Method of transmission and device to carry out said method
CA 2269788 C · Owner: Koslar, Manfred · Inventors: Ianelli, Zbigniew; Koslar, Manfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Transmission method in which angle-modulated pulses with temporally opposite angle, modulation are generated in the receiver during the duration of the pulse which, pulses are superimposed by means of a first superimposing element (8 9), in , each, case in pairs, into a folded pulse whereby the folded pulses transmitted to the, receiver, after a modulation process carry information impressed upon them, and these folded pulses are filtered at the receiver through two parallelconnected, complementary dispersion filters with frequency-dependent group delay characteristics, whereby the frequency-dependent group delay characteristics of the, two dispersion filters are matched to 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 November 3, 1997 and granted October 14, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 3, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 3, 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.