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Expired Canadian patentCanada

High performance memory utilizing pipelining techniques

CA 1233259 A · Owner: International Business Machines Corporation · Inventors: Iannucci, Robert A.

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Abstract From the Canadian patent

A novel memory system is disclosed which utilizes pipelining techniques to read data from a memory array and to write data to a memory array. More data may be read from the novel memory system within a, unit of time, relative to the amount of data which may be read from a conventional memory system during the unit of time. The novel memory system comprises a plurality of standard elements which include a memory array, including a plurality of rows and columns, a row decoder, a row driver, column sense amplifiers, and a column multiplexer. However the, novel memory system further includes latch circuits interposed between the row decoder and the row driver, between the row driver and 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 February 23, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 20, 1985
GrantedFebruary 23, 1988
Term endedFebruary 23, 2005
Patent numberCA 1233259 A
Classification (IPC)G11C7/00 +2 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedSep 20, 1985Patent grantedFeb 23, 1988Term endedFeb 23, 2005

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