Method for protecting a communications facility against unauthorized access
CA 2254093 A1 · Owner: Lietha, Peter · Inventors: Stierli, Rene; Stirnimann, Erich; Lietha, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for preventing unauthorized access to operating information stored in functional units (SLMY MUX, EG) of a , communications facility which information can be transmitted to said units for configuration purposes from a system management unit (SM) via data links. To this end a password corresponding to the access authorization is entered into the system management unit (SM). Every time the facility is started an address characterizing the system management unit (SM) is transmitted to at least one of the functional units (SLMY) of the facility. Said functional unit (SLMY) establishes a link with the system management unit (SM) by means of said address, …
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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 March 11, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 11, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 11, 2020.
- 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.