| 摘要 |
PURPOSE:To improve the utilization efficiency of a magnetic tape more by adjusting the write time in the tape sliding contact time of a magnetic head and thus setting a recording aera of two bands on the magnetic tape. CONSTITUTION:When signals are recorded in the recording area 11 of the magnetic tape 10, the tape is run in a direction A1 and write control pulses (b) are generated to supply signals to magnetic heads AM and BM. Consequently, recording tracks 11Aare formed in the recording area 11 by the heads AM and BM alternately. When the magnetic tape 10 travels as shown by an arrow B1, signals are written in a recording area 12, but write control pulses for selecting times t5 and t7 are generated. In this case, the rotating direction of a rotary magnetic head is invariably fixed, but the rotating direction is switched to the opposite direction of the recording of the recording area 11 when the recording of therecording area 12 is performed, and then track length L1 is equal to L2. Thus, the utilization efficiency of the magnetic tape is improved more. |
