Dynamic information storage or retrieval – Storage medium structure – Adjuncts or adapters
Patent
1991-03-07
1992-03-03
Levy, Stuart S.
Dynamic information storage or retrieval
Storage medium structure
Adjuncts or adapters
360133, 206444, G11B 2303, G11B 1700, G11B 582
Patent
active
050938231
ABSTRACT:
A cassette accommodates an information disc (1) which is rotatable inside a housing (2) and which can be read by means of a pick-up which is movable over the disc surface through an aperture (6) in a main wall (3). To enable the information disc to be exchanged rapidly and conveniently, the disc receiving space in the housing is readily accessible in that a shutter (16), which includes at least one of the transverse walls (4, 5, 17) of the housing, can be moved to an open position.
REFERENCES:
patent: 4443874 (1984-04-01), Steenberg
patent: 4455642 (1984-06-01), Inaba
patent: 4463849 (1984-08-01), Prusak et al.
patent: 4755982 (1988-07-01), Douwes
patent: 4862448 (1989-08-01), Tanaka et al.
Beijersbergen Van Henegouwen Cornelis M.
Koken Karel G. M.
Ouwerkerk Cornelius
Rath Wilhelmus J. F.
Levy Stuart S.
Treacy David R.
U.S. Philips Corporation
Wells Kenneth B.
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