Apparatus and method for identifying individuals through their retinal vasculature patterns
CA 1093695 A · Owner: Hill, Robert B. · Inventors: Hill, Robert B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method for identifying a person comprises obtaining his retinal vasculature intercept pattern by causing the person's eye to become fixated, scanning the fixated eye with a light source arranged 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 comprises a fixation light source for fixating the person's eye a flying, spot light source having 360 individual …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 13, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.