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Biometric authentication system and biometric sensor configured for single user authentication

  • US 9,111,126 B2
  • Filed: 04/29/2014
  • Issued: 08/18/2015
  • Est. Priority Date: 07/13/2010
  • Status: Expired due to Fees
First Claim
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1. A method of controlling access by a user to a portable electronic device, the portable electronic device including a biometric sensor integrated thereon, the method comprising:

  • an enrollment procedure comprisingcapturing initial user input provided by the user using the biometric sensor operating in accordance with a sensing parameter and deriving initial biometric data from the initial user input, wherein the biometric sensor comprises a transducer that converts a biological signal into an electrical or mechanical signal, and the sensing parameter defines at least one characteristic of the conversion,analyzing the initial biometric data in relation to the sensing parameter and adjusting the sensing parameter on the basis of analyzed initial biometric data,capturing subsequent user input provided by the user using the biometric sensor operating in accordance with the adjusted sensing parameter and deriving subsequent biometric data from the subsequent user input,generating template information from the subsequent biometric data and storing the template information in the portable electronic device, andstoring sensing parameter information indicative of the adjusted sensing parameter in the portable electronic device; and

    using the stored template information and the biometric sensor operating in accordance with the stored sensing parameter information to authenticate access by the user to the portable electronic device.

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