| 摘要 |
<p>The controller contains a lever which acts on the programmable switch and at least one drum which is mounted opposite a fixed reading mark and which is used as a clock. The drum is fitted with a series of controlling pins, each of them being able to act upon the lever to operate the switch. Each of these pins has, on the drum, two positions, one active and one inactive position. In this controller, the zone of the lever upon which a controlling pin can act when in the active position is located opposite the fixed reading mark.</p> |
