Emergency resumption processing apparatus for an information processing system
CA 2027770 A1 · Owner: Yoshioka, Atsushi · Inventors: Takida, Masatoshi; Yoshioka, Atsushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A program pattern writing part established within a central processing unit writes a program pattern that causes a watchdog timer to make an overflow action in the loading area of the emergency resumption processing program on the main memory device. An emergency resumption processing program loading part established within the same central processing unit reads the emergency resumption processing program from an external memory device after above the writing processing are completed, and loads it on the main memory device by rewriting the program pattern written by the program pattern writing part. As a result if a fault arises in the transmission function of the emergency resumption …
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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
- Filed October 16, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 16, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 2012.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.