US Patent 10732258 Hybrid audio-based presence detection
Patent 10732258 was granted and assigned to Amazon on August, 2020 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
September 26, 2016
Date of Patent
August 4, 2020
Patent Applicant
Patent Application Number
15276278
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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