Methods for transmitting a waveform having a controllable attenuation and propagation velocity
CA 2402166 C · Owner: Board Of Regents, The University Of Texas System · Inventors: Flake, Robert H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods for driving a lossy transmission media with an energy wave defined by a an exponential waveform function. The propagation delay and attenuation of the wave is a function of an exponential coefficient and its propagation , velocity is essentially constant and independent of displacement. Utilizing relationships between the propagation velocity exponential coefficient, attenuation, and transmission line parameters one may effectively model , various transmission media. One may also determine unknown transmission line parameters, waveform exponential coefficients attenuation, and/or propagation , velocities by utilizing those relationships. By modulating the exponential …
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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 March 2, 2001 and granted April 1, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 2, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 2, 2023.
- 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
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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.