| 摘要 |
<p>The reproducer is for slide cassettes, which contain projection slides together with a magnetic tape, with a drive mechanism for the tape and a reproducing head, together with switching facilities for the insertion and removal of the cassette. The switch mechanism may consist of a trigger projecting into the space of the instrument intended to house the cassette so than when the latter is inserted the tape drive is engaged and the movement of the trigger starts the projection and reproduction equipments.</p> |
