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Infrared biometric finger sensor and associated methods

  • US 7,321,701 B2
  • Filed: 09/03/2004
  • Issued: 01/22/2008
  • Est. Priority Date: 09/05/2003
  • Status: Expired due to Fees
First Claim
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1. An infrared finger sensor apparatus comprising:

  • an integrated circuit substrate for receiving a user'"'"'s finger adjacent thereto;

    a plurality of infrared sensing pixels on said integrated circuit substrate for sensing infrared radiation naturally emitted from subdermal features when the user'"'"'s finger is positioned adjacent said integrated circuit substrate; and

    a processor connected to said plurality of infrared sensing pixels for generating infrared biometric data based upon infrared radiation naturally emitted from the subdermal features of the user'"'"'s finger.

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