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US 12,415,705 B2Granted
Elevator communication system
AssigneeKone Corporation
InventorsAri Kattainen, Ferenc Staengler, Juha-Matti Aitamurto, Gergely Huszak
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Abstract
An elevator communication system includes a first elevator controller, a second elevator controller communicatively connected to the first elevator controller, a first ethernet bus portion connected to the first elevator controller, a second ethernet bus portion connected to the second elevator controller, and at least one elevator system node communicatively connected to the first elevator controller via the first ethernet bus portion and to the second elevator controller via the second ethernet bus portion.
Claims20
An elevator communication system comprising:
- a first elevator controller;
- a second elevator controller communicatively connected to the first elevator controller;
- a first ethernet bus portion connected to the first elevator controller, the first ethernet bus portion comprising sequential bus segments interconnected by at least one switch, the first ethernet bus portion extending in a first elevator shaft;
- a second ethernet bus portion connected to the second elevator controller, the second ethernet bus portion comprising sequential bus segments interconnected by at least one switch, the second ethernet bus portion extending in a second elevator shaft;
- and
- at least one elevator system node communicatively connected to the first elevator controller via the first ethernet bus portion and to the second elevator controller via the second ethernet bus portion.
3 more elements
Dependencies are inferred from the claim text.