Magnetic recording and reproducing device
AssigneeSony Corporation
InventorToshio Kano
Life of this patent
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Abstract
In a magnetic recording and reproducing device having a 1ch head and a 2ch head, an azimuth recording operation is carried out on an obliquely evaporated magnetic tape. Angles θ1 and θ2 formed by a direction of a head azimuth of the 1ch head and the 2ch head and a longitudinal direction of the magnetic tape are respectively set to angles at which an output difference between a reproducing signal of a track recorded by the 1ch head and a reproducing signal of a track recorded by the 2ch head is located within three decibels. Thus, an output difference between the two magnetic heads is reduced while the loss of electromagnetic conversion is reduced.
Claims6
A magnetic recording and reproducing device comprising:
- a first magnetic head and a second magnetic head;
- and
- an obliquely evaporated magnetic tape on which an azimuth recording is carried out with a track pitch of not larger than 5 μm and a shortest recording wavelength of not larger than 0.3 μm, wherein an angle formed by a head azimuth direction of each of the first and second magnetic heads and a longitudinal direction of the magnetic tape is set to an angle at which an output difference between a reproducing signal of a track recorded by the first magnetic head and a reproducing signal of a track recorded by the second magnetic head is located within three decibels.
Dependencies are inferred from the claim text.