Method and apparatus for communicating message signals in a load control system
CA 2611576 C · Owner: Lutron Technology Company Llc · Inventors: Steiner, James P.; Dobbins, Aaron; Blair, Edward J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for independent control of electric motors and electric lights includes a plurality of , two-wire wallstations coupled in series via power wires between an alternatingcurrent (AC) , source and a light/motor control unit. The light/motor control unit is preferably located in the , same enclosure as an electric motor and an electric light and has two outputs for independent , control of the motor and the light. The light/motor unit and the wallstations each include a , controller and a communication circuit that is coupled to the power wiring via a communication , transformer and communicate with each other using a loop current carrier technique. The , light/motor control unit …
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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 June 6, 2006 and granted August 6, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 6, 2026.
- 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
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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.