| 摘要 |
There is provided a magnetic tape drive capable of attaining a stable read-out output value of information even if a tracking displacement occurs. The magnetic tape drive of the present invention is a magnetic tape drive for 36-track comprising a magnetic tape 1a having a width of +E,fra 1/2+EE inch and having information written therein by an 18-track magnetic tape drive, a plurality of magnetic heads 2, 3 for performing a reading of information of each of the tracks in the magnetic tape 1a and a control section 9 for controlling a writing or reading operation for information from the magnetic heads 2, 3, wherein as the magnetic heads, each of the forward reading head 2 and the reverse reading head 3 is installed in correspondence with each of the tracks of the magnetic tape 1a. In addition, the control section 9 has a magnetic head selecting function for selecting either the forward reading head 2 or the reverse reading head 3 for reading information in response to a relation of values in outputs of the mutual corresponding magnetic heads 2, 3.
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