Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 5, 2021
Patent Application Number
16908273
Date Filed
June 22, 2020
Patent Citations
Patent Primary Examiner
Patent abstract
The method includes obtaining, using a face camera of a smart phone, identification information from a ceiling light of a facility with visible light communication, and obtaining location information of the ceiling light related to the identification information. The method also includes displaying a location related to the location information of the ceiling light on a map of the facility on a display of the smart phone. The smart phone is set on a cart in a state that the face camera is directed to a ceiling of the facility on which the ceiling light is attached, and the face camera is a CMOS sensor and the CMOS sensor is used only for the visible light communication.
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