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Expired Canadian patentCanada

Method and apparatus for addressing a memory by array transformations

CA 1264093 C · Owner: Siu, Sun-Chi · Inventors: Siu, Sun-Chi; Deerfield, Alan J.

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Abstract From the Canadian patent

A memory having an address generator in an intelligent port which generates address sequences specified by an array transformation operator in a programmable processor thereby, allowing a controlling processor to proceed immediately to the preparation of the next instruction in parallel with memory execution of a present instruction. The intelligent port of the memory creates complex data structures from input data arrays stored in memory and directs the transformation of the data structures into output data streams. The memory comprises a plurality of read-write memory banks and a bank of read-only memory interconnected through intelligent ports and busses to other units of the processor. …

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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 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 27, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 19, 1986
GrantedDecember 27, 1989
Term endedDecember 27, 2006
Patent numberCA 1264093 C
Classification (IPC)G06F12/02 +1 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedMarch 19, 1986Patent grantedDec 27, 1989Term endedDec 27, 2006

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