| 摘要 |
<p>PURPOSE:To enable a recording operation, etc., at high speed and to make plural drums capable of being rotationally driven by the minimum quantity of motors, in a magnetic recording and reproducing device using a rotary head device. CONSTITUTION:A rotary shaft 35 is provided in a 1st rotary drum D1 and a rotary shaft 36 is provided in a 2nd rotary drum D2. Pulleys 37, 38 provided with teeth are arranged in both rotary shafts 35, 36, and a belt 40 provided with teeth is put on the both pulleys 37, 38 with teeth. A driving power of motor M1 is transmitted to the belt with teeth from a pulley 39, and the both pulleys 37, 38 with teeth are driven by the belt 40 with teeth, then both rotary drums D1, D2 are synchronized and rotationally driven.</p> |
