| 摘要 |
<p>PURPOSE:To make the device thin and light, by giving a tape end detecting signal via a mode changeover switch to an electromagnet means storing fast feed, rewinding and reproducing state and to a power assisting means making reproduction or direction changeover. CONSTITUTION:When a power supply switch (S)3 is turned on, a motor 2 is driven and a capacitor C12 starts charging because a power assisting start S1 is turned on, and a power assisting operation solenoid SC is absorbed only for charging time. Simultaneously, since the electromagnet EM continues absorption, the repreduction state is kept. Next, when a manual program S2 turns on, the solenoid SC is absorbed for direction change. Hall elements H1 and H2 are connected to an IC113 via switch S4 and normally, on-state is outputted, but when the rotation stops at the tape end, on/off pulses are outputted. When a mode switch S5 is at fast feed and rewinding, the locking is released via the electromagnet EM, and the direction is changed via the solenoid SC when PLAY state is made.</p> |
