Process and apparatus for the identification of objects
CA 1203313 A · Owner: Scantron Gmbh & Co. · Inventors: Wevelsiep, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract. A method and apparatus for omnidirectional reading of data fields is provided. Such data fields contain at least one data track containing contrasting printed indicia and a PIC pattern. The PIC pattern indicates the position and orientation of the data tracks. The data field appears at an image window which is scanned by an opto-electronic scanner operating in a point raster scan and individual raster point signals are generated which correspond to the light/dark values of the original image. The signals are stored as a corresponding image arranged in row and column form. A search raster then probes the stored image in a sequence of rows, but the rows of the search raster scan the …
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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 April 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 2003.
- 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.