| 摘要 |
PURPOSE: To provide a playing machine which can conduct the maintenance of interest always in a fresh state by making the change of a picture pattern dynamic by adopting magnetic inversion display members at a portion constituting the display instrument of a display device. CONSTITUTION: A display device 100 constitutes a display instrument 10 by arranging in a matrix state a number of magnetic inversion display members 20 each of which possesses a disk 21 that has a display surface 21a and a non- display surface and in which magnetism is made to remain; a rotary shaft 22 to support this disk 21 rotatably; and a stator pin 23 whose tip portions of both are positioned in a direction that meets at right angles with the rotary shaft 22 and are magnetized by means of a pulse current. |
