Patent ID: 9332618
Filing Date: 2016-05-03
CPC Classification: F21K,F21V,F21Y,H01L,H05B,Y02B

Claim Text:
1. An illuminator comprising: a light source; a touchless sensor for non-contact detection of approach or movement of a detection target in a range of a detection distance; a control unit for an ON/OFF control of the light source based on an output from the touchless sensor; and an enabling unit connected to the control unit, wherein the control unit includes a data memory for storage of threshold value that defines the detection distance, and reflected-light intensity information regarding a reflected light coming from the detection target to the touchless sensor, the control unit has a normal mode and an adjustment mode, the control unit performs the ON/OFF control in the normal mode, and the control unit adjusts in the adjustment mode the threshold value stored in the data memory, and the enabling unit switches the normal mode and the adjustment mode.