Magnetic information carrier having both ends free and apparatus

Details Magnetic information carrier having both ends free and apparatus Magnetic information carrier having both ends free and apparatus

1975-10-30

1977-11-15

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 93, G11B 578, G11B 2308, G11B 2506

Patent

active

040588475

ABSTRACT:
A magnetic information carrier comprises a support or base strip made, for example, of plastic material or of light metal, on which a layer of magnetizable material is deposited.
The support is pretensioned so as to assume at rest a stable configuration following a spiral path, without the auxiliary of a central core. This carrier is written on and/or read by an apparatus comprising a first cavity on which the carrier is placed. The carrier is fed by a capstan in front of a magnetic head and is pushed into a second cavity of the apparatus, wherein the carrier winds itself following a spiral configuration similar to the initial one. In a second embodiment, the carrier is mounted in a removable cartridge having one or two cavities.

REFERENCES:
patent: 2475694 (1949-07-01), Camras
patent: 2892899 (1959-06-01), Connell
patent: 3285612 (1966-11-01), Hallamore
patent: 3682415 (1972-08-01), Ibuchi
patent: 3831199 (1974-08-01), Vollum et al.

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