Patent ID: 6873121
Filing Date: 2005-03-29
Classification: H02M,H05B,Y10S

Abstract:
1. A gas discharge lighting system comprising: one or more gas discharge lighting devices; an AC source of input power; an electronic ballasting circuit having a regulated direct current requirement coupled between said one or more gas discharge lighting devices and said AC source of input power comprising: an alternating-to-direct current conversion means; a power regulator connected to said alternating-to-direct current conversion means for converting its output to said regulated direct current required to operate said ballasting circuit; a controllable output direct current to alternating current inverter for generating with a substantially square wave output at a frequency above that of audible sound; an impedance network interposed between said inverter and said one or more gas discharge lighting devices comprising at least one resonating inductor and one capacitor to modify the substantially square wave output of said inverter to provide a proper operation of said one or more gas discharge lighting devices; and a controlling device for controlling said inverter and thus, via said impedance network, thereby providing an amount of power delivered to said one or more gas discharge lighting devices; wherein there is a connection from said AC source of input power to said controlling device to detect and decode signals on said AC source of input power to adjust the operation of said discharge lighting system, and wherein said connection between said AC source of input power and said controlling device allows said controlling device to monitor if a portion of said AC source of input power is missing and said controlling device adjusts the output to said one or more gas discharge devices based upon the missing portion source of input power.