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Expired Canadian patentCanada

Binary tree multiprocessor

CA 1293063 C · Owner: Gorin, Allen Louis · Inventors: Makofsky, Patrick Anthony; Shively, Richard Robert; Lewine, Robert Norman

CIPO record

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Abstract From the Canadian patent

Abstract A binary tree multiprocessing array of plural signal processing elements, and having input/output for the array entirely through a root one of the processing elements, includes in each processing element thereof a hardware pipelined, floating point, multiply/accumulate processing function for cooperating with a processing element memory and a processing element input/output processing function to perform signal pattern matching of input digital signal sequences provided to and/or through the root processing element with respect toat least one digital signal sequence pattern stored in the memory.

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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 December 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 10, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 7, 1987
GrantedDecember 10, 1991
Term endedDecember 10, 2008
Patent numberCA 1293063 C
Classification (IPC)G06F15/16 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedDec 7, 1987Patent grantedDec 10, 1991Term endedDec 10, 2008

Sources & verification

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