Cassette device for demagnetizing the magnetic head in a cassett

Details Cassette device for demagnetizing the magnetic head in a cassett Cassette device for demagnetizing the magnetic head in a cassett

1989-03-13

1991-02-12

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Head accessory

G11B 510, G11B 5127, G11B 541

Patent

active

049929020

ABSTRACT:
A head demagnetizing device has an overall configuration similar to a standard cassette. Within the case is a demagnetizing electromagnet disposed such that it will be juxtaposed to the head to be demagnetized when the cassette-type device is inserted within a tape recorder. Also included in the case are an electrical system for exciting the electromagnet, a switch for connecting the electromagnet to the circuit for exciting the electromagnet, and an operating member that slides with respect to the electromagnet to activate the switch.

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