| 摘要 |
The door drive includes a motor for opening and/or closing the wing of a door. A sensing device monitors both side of the door wing and controls the motor accordingly. The sensor device comprises a person-detecting sensor (7,8) on each side of the door. The sensor on the side remote from the motor has a wireless coupling to the motor or motor controller. The sensor on the remote side may be coupled via a radio link. The door wing pref. includes a lock, and the sensor device monitors the position of the door handle. The person-detecting sensor may be a radar, infrared, or optical sensor. |
