Automatic disc player system loaded with a multiplicity of selec

Details Automatic disc player system loaded with a multiplicity of selec Automatic disc player system loaded with a multiplicity of selec

1992-02-26

1993-11-30

Levy, Stuart S.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369192, 369258, 369270, 360 986, G11B 1722

Patent

active

052672255

ABSTRACT:
An automatic disc playback system for playing back discs such as compact discs or the like includes a pair of juxtaposed racks each housing a plurality of trays (3) with respective discs (4) placed thereon, a disc playback unit (120, 121) for playing back any one, at a time, of the discs, and a disc feed unit (40) disposed between the racks and movable therealong the racks, for feeding any one, at a time, of the discs from the racks to the disc playback unit. The disc feed unit has a disc drawing mechanism (60) for drawing a tray with a disc placed thereon from the rack, holding the disc, returning the tray into the rack before the disc is fed from the rack to the disc playback unit by the disc feed unit. The disc feed unit (40) also has a disc attracting mechanism (90) including a first iron member (109) movable upwardly through the central hole of the tray into engagement with the disc around the central hole thereof, and an electromagnetic attracting assembly (110-112) movable downwardly for magnetically attracting the first iron member (109) together with the disc engaged thereby.

REFERENCES:
patent: 4614474 (1986-09-01), Sudo
patent: 4730292 (1988-03-01), Hasegawa et al.
patent: 4951277 (1990-08-01), Masunaga et al.
patent: 5001582 (1991-03-01), Numasaki

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