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Expired Canadian patentCanada

Method and system for the iterative and simultaneous comparison of data with a group of reference data items

CA 1061908 A · Owner: Etablissement Public Dit: Agence Nationale De Valorisation De La Recherc He A.N.V.A.R. · Inventors: Suchard, Jean F.; Vidalin, Jacques M.; Quang, Hong H.

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Abstract From the Canadian patent

This concerns a method and system for the iterative and simultaneous comparison of data with a group of reference data items. The reference data items are recorded in the form of logical entities in a two dimensional memory table, one entity per column each, line containing data elements of the same order of each reference entity. The elements of the data to be recognized are compared in parallel and successively with those contained in the lines of the table according, to a first function provided by an operator unit. Each time, the results of a comparison are combined with the results already obtained according to a second function provided by a second operator unit, the result of the …

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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 September 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 4, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedSeptember 4, 1979
Term endedSeptember 4, 1996
Patent numberCA 1061908 A
Classification (IPC)G06F7/02 +1 more

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