Method of reducing blockages in handing over calls in a mobile, cellular telephone system
CA 1318355 C · Owner: Persson, Bengt Yngve · Inventors: Uddenfeldt, Jan-Erik; Raith, Alex Krister; Persson, Bengt Yngve
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of reducing blockages and call interruption in handing over calls in a cellular mobile radio system. When the signal strength from a base station to a mobile and vice versa falls below a given value the handover shall take place toanother base station. In order that the call will not be interrupted a smaller, number of channels are reserved so-called rescue channels, from the ordinary channels in the system. The rescue channels can be fixed or dynamic for a given base station.
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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
- Granted May 25, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 25, 2010.
- 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.