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Expired Canadian patentCanada

Automatic fingerprint identification system including processes and apparatus for matching fingerprints

CA 1317376 C · Owner: Vassy, Daniel · Inventors: Longepierre, Patrick; Larcher, Philippe; Vassy, Daniel

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention is an automatic method and related apparatus for identifying fingerprints by means of comparing the minutiae of each fingerprint in a data base of fingerprints with selected ones of precomputed vector images of search minutiae in a search print to be identified in order to, determine the existence or not of a fit between the minutiae of a file print and the preselected search minutiae images in, position and angle, a result of such comparison being a matching score indicating the probability of a match between the search print and one or more file prints the basis for, selection of such precomputed vector images being the identity between the angle of a file print minutiae and …

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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 May 4, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 4, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 13, 1988
GrantedMay 4, 1993
Term endedMay 4, 2010
Patent numberCA 1317376 C
Classification (IPC)B42D15/00 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedOct 13, 1988Patent grantedMay 4, 1993Term endedMay 4, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.