| 摘要 |
<p>PURPOSE:To make it safe to put a tape recorder into operation by moving a head table backward by a common lock plate which turns through the operations of release plungers in case that fast winding and rewinding come into effect. CONSTITUTION:To give fast winding and rewinding to a tape recording to effect, common lock plate 22 is turned through the operations of release plungers 14 and 15 to move head table 24 beckward. In the beginning of the fast winding and rewinding, release plungers 14 and 15 are both excited to obtain force large enough to turn lock plate 22 and then either of release plungers only is held in an excited state, so that the fast winding or rewinding will be carried out.</p> |
