Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 19, 2015
Patent Application Number
13336626
Date Filed
December 23, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
Elevator car position information can be determined based at least in part on readings from a sensor attached to the elevator car. The sensor readings provide movement information for the car. Some elevator installations are also configured with additional sensors for calibrating the sensor attached to the elevator car. The sensors can be used with, for example, an elevator installation that is being modernized.
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