Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 9, 2019
Patent Application Number
15670115
Date Filed
August 7, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
An earbud includes an infrared light transmitter, an infrared light detector, and a controller configured to provide an indication of insertion of the earbud into an ear of a user responsive to detection of a pattern of signals from the transmitter at the detector.
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