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
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
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