Digital frame for radio-relay station
CA 2312344 A1 · Owner: Sagem Sa · Inventors: Force, Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a radio-relay station made compatible with any selected group among groups of plesiochronous signals with multiplexer so as to include in the station programmable circuits common to the groups. independently of the signal speed resulting from multiplexing. A frame with a structure independent of the speed is formed by constituting groups of plesiochronous signals (SE1, SE2, SE3) with substantially whole mutually multiple speeds (DE1, DE2, DE3), selecting a group, multiplexing the signals in the selected group into a multiplex signal (SMk), the speeds of the multiplex signals being whole mutually multiple, distributing the multiplex signal bits in a field of …
Read the whole patent
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 November 13, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 13, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 13, 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.