Finger profile identification system
CA 2050893 A1 · Owner: Potter, Nathan D. · Inventors: Potter, Nathan D.; Perelman-Hall, David K.; Jerison, Andrew D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of and apparatus for verifying the identity of an individual is based on the profile of a hand print. A set of reference data is created by viewing (9, 10) an individual's hand and determining the location of the edges of each finger separately to generate a set of finger profiles, establishing a central axis for each finger profile by reference to the edges thereof rotating, the central axis of each finger profile until it is normal to a reference line, determining the width of each finger profile at predetermined locations parallel to said reference line and, recording said finger profile information in a memory such as an ID card. Thereafter a candidate's finger profile can …
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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
- Filed April 11, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 2012.
- 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
Timeline From CIPO dates
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.