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Expired Canadian patentCanada

Method for operating a memory apparatus serving as a clock interface and an apparatus for carrying out the method

CA 1270574 C · Owner: Geiger, Gerhard · Inventors: Strafner, Michael; Geiger, Gerhard

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

Method for operating a memory apparatus including first, second and third memories which serves as a clock frequency, interface in transfer of at least one data packet includes buffer storing data for writing and reading the first and second partial memories; writing the data alternatingly with a first working clock frequency into the first and second partial memory; and reading-out alternatingly any one of the partial memories in response to an indication from a respective one of the partial memories that it is completely written or in response to an indication that and end-of-packet signal has been received by a respective one of the partial memories under control of a second working …

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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 June 19, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 2007.
  • 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 27, 1986
GrantedJune 19, 1990
Term endedJune 19, 2007
Patent numberCA 1270574 C
Classification (IPC)G06F5/06 +1 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedMarch 27, 1986Patent grantedJune 19, 1990Term endedJune 19, 2007

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