Call re-connection system in mobile communication
CA 2074901 A1 · Owner: Kito, Eiji · Inventors: Kito, Eiji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a call re-connection system for use in mobile communication which is applicable to portable telephones and automobile telephones. In the call re-connection system, a call is automatically re-connected after speech communication is disconnected due to radio channel abnormality. A mobile station has a storage means for storing a telephone number at a calling party which is contained in a call connection signal a, detection means for detecting restoration of a radio channel to a normal state and an outgoing call means for generating an outgoing call on the basis of the telephone number of the calling party. A call is reconnected on the basis of the telephone number of the …
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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 July 29, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 29, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 29, 2014.
- 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.