Event recording and analysis in telecommunications networks
CA 2267254 A1 · Owner: Martin Communications Pty. Ltd. · Inventors: Martin, Andrew Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of recording events at stations (12) located at geographically separate locations across a large telecommunications network (10) is disclosed, together with event recorders (16) and a telecommunications system whereby the time-correlation of recorded events is greatly facilitated. Radio signals from an earth satellite system are used to generate precision time signals at each location and these time signals are used to time-stamp event locally recorded event data at each station (12). The recorded data and timestamped data from each station (12) may then be downloaded to a control centre (20) and automatically arranged in time sequence with a precision of about one …
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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 September 26, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 26, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 26, 2019.
- 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.