Methods and apparatus for discriminating between true and false coins or the like
CA 2052304 C · Owner: Kabushiki Kaisha Nippon Conlux · Inventors: Furuya, Yonezo; Fukuda, Ichiro; Sugimoto, Osamu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a method and apparatus for discriminating between true and false coins wherein a coin satisfying both the electrical success conditions at their lowest levels is regarded as a false coin and a, coin satisfying at least one of the two electrical success conditions at a high level is regarded as a true coin. A method of discriminating between true and false coins or the like by mounting a discriminating means relative to a predetermined passage along which a coin or the like to be discriminated passes wherein, true/false discrimination is carried out in accordance with whether or not the two or three different data detected from the coin and developed on a two- or …
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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 September 26, 1991 and granted April 1, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 26, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 26, 2013.
- 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.