摘要 |
PROBLEM TO BE SOLVED: To provide an electric hoisting/lowering device of an electric apparatus capable of relatively correctly controlling a stop position of the electric apparatus. SOLUTION: A motor control circuit 24 of this electric hoisting/lowering device 1 stops the drive of a motor 7 when a count value of a counter 23 for counting pulse signals outputted by an encoder 21 reaches a predetermined value indicating the lower limit value in lowering a luminaire suspended by a wire rope by driving the motor 7 to rotate a reeling drum. COPYRIGHT: (C)2004,JPO&NCIPI
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申请公布号 |
JP2004207031(A) |
申请公布日期 |
2004.07.22 |
申请号 |
JP20020374484 |
申请日期 |
2002.12.25 |
申请人 |
TOSHIBA CORP |
发明人 |
HIRATA MASAMI;OKAMURA MANABU |
分类号 |
F21V21/36;(IPC1-7):F21V21/36 |
主分类号 |
F21V21/36 |
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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