Tape cassette containing echo-erasing means

Details Tape cassette containing echo-erasing means Tape cassette containing echo-erasing means

1983-11-22

1987-04-07

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 66, 360118, G11B 2302, G11B 5127

Patent

active

046565485

ABSTRACT:
A tape cassette comprising at least one print-through echo-erasing device in the form of at least one appropriately shaped magnetic member made of permanent magnet material which is conveniently arranged on a tape guide element or near the apertures in the front wall of the cassette housing for the admission of scanning means. Such echo-erasing device can be used with advantage in any kind of magnetic tape cassette or cassette containing a recording medium having at least one magnetic track.

REFERENCES:
patent: 3351717 (1967-11-01), Metz
patent: 3548113 (1970-12-01), Althuber
Herr et al., "Selective Erasure of Magnetic Tape Cross-Talk", Electronics, Aug. 1952.

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