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Finger guide device

  • US 9,760,753 B2
  • Filed: 03/26/2012
  • Issued: 09/12/2017
  • Est. Priority Date: 11/03/2004
  • Status: Active Grant
First Claim
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1. A method for enabling the identification or authentication of a person comprising:

  • in an enrollment step, scanning several overlapping portions of a finger of the person and electronically assembling the overlapping portions into a completed template representing an area of the person'"'"'s fingerprint that is larger than any single scanned portion,in an identification or authentication step, having a fingerprint scanner located within a finger guide device that has side surfaces that form a recess for receiving a finger, the recess having a short concave radius at front end of the finger guide device where a fingertip just below a finger nail of the finger is proximal to the front end, and having a longer concave radius, relative to short concave radius, at the back end adjacent to the opposite side of a sensor forming a guide that extends up the finger towards the body of the person, slidingly guiding, using the guide of the recess, the finger downwardly along the side surfaces until reaching a stable position of global minimum over the fingerprint scanner to obtain a scan of a portion of the fingerprint, wherein by guiding the finger in the finger guide device, the finger touches the sensor consistently in a same approximate place so that a relevant portion of the fingerprint is read by the sensor for comparison of the scanned portion obtained with the completed template, andif the scanned portion is found within the completed template, identifying or authenticating the person.

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