Lighting string controller with universal power input

Details Lighting string controller with universal power input Lighting string controller with universal power input

H - Electricity

05

B

H05B 37/02 (2006.01) F21S 4/00 (2006.01) H02M 7/06 (2006.01)

Patent

CA 2611034

A lighting string controller includes a power supply circuit that converts an alternate current (AC) input into a direct current (DC) output and includes an impedance buck circuit for expanding the applicable voltage range of the AC input and supplying a stable DC power to a display control circuit, a drive circuit and at least one lighting string. The display control circuit operates the lighting string through the drive circuit and the display control circuit controls time period within which the lighting string is in full lighting condition to allow a lighting string that is of a high power consumption to fully light in a short period of time. The display control circuit also functions to control operation modes of the lighting string, including lighting ON/OFF, interrupted lighting, gradually brightening/dimming, cyclic lighting, and alternating loop flashing, and can be controlled by a control switch or a remote control to switch among the operation modes. As such, a lighting string controller that is free of transformer and that is compact is size is realized.

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