| 摘要 |
PURPOSE:To make an angular moment of a rotary display board comparatively small, to reduce the burden of a rotation driving part, and to contrive the cost-down of a display device by miniaturizing the rotation driving part by providing a power source and driving control part except an intermittent driving part of a three- dimensional display device for bringing a stereoscopic image to three-dimensional display on the outside of the rotary display board. CONSTITUTION:In a case 11 covered with a transparent cover 11a of a three- dimensional display device 10, a rotating body 12 supported axially so as to be rotatable around a vertical axis O and a rotation driving device 15 for driving to rotate the rotating body 12 around the axis O are contained. Based on a signal from this device 15, data of a light emission pattern is read out of a display recording part by an operation of an intermittent driving part by a driving control part. Also, in the upper part of a disk part 16 placed in the vicinity of the upper edge of the case 11, two pieces of moving vane-like display boards 17, 18 are provided on the rotating body 12 against a rotation axis 12a. Moreover, on each display surface 17a - 17b of the display boards 17, 18, a pair of optical position sensors 19, 20 are placed, and along a rotational track of the sensors 19, 20, a ring-like plate 21 is placed so as to be opposed thereto. |
