RAINBOW TECHNOLOGY INC.,
RAINBOW TECHNOLOGY INC., Patent applications | ||
Patent application number | Title | Published |
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20100065039 | SUN TRACING DEVICE - A sun tracing device includes a power unit having an elevating element, a supporting plate carrying a photoelectric transformation unit, and an adjusting unit coupled to the power unit and the supporting plate. The power unit is used to lift/lower the adjusting unit, so that the adjusting unit can rotate and/or lift/lower the supporting plate. | 03-18-2010 |