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Wireless communications headset system employing a loop transmitter that fits around the pinna

  • US 9,351,064 B2
  • Filed: 02/13/2014
  • Issued: 05/24/2016
  • Est. Priority Date: 08/31/2006
  • Status: Active Grant
First Claim
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1. A communications system comprising:

  • a battery-free wireless earplug for insertion into an ear of a user, comprising;

    i) a receiver comprising a wire having two ends and a length there between formed into a loop having a plurality of turns, such that magnetic flux passing through the loop is converted into an electrical voltage on the ends of the wire;

    ii) a speaker coupled to the wire of the loop in the receiver, the electrical voltage on the ends of the wire driving the speaker to produce sound; and

    iii) an earshell for insertion into the ear of the user, the receiver and the speaker being located within the earshell with the speaker mounted to direct sound into the user'"'"'s ear canal;

    such that when the earplug is placed in a user'"'"'s ear and the receiver is subjected to a magnetic flux from an audio signal introduced into a loop transmitter outside of the ear of the user, the magnetic flux from the loop transmitter drives the speaker to provide sound into the user'"'"'s ear.

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