Power control methods and apparatus
CA 2730210 C · Owner: Signify North America Corporation · Inventors: Lys, Ihor A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Multiple lighting apparatus coupled together to form a lighting network in , which operating , power is efficiently provided throughout the network based on a distributed DC voltage or a , distributed AC voltage. Based on various power driver configurations each , lighting apparatus , incorporates one or more power drivers for one or more LED-based loads. In one example, a , controlled predetermined power is provided to a load without requiring any feedback information , from the load (i.e. without monitoring a load voltage and/or load current). In another example, a , "feed-forward" power driver for an LED-based light sources combines the functionality of a , DC-DC converter and a …
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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 March 14, 2005 and granted May 5, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 14, 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.