Method and apparatus for improved coin, bill and other currency acceptance and slug or counterfeit rejection
CA 2069875 C · Owner: Mars, Inc. · Inventors: Vaks, Jeffrey E.; Dobbins, Bob M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and validation apparatus for achieving improved acceptance and rejection for coins bills and other currency, items. One aspect includes modifying item acceptance criteria by creating and defining three-dimensional acceptance clusters (CA, CB, CC), the data for which are stored in look-up tables in memory associated with a microprocessor (35). A second aspect involves fraud prevention by temporarily tightening or readjusting item acceptance criteria when a potential fraud attempt is detected. A third aspect relates to minimizing the effects of counterfeit items such as slugs on the self-adjustment process for the item acceptance criteria. A final aspect relates to calculation of a …
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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 October 9, 1991 and granted April 21, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 9, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 9, 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
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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.