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Expired Canadian patentCanada

System for adjusting performance of information processing apparatus

CA 1249373 A · Owner: Fujitsu Limited · Inventors: Kitamura, Toshiaki; Oinaga, Yuji; Shimizu, Kazuyuki

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Abstract From the Canadian patent

A system for adjusting a performance of an information processing apparatus which provides a unit indicating a target performance value, a unit generating a corresponding performance control pulse in accordance with the target performance value, and a execution control unit which alternately sets an execution period and an execution inhibiting period in accordance with the performance control pulse. The unit which generates the performance control pulse makes a ratio of a pulse width and a pulse period of the performance control pulse coincide with the target performance value.

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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 January 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 24, 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
GrantedJanuary 24, 1989
Term endedJanuary 24, 2006
Patent numberCA 1249373 A
Classification (IPC)G06F5/06 +1 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedMarch 19, 1986Patent grantedJan 24, 1989Term endedJan 24, 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.