| 摘要 |
A ceiling fan includes a plurality of fan blades radially secured to a motor shaft of a driving motor of the fan, each fan blade fixed with a holographic recording plate thereon pre-recorded with holograms of many sets of interference patterns of colorful decorative features within the recording plate, whereby upon a rotation of the fan blades as driven by the driving motor as being illuminated by a plurality of lamps, the patterns of color features recorded in each holographic recording plate will be observed with diversified color changes of the decorative features and superimposed decorative feaures with respect to a rotating angle as rotated by each fan blade, thereby enriching an optical decorative effect with simpler production, easier operation and minor maintenance problems of the fan.
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