B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
B66B 13/22 (2006.01)
Patent
CA 2416902
The invention relates to a monitoring device for an elevator comprising several switching devices (1), which can be actuated without contact and which are series-connected to one another to form a security chain (S). The switching device (1) comprises an inquiry unit (2) and a responding unit (3). The responding unit (3) reacts exclusively to a pattern (M) generated by the inquiry unit (2) when they are sufficiently close. A reliable and trouble-free monitoring is made possible thus ensuring a reliable operation of the elevator installation.
L'invention concerne un dispositif de surveillance pour ascenseur, qui comporte plusieurs dispositifs de commutation (1) actionnables sans contact, interconnectés en série pour former une chaîne de sécurité (S). Le dispositif de commutation (1) comprend une unité d'interrogation (2) et une unité de réponse (3). L'unité de réponse (3) ne réagit qu'à un modèle (M) produit par l'unité d'interrogation (2), s'ils se trouvent suffisamment proches. Ce système permet d'assurer une surveillance fiable et efficace et de garantir un fonctionnement fiable du système d'ascenseur.
Ag Inventio
Riches Mckenzie & Herbert Llp
LandOfFree
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