78240804
Apr 22, 2003
Sep 12, 2006
DC/DC electronic power supplies; DC/DC electronic power converters; DC/DC electronic power systems consisting of electronic power converters, electrical controllers, power supplies, point-of-load regulators; semiconductor devices; integrated circuits; computer software and firmware for monitoring and operating DC/DC electronic power supplies, DC/DC electronic power converters, and DC/DC electronic power systems
Electrical and Scientific Apparatus