Image analysis – Applications – Personnel identification
Patent
1995-12-15
2000-01-18
Boudreau, Leo H.
Image analysis
Applications
Personnel identification
324678, G06K 928, G01R 2924
Patent
active
060163550
ABSTRACT:
An apparatus for detecting topographic variations on an object such as a finger includes an array of sensing elements disposed on a substrate which each have a parasitic capacitance. An insulating receiving surface is disposed over the array of sensing elements and is adapted to receive the object such that a sensing element and a portion of the object located thereabove creates a measurable change in capacitance with respect to the parasitic capacitance. An electronic circuit is coupled to the array of sensing elements for measuring the measurable change in capacitance.
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Dickinson Alexander George
McPherson Ross
Mendis Sunetra
Ross Paul C.
Tyson John A.
Boudreau Leo H.
Veridicom, Inc.
Werner Brian P.
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