Compact-disc changer using the same optical pickup device used f

Details Compact-disc changer using the same optical pickup device used f Compact-disc changer using the same optical pickup device used f

1995-02-15

1997-05-20

Levy, Stuart S.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 752, G11B 1722

Patent

active

056318847

ABSTRACT:
A roulette-type disc changer includes a tray, a roulette rotatably mounted on the tray, on the upper surface of which a plurality of discs are loaded, and a pickup portion installed below the tray and having a deck on which an optical pickup for emitting a laser beam moves, for reproducing information from the discs, wherein a plurality of throughhole groups are formed in a predetermined pattern along a circumference of the roulette, a light throughhole is formed in the tray at a position corresponding to that of the throughholes of the roulette, the deck of the pickup portion is extended such that the optical pickup can sufficiently move to the position of the light throughhole, and a reflecting device is installed such that the laser beam emitted from the optical pickup can pass through the light throughhole and the throughholes of the roulette and be reflected from the reflection means.

REFERENCES:
patent: 5193079 (1993-03-01), Ko et al.
patent: 5293362 (1994-03-01), Sakurai et al.

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