Method for detecting addressing errors in an electrical unit
CA 2123192 A1 · Owner: Schutz, Hartmut · Inventors: Barthel, Herbert; Schutz, Hartmut; Daar, Horst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a method for detecting addressing errors in an electrical unit. The electrical unit may e.g. include a central processing unit and modules that respond to the central processing unit via a communication system by means of addresses specific to the modules. Addressing errors caused by faulty modules can be detected. For at least a portion of the accesses made by the central processing unit on one of the modules, an identifier is transmitted from the addressed module to the central processing unit. The identifier transmitted to the central processing unit is compared to a reference identifier. Addressing errors are recognized when the transmitted identifier …
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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 May 9, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 9, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 9, 2016.
- 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.