| 摘要 |
PURPOSE:To read simultaneously plural pieces of information out of one information storage disk and to display them by arranging two information readers opposite a disk surface of one information storage disk. CONSTITUTION:Pickups 2 and 2' are provided facing the disk surface of the disk 1 and fixed to endless belts 4b and 4b', which are driven by motors 4a and 4a'. The pickups 3 and 3' are driven along the disk surface through guide rods 6 and 6'. Then, signals read by the pickups are demodulated, processes as specified, and D/A-converted and the resulting signals are supplied to two video display devices, so that different pieces of information from the disk 1 are displayed simultaneously. |
