| 摘要 |
<p>PURPOSE:To protest a DAT and a tape in an on-vehicle tape recorder by performing an unloading operation with another power source when an engine key is turned OFF and a power source in a vehicle is interrupted. CONSTITUTION:When the engine key is turned OFF, this is detected with a voltage detection circuit 11 and a control part 10 is operated and an unloading operation with an unloading drive circuit 12 is performed with a power supplied from a charged battery 4 for a desired time depending on the time constant circuit 6.</p> |
