| 摘要 |
An automatic advertisement device using a hologram is provided to reduce power consumption by displaying automatically three-dimensional advertising descriptions or pictures in all directions. An automatic advertisement device using a hologram includes a main body(20) and a fixing body(10). The main body is rotated at a constant speed in order to regenerate the hologram. The fixing body is used for fixing the main body at a constant position and for supplying electric power to the main body. The main body is used as a hologram regeneration unit for showing three-dimensional advertising descriptions or pictures. The main body includes a cylindrical photosensitive plate and a light source device(23). The main body further includes a control unit(22) for controlling the cylindrical photosensitive plate and the light source device and a motor(21) connected to the control unit.
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