Improvements relating to eer transmitters
CA 2385948 A1 · Owner: Tait Electronics Limited · Inventors: Mann, Stephen Ian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Amplification systems based on EER techniques generally using digital methods , to determine envelope and phase information. Cartesian or predistortion feedback is preferably used to improve a range of characteristics. Envelope modulation may be implemented in various ways such as a sigma delta modulator. Phase modulation may also be implemented in various ways such as a fractional N phase lock loop.
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 September 29, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 29, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 2022.
- 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.