Automatic classification and/or counting system
CA 2448452 A1 · Owner: Central Research Laboratories Limited · Inventors: Yin, Jia Hong
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides a system for automatically classifying and counting people, such as supermarket customers, and associated objects such as shopping trolleys; a principal objective being to provide operators of such establishments with the ability to automatically differentiate between certain predetermined categories of customer, thus permitting correlation between customer categories and their respective shopping habits. Typical categories include customers using (or not using) trolleys; those shopping alone or in groups; those with children; children alone and male and female customers. The invention uses one or more video cameras to view an area traversed by the customers …
Read the whole patent
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 May 23, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 23, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 23, 2024.
- 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.