Distributed lighting control system
CA 2425582 A1 · Owner: Home Touch Lighting Systems Llc · Inventors: Heagey, Robert C.; Deller, Robert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lighting system (8) includes a plurality of control modules distributed on the AC power line for remote control of lights within a residential/office building structure. Each control module is hard-wired to an electrical load and is provided with a dimmer (28) and up to four control switches and LEDs (42) for status indication. Each control module (10) has a data decoder (20) a switch and LED interface (24), a dimmer driver (22) and processor (16) with memory (18) for independently processing and communicating data signals to the other control modules on the AC power line without the need for a central processor to coordinate the lighting control operation. Every control module is …
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 October 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 26, 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.