Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1996-04-10
1998-04-07
Dinh, Tan
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 36, 369191, G11B 1722
Patent
active
057372853
ABSTRACT:
Briefly, a compact disk player/changer for compact disks has an insertion aperture through which disks are inserted. Inserted disks are supported, at opposite contact points on their edges, between laterally movable left and right-side disk guides. The disk's left side contacts a belt revolved on the left-side disk guide. The disk's right side contacts a fixed wall on the right-side disk guide. The belt slides along a rigid wall that prevents bowing from pressure exerted by the disk's edge. The left and right-side disk guides move laterally to accommodate the disk as it is inserted. The spacing between the disk guides, once the disk is fully supported between the disk guides, is detected by a controller to determine when a disk has been inserted. Eject/Load keys are provided, one for each of several storage positions within the changer. When an eject/load key is pressed, a corresponding disk is recovered from a storage position and brought to an eject position at the insertion aperture. The insertion aperture has a spring loaded gate that senses the presence of a disk at the aperture. The controller is programmed to prevent any further disks from being moved from a storage position to the eject position, in response to the pressing of another eject/load key, as long as a disk is sensed at the insertion aperture.
REFERENCES:
patent: 4682320 (1987-07-01), Costemore
patent: 5123001 (1992-06-01), Nakamichi et al.
patent: 5177722 (1993-01-01), Nakamichi et al.
patent: 5241529 (1993-08-01), Hara et al.
patent: 5438534 (1995-08-01), Sakiyama
patent: 5504733 (1996-04-01), Nakamichi e al.
patent: 5594710 (1997-01-01), Nakamichi et al.
Dinh Tan
Nakamichi Corporation
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