| 摘要 |
<p>The control instrument is for a positive slide projector, where the projected image can be introduced, removed or transferred to a different projected image progressively. It consists of a control unit (5) and a removal unit (6). The control unit is equipped with push-buttons (3) to enable each function to carried out separately. The pushbuttons generate binary pulses, which are processed via a pre-programmed unit which forms part of the removal unit. The preprogrammed unit exchanges data with a stacking memory (13).</p> |
