Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1985-02-08
1987-06-23
Cardillo, Raymond F.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 78, 360106, G11B 552, G11B 2102
Patent
active
046757597
ABSTRACT:
In a system for controlling the motion of a magnetic head in a magnetic tape recorder, in order to achieve an optimally uniform wear of the magnetic head at a side thereof facing the magnetic tape, the magnetic head is constantly moved back and forth during a movement of the magnetic tape during at least one of the modes fast forward and rewind. In magnetic tape recorders wherein the magnetic head is positionable to various tracks of the magnetic tape transversely relative to the moving direction of the magnetic tape, wear on the head can occur at least partially during fast fast forward and rewinding modes. By moving the head during fast forward or rewind, the magnetic head is less heavily worn and the edges of the magnetic tape are not damaged by undesirable depressions in the head.
REFERENCES:
patent: 4210940 (1980-07-01), Prysby et al.
patent: 4313141 (1982-01-01), Yanagida et al.
patent: 4445188 (1984-04-01), Barrett
patent: 4476503 (1984-10-01), Solhjell
Cardillo Raymond F.
Garland Steven R.
Tandberg Data A/S
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