Magnetic-tape apparatus, having means for optimizing tape speed

Details Magnetic-tape apparatus, having means for optimizing tape speed Magnetic-tape apparatus, having means for optimizing tape speed

1987-11-04

1989-03-28

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record editing

360 7713, 360 84, H04N 578, G11B 2110, G11B 5027

Patent

active

048169277

ABSTRACT:
Rotatable head support (6) carries at least one magnetic head (7) which scans the tracks of a magnetic tape (1) guided across an arcuate guide surface (5) over an angle smaller than 180.degree.. The angle of inclination (.alpha.) of a head relative to a reference plane (100) is adjustable by a rack (13) and a pinion (15) to enable the tracks (26) to be followed at tape speeds (n.multidot.V.sub.0) which vary relative to a nominal tape speed (V.sub.0). Tape speed detection means (22) derive a control signal used to adjust the angle of inclination (.alpha.) in conformity with a formula containing the playback factor (n) and other parameters in order to enable a comparatively high tape speed (n.multidot.V.sub.0) to be used, starting from a specific maximum acceptable tracking error.

REFERENCES:
patent: 4703370 (1987-10-01), Inoue

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