Magnetic recording disk cartridge

Details Magnetic recording disk cartridge Magnetic recording disk cartridge

1983-10-05

1986-11-11

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

In container

360128, G11B 2303, G11B 510, G11B 5127, G11B 541

Patent

active

046226184

ABSTRACT:
A magnetic recording disk cartridge comprises a flat casing and a magnetic recording disk accommodated in the casing. The recording disk is rotated at a high speed when recording and reproducing video signals. An annular unwoven fabric is attached to each of the opposed major inner surfaces of the casing to be opposed to the outer margin of the recording disk.

REFERENCES:
patent: 3864755 (1975-02-01), Hargis
patent: 4463849 (1984-08-01), Prusak et al.
patent: 4470083 (1984-09-01), Doering et al.
patent: 4510546 (1985-04-01), Asami et al.

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