Nonlinear distortion compensation power amplifier
CA 2421773 A1 · Owner: Japan Science And Technology Corporation · Inventors: Akaiwa, Yoshihiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nonlinear distortion compensation power amplifier wherein a gain adjustment circuit (4) for gain adjustment control is provided to maintain the overall gain of the nonlinear distortion compensation power amplifier comprising a power amplifier (5) always to a constant value a control circuit (8) , determines most suitably the pattern of the amount of distortion corresponding to the instantaneous value of the input signal given to a distortion signal generating circuit (3) so that the distortion signal generating circuit (3) can generate such a distortion signal that the power of the unnecessary out-ofband signal component of the output signal of the power amplifier (5) may be …
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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 19, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 19, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 19, 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
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.