Apparatus for the classification of a pattern for example on a banknote or a coin
CA 2088349 A1 · Owner: Landis & Gyr Business Support Ag · Inventors: Voser, Christian; Baudat, Gaston
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for the classification of a pattern in particular, on a banknote or a coin has a receiving system for detecting by a measurement procedure vectors of a test item a pre-processing system, for transformation of the measured vectors into local feature vectors ALCi(1) and a learning classification system (8) for carrying out a plurality of testing operations. A first activity (14) compares in a first testing operation each of the local feature vectors ALCi(1) to a vectorial reference value. It is only if the first testing operation takes place successfully that the first activity by means of first, estimates which are stored in a data base links the local feature, vectors ALC(1) to …
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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 January 28, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 28, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 28, 2015.
- 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.