Systems and methods for identifying emergency calls in radiocommunication systems
CA 2288090 A1 · Owner: Raith, Alex K. · Inventors: Raith, Alex K.; Diachina, John; Bottomley, Gregory E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The handling of emergency calls, e.g. 911 calls should be performed on an , expedited basis. In radiocommunication systems knowledge by the mobile unit , that an emergency call is being placed can be used to expedite and optimize emergency call handling. Various techniques are described herein to identify emergency calls when placed by a mobile user. Moreover the provision of , auxiliary alarm functions for the mobile unit are also described.
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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 April 6, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 6, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 6, 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.