发明授权
US09066407B2 Power source unit for LED lamps, and LED lamp system 有权
LED灯具用电源单元及LED灯具系统

Power source unit for LED lamps, and LED lamp system
摘要:
A dedicated power source for LED lamps capable of reliably detecting attachment of an LED lamp is provided.A dedicated power source has a DC power source portion, and includes a lighting circuit which receives power supplied from the DC power source portion and light-controls an LED lamp including an LED element and a detection resistor connected in parallel to the LED element and an attachment detecting portion for detecting attachment of the LED lamp based on a voltage level changing in accordance with attachment/detachment of the detection resistor by attachment/detachment of the LED lamp.
公开/授权文献
信息查询
0/0