Method of recovering a flight critical computer after a radiation event
CA 2440887 A1 · Owner: Honeywell International Inc. · Inventors: Liu, Chung-Yu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for recovering a real-time computer system by running (steps 33-34) multiple versions of an operational program including multiple data partitions are described wherein each of the multiple data partitions is associated with one version of the operational program and wherein one of the versions of the operational program is a "controller" program and the other versions are "identity observer" programs. When the controller memory partition is damaged (step 35) the damaged memory is overwritten (step 37) with fault-free data.
Read the whole patent
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 March 12, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 12, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.