| 摘要 |
PURPOSE:To enable the wireless control of the brightness of lighting fittings, by only replacing a conventional rectangular ceiling hanger body by a newly invented rectangular ceiling hanger body. CONSTITUTION:A control signal receiving element 8 is attached to a side wall of a rectangular ceiling hanger body 3, and a control circuit 4 to be controlled by control signals from the receiving element 8 is provided in the hanger body 3, and a lighting fitting 12 is connected to a power cord 7 through the control circuit 4. |
