Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 11, 2018
Patent Application Number
15359183
Date Filed
November 22, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
Provided is a system for tracking locations of workers. In the system, a first mobile terminal of a first worker located in a coverage area of an anchor node may perform wireless communication with the anchor node to operate in a tracking mode of tracking a location of the first worker, and a second mobile terminal of a second worker located outside the coverage area of the anchor node may perform wireless communication with the first mobile terminal entering a virtual perimeter to track a location of the second worker.
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