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FINGERPRINT SENSORS AND SYSTEMS INCORPORATING FINGERPRINT SENSORS

  • US 20160225209A1
  • Filed: 02/04/2016
  • Published: 08/04/2016
  • Est. Priority Date: 07/19/2010
  • Status: Active Grant
First Claim
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1. A method of operating an access control system, the method comprising:

  • recording fingerprint data corresponding to one or more fingers of a particular authorized person;

    recording a sequence of angular finger positions for the particular authorized person;

    providing a fingerprint sensor and a plurality of drive signal infection points at least partially surrounding the fingerprint sensor;

    receiving a series of fingerprint signals from the fingerprint sensor, wherein each fingerprint signal corresponds to at least one drive signal coupled to the fingerprint sensor by a finger;

    if the series of fingerprint signals corresponds to the recorded fingerprint data and the recorded sequence of angular finger positions, then providing an authorization signal, wherein the angular finger position of each fingerprint signal is determined by determining the at least one drive signal to which that fingerprint signal corresponds.

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