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Wearable computing device authentication using bone conduction

  • US 9,740,842 B1
  • Filed: 12/21/2015
  • Issued: 08/22/2017
  • Est. Priority Date: 03/21/2012
  • Status: Active Grant
First Claim
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1. A computing device configured to be worn by a user, the computing device comprising:

  • a transmitter-transducer configured to contact the user at a first location on the user;

    a receiver-transducer configured to contact the user at a second location on the user; and

    a processor operatively coupled to the transmitter-transducer and the receiver-transducer, the processor being configured to;

    transmit a first signal via the transmitter-transducer for reception by the receiver-transducer, thereby transmitting sound between the first location and the second location on the user, the transmission altering characteristics of the first signal to produce a second signal;

    obtain one or more calibration signals from the second signal; and

    store calibration signal characteristics of the obtained one or more calibration signals in memory.

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