| 摘要 |
PROBLEM TO BE SOLVED: To provide a display device capable of achieving high display effect, and also, facilitating installation of a supply tube. SOLUTION: The display device 100 includes: a floating device 10 for floating a plurality of display spheres with air; and an air compressor 20 for supplying the air to the floating device 10. The floating device 10 includes: a fixed support; a rotating plate having ejection holes to eject the air; a motor set on the fixed support for rotating the rotating plate; the supply tube for connecting the air compressor 20 and the ejection holes; an air adjusting valve 30 for adjusting the air amount to be supplied by the air compressor 20; a motor driver 40 for adjusting the rotating speed of the motor that rotates the top plate of the floating device 10; and a controller 50 for synchronously controlling the air adjusting valve 30 and the motor driver 40. COPYRIGHT: (C)2009,JPO&INPIT
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