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Command interface using fingerprint sensor input system

  • US 7,239,227 B1
  • Filed: 12/30/1999
  • Issued: 07/03/2007
  • Est. Priority Date: 12/30/1999
  • Status: Expired due to Term
First Claim
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1. An apparatus comprising:

  • a substrate;

    a plurality of position sensing devices located on the substrate for detecting the presence of an object;

    a plurality of groups of the position sensing devices, each group being composed of a plurality of sensing devices and each group being electronically segmented and each group being located at a selected, respective position on the substrate;

    an electronic logic circuit coupled to each of the groups for sensing whether a human appendage has been placed adjacent the respective group.

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