System and method for implementing multiple home location registers for a single mobile station in a cellular telecommunications network
CA 2255949 A1 · Owner: Telefonaktiebolaget Lm Ericsson · Inventors: Foti, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a cellular telecommunication network utilizing home location registers for completion of calls to and from a mobile station (60) a system and method is , disclosed for loading and accessing database information relating to the mobile station, and completing calls to the mobile station while roaming in a visited foreign network without incurring long distance charges. The radio telecommunication system includes a mobile station (60) having a mobile subscriber number (MSNB) and a first subscriber number (SNB) a home network , (110) having a mobile switching center (MSC) (114) and a first home location register (HLR) (112) which maintains database information relating to the mobile …
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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 16, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 16, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 16, 2019.
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Timeline
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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.