| 摘要 |
<p>The system has an intended sensor (22) designed to recognize a person or a vehicle approaching from outside to a rolling shutter (16) equipped buildings (10) and to control switching devices if necessary over an additional switching device to lower the shutter. The sensor has a movement alarm unit to differentiate between animals and humans. A trigger mechanism is intended, which is directly or indirectly actuated around the switching device by an authorized person to activate or deactivate directly over any additional switching device. Independent claims are also included for the following: (1) supplementary part, which has a trigger mechanism for direct or indirect actuation to lower the shutter by an authorized person (2) actuation of a shutter system, which has a shutter with a driving motor, where switching device controls the lowering of the shutter.</p> |
