Method and apparatus for identifying objects such as bottles
CA 1161516 A · Owner: Supermarket Systems · Inventors: Leser, Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An object such as a bottle to be identified by its shape is made to travel between a source and an elongated radiation receiver in a direction radiation receiver in a direction oblique relative to the travelling direction of the object so as to define, during the travelling positions, in which said receiver presents a segment the points of which, are at least partly occluded by the object flanked by first, and second segments (X and Z) not occluded. The length variations of at least two of the three segments of said receiver are read out for obtaining a characteristic relation of the object shape. Parameters of this relation are compared with corresponding parameters of characteristic …
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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 January 31, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 31, 2001.
- 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.