A method for assembling a lamp fixture incorporates a ballast and a compact gas discharge lamp into the fixture. A comparator circuit, clamp circuit, and control circuit are assembled into the ballast such that the comparator circuit compares a measured value of a lamp parameter to a threshold value...http://www.google.fr/patents/US7830093?utm_source=gb-gplus-shareBrevet US7830093 - System and method for reducing flicker of compact gas discharge lamps at low lamp light output level
System and method for reducing flicker of compact gas discharge lamps at low ...
