Cassette having an information disc

Details Cassette having an information disc Cassette having an information disc

1989-03-02

1990-05-15

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

206309, 206444, 360133, G11B 2302, G11B 512

Patent

active

049264117

ABSTRACT:
A cassette contains an information disc arranged to be rotatable in the space inside the cassette and has an opening in a main wall of the housing to provide access to the disc surface for a pick-up. In order to minimize the area of the opening, while maintaining a wide field of use for the cassette, the opening is arranged asymmetrically relative to a radius of the disc.

REFERENCES:
patent: 3062552 (1962-11-01), Schwarz
patent: 3593327 (1971-07-01), Shill
patent: 4159494 (1979-06-01), Evans et al.
patent: 4403316 (1983-09-01), van de Veerdonk
patent: 4613044 (1986-09-01), Saito et al.
patent: 4688206 (1987-08-01), Nakagawa et al.
patent: 4777631 (1988-10-01), Kamoshita et al.
Dutch search report.

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