| 摘要 |
PROBLEM TO BE SOLVED: To prevent execution of an operation that is not intended by an operator.SOLUTION: An opening/closing device includes an opening/closing body 10 that makes a closing motion in such a manner as to partition a space, and a plurality of operation switches that transmit an operation signal. The opening/closing device comprises a control circuit 34 that controls a motion of the opening/closing body 10 depending on the operation signal. When the operation signal is transmitted by the plurality of operation switches, an alarm is output.SELECTED DRAWING: Figure 1 |
