Apparatus and method for identifying individuals through...

Details Apparatus and method for identifying individuals through... Apparatus and method for identifying individuals through...

G - Physics

06

K

354/57

G06K 9/00 (2006.01) A61B 3/00 (2006.01) A61B 3/10 (2006.01) A61B 3/14 (2006.01) A61B 5/117 (2006.01) G06F 19/00 (2006.01) G06K 9/20 (2006.01) G07C 9/00 (2006.01)

Patent

CA 1093695

ABSTRACT OF THE DISCLOSURE Method for identifying a person comprises obtaining his ret- inal vasculature intercept pattern by causing the person's eye to become fixated, scanning the fixated eye with a light source arr- anged in a selected pattern, and detecting that portion of the light source pattern which is reflected off of the person's retina, there- by locating each intercept of the light source pattern with a blood vessel. The intercept pattern thus obtained is stored for future recall and comparison with a subsequently obtained pattern for verifying identirication of the person. The apparatus compri- ses a fixation light source for fixating the person's eye, a flying spot light source having 360 individual light-emitting diodes arr- anged in a dual concentric circular pattern and having a light source driver arranged for illuminating and then darkening each of the light-emitting diodes in a rapid sequential manner for scanning the eye, and a photodetector for detecting the reflected portion of tbe light source pattern. A digital computer activates the flying spot light source and the photodetector in synchronization, records and stores the intercept pattern thus obtained, and then compares the intercept pattern with a subsequently obtained pattern.

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