Rf amplifier with signal-level control, and radio transmitter equipped therewith
CA 2121018 A1 · Owner: Hoen, Gunther · Inventors: Haberland, Bernd; Wolfle, Ralf; Hoen, Gunther
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, RF Amplifier with Signal-Level Control and Radio Transmitter Equipped Therewith An RF power amplifier is known which has a digital feedback control system for generating uniform RF pulses following each other successively in time. Also known is an RF amplifier for a TDMA radio signal whose power level changes from time interval to time interval. The object of the invention is to design a stably controlled RF amplifier for controlling the level characteristic of an RF signal, particularly a TDMA radio signal, whose desired-level characteristic is predetermined anew from one time interval to the next. The novel RF amplifier (PA) has a control circuit (CC) which controls a change of …
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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 11, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 2016.
- 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.