Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupled to A.C. power circuits that are...http://www.google.fr/patents/US7038399?utm_source=gb-gplus-shareBrevet US7038399 - Methods and apparatus for providing power to lighting devices
Methods and apparatus for providing power to lighting devices
