Method and device for transmitting information through a power distribution network
CA 2570691 C · Owner: Bertrand, Paul · Inventors: Bertrand, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for transmitting a predetermined pulse sequence (I1 I2, I3) on a power distribution network (3) transmitting a determined voltage (Uac) wherein the pulses are embodied in the form of high-frequency interfering pulses naturally transmitted by an electric element (1) which is connected to the distribution network by a switch (2) controllable by a control signal (CS) in such a way that said high-frequency interfering pulses are transmitted at the control signal rate. In one embodiment the control signal is used as a data carrier in such a way that the data carrying high-frequency interfering pulses are transmitted at the control signal rate.
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 June 20, 2005 and granted November 26, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 20, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.