F - Mech Eng,Light,Heat,Weapons – 21 – S
Patent
F - Mech Eng,Light,Heat,Weapons
21
S
F21S 4/00 (2006.01) H05B 37/00 (2006.01)
Patent
CA 2631975
A Christmas light string includes a plug; a first positive wire; a first negative wire together with the first positive wire and the plug forming a circuit; incandescent light bulbs connected together along the first positive wire and the first negative wire to form a first loop; a rectifier having a positive input connected to the first incandescent light bulb via a second positive wire and a negative input connected to the last incandescent light bulb via a second negative wire respectively; an end enlargement connected to the positive input of the rectifier via the second positive wire and the negative input of the rectifier via the second negative wire respectively; and LED bulbs forming a second loop between a positive output and a negative output of the rectifier. An optimum illumination is rendered by mixing cold light with warm light.
Chang Chen-Hsien
Chang Chen-Tao
Chang Cheng-Fen
Chang Chu-Cheng
Battison Williams Dupuis
Chang Chen-Hsien
Chang Chen-Tao
Chang Cheng-Fen
Chang Chu-Cheng
LandOfFree
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