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Expired Canadian patentCanada

Training controller for pattern processing system

CA 1204869 A · Owner: Pattern Processing Technologies Inc. · Inventors: Werth, Larry J.; Paulson, Larry G.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A pattern processing system associates image input patterns with desired response codes The image input is stored in an image buffer as an addressable array of sample values. An address sequencer provides an address stream containing a plurality of interleaved sequences of addresses to the image buffer and to a read/write response memory. The next address of each sequence provided by the address sequencer is based upon the current address of that sequence and the state of the sample value stored in the image buffer at the location corresponding to the current address. Once the address sequencer repeates an address in a sequence, that address sequence is in a repetitive address loop as long …

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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 May 20, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 20, 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.
FiledFebruary 6, 1984
GrantedMay 20, 1986
Term endedMay 20, 2003
Patent numberCA 1204869 A
Classification (IPC)G06K9/62 +1 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedFeb 6, 1984Patent grantedMay 20, 1986Term endedMay 20, 2003

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.