A multi-modulation transmitting method
CA 2527633 A1 · Owner: Liang, Dequn · Inventors: Liang, Dequn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multi-modulation transmitting method which combines a plurality of independent sine waves into a composite wave which is a non-orthogonal multimodulation symbol, wherein each of said independent sine waves is referred to as sub-wave, the amplitude, frequency and phase of said independent sine wave can be any value within the value range thereof and each of said independent , sine waves are non-orthogonal to each other; the composite wave is multi-point sampled; each sub-waves of said non-orthogonal multi~modulation symbol are decomposed in order to realize data communication. It can improve the frequency utilization and signal~noise ratio greatly which can in turn , increase 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 April 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 2025.
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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.