Patent ID: 7973498
Filing Date: 2011-07-05
Classification: H05B,Y02B

Abstract:
1. An illumination control system comprising: a plurality of lighting apparatuses connected to a communications line; and a number of functional units of plural kinds which function to detect information from ambient environments of the lighting apparatuses, wherein each lighting apparatus includes: a lamp; an illumination circuit for continuously or stepwisely changing a luminous flux of the lamp; a communication unit for sending or receiving a control signal including an operation instruction or a parameter to and from another lighting apparatus through the communications line; a control unit for controlling the illumination circuit based on the control signal and performing illumination control of the lamp; and a unit attaching part, wherein the functional units are detachably attached to the unit attaching parts of the lighting apparatus, wherein each lighting apparatus belongs to one or more of plural groups corresponding to the plural kinds of the functional units, the groups being operated based on information detected by the functional units, wherein a functional unit having a detecting function corresponding to an operation of each group is attached to each unit attaching part of at least one lighting apparatus of each group, and wherein each communication unit of the at least one lighting apparatus sends the control signal including information detected by the corresponding functional unit to another lighting apparatus in the same group.