Patent ID: 6693395
Filing Date: 2004-02-17
Classification: H05B,Y10S

Abstract:
The A system of at least one of on/off switching and dimming for at least one electronic ballast for at least one lamp, of at least one lighting fixture, said system comprising said at least one ballast having power electronics, said system further having a remote switch function in said at least one ballast, said remote switch function remotely located apart from said ballast, said remote switch function operating with a low amount of control current and little power loss, said system of at least one of on/off switching and dimming further comprising at least one connection connecting said remotely located switch to a ballast resident opto-isolator circuit with associated interfacing electronics within said at least one ballast, said at least one ballast providing high electrical isolation between an external switch function and said ballast power electronics to each said lamp;said system of at least one of on/off switching and dimming further comprising a plurality of lead wires connecting said remote switch, a low current power source, and a light emitting diode (LED) at an input of said isolator circuit.