Magnetic tape having multiple tracks and recording apparatus...

Details Magnetic tape having multiple tracks and recording apparatus... Magnetic tape having multiple tracks and recording apparatus...

G - Physics

11

B

352/12, 352/19

G11B 5/09 (2006.01) G11B 5/008 (2006.01) G11B 5/035 (2006.01) G11B 20/10 (2006.01)

Patent

CA 1210146

ABSTRACT OF THE DISCLOSURE A magnetic tape is simultaneously recorded with digital signals on one or a plurality of forward recording tracks and reverse recording tracks thereon as the tape travels in a predetermined direction. The digital signals are reproduced from the forward recording tracks when the tape travels in a direction from one end to another end thereof, and the digital signals are reproduced from the reverse recording tracks when the tape travels in a direction from the other end to the one end thereof. The digital signals are recorded with the phase of the digital signals which are recorded on the forward or reverse recording tracks, relatively advanced with respect to the phase of the digital signals which are recorded on the reverse or forward recording tracks, so that solitary reproduced waveforms which are reproduced from the forward and reverse recording tracks respectively have substantially the same assymmetry of zeros or the same symmetry of zeros. The first recording tracks are scanned upon reproduction in a direction opposite to the predetermined direction in which the tape traveled upon recording, and the second recording tracks are scanned upon reproduction in a direction which is the same as the predetermined direction in which the tape traveled upon recording.

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