Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Enwel Zhang0
Feng Chen0
Pel-Yuan Peng0
Zhen Jia0
Zisheng Cao0
Date of Patent
February 25, 2014
Patent Application Number
12737136
Date Filed
May 22, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A video-based system detects the position of elevator doors based on video data provided by one or more video detectors. Based on the detected position of the elevator doors, a distance between the elevator doors can be determined. The operation of the elevator doors is controlled based, at least in part, on the detected distance between the elevator doors.
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