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The Shades of Gray Patent of the Day goes to Hewlett-Packard Development Company, LP. of Houston for a Biometric sensor
11/15/05

6,965,685 Biometric sensor
  Issued: November 15, 2005
  Filed: September 4, 2001
  U.S. Class: 382/115
Abstract:  Biometric sensing is performed by generating an input digital image of a human attribute; and correlating domains of lightness and darkness in the input digital image to domains of lightness and darkness in a reference digital image.

Posted by GEN-ERIC at 11:01:30 am into the following categories: Patents of the Day

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