| 主权项 |
1. A track lighting system comprising:
an elongate track suitable for attachment to a support surface, said track including a plurality of longitudinal guideways and means for supporting a plurality of light fixtures selected from a group consisting of LED, incandescent, quartz halogen, compact fluorescent (CFL), high intensity discharge (HID) and ultra-violet (UV) luminaires; a plurality of current conductors arranged in at least some of said longitudinal guideways, at least a first number of conductors being power conductors and a second number of conductors being data conductors, said conductors being electrically isolated from each other; adapter means connected to a source of power for applying electrical power to said power conductors and connected to a source of control data for applying data signals to said data conductors; at least one light fixture being a luminaire responsive to a dimming control voltage; and data converter means for converting data on said data lines to dimming control signals for selectively dimming said at least one light fixture; and a housing between said adaptor means and a light fixture for housing at least said data converter means. |
