Demagnetizer for magnetic heads of floppy disc drive

Details Demagnetizer for magnetic heads of floppy disc drive Demagnetizer for magnetic heads of floppy disc drive

1992-02-05

1993-06-15

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head accessory

G11B 5465

Patent

active

052204740

ABSTRACT:
A demagnetizer for magnetic heads of floppy disc drive is made up of a receiving case having a size and shape similar to those of a conventional floppy disc and of a demagnetizing member disposed at a position in the receiving case where the magnetic heads make contact with the receiving case. The magnetizing member may be mounted on a rotating disc disposed in the receiving case. The magnetism of the magnetized magnetic heads is successfully removed by such a deed that a simple action initiated by the floppy disc drive serves to actuate the magnetized magnetic heads and/or the demagnetizing member to move close together and apart from each other in an alternated way, thereby resulting in a demagnetization of the magnetized magnetic heads.

REFERENCES:
patent: 4378582 (1983-03-01), Maier et al.

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