| 摘要 |
<p>Machine has (a) measuring devices for registering the position of a movable plate, and for producing a proportional signal; (b) input devices for adjusting a desired position from the control signal; (c) logic devices for comparing the output of the devices (a) with the adjustment of the devices (b) and for producing a suitable control signal when the previously defined position is reached, and (d) switch devices which respond to the control signal for controlling the movement of the plate so that it is positioned in correspondence with the input adjustment.</p> |
