Disc auto changer for recording or reproducing information on a

Details Disc auto changer for recording or reproducing information on a Disc auto changer for recording or reproducing information on a

1996-03-08

1999-11-09

Miller, Brian E.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369197, G11B 1728

Patent

active

059827190

ABSTRACT:
The speed of a disc handling operation by a disc apparatus having disc changer capability is significantly increased and, at the same time, the disc handling operation is performed with stability. In the disc apparatus according to this invention, a plurality of reproducing units loaded with discs are moved independently and disc reproduction is started by returning the reproducing units to their dedicated positions. Simultaneous returning of the plurality of reproducing units is prevented and each reproducing unit moves for refuge while reproducing the disc. This novel setup significantly shortens the time for moving the reproducing units for disc reproduction. When continuously reproducing a plurality of discs accommodated in proximity, the plurality of reproducing units are moved in a stacked state rather than independently. This also contributes to a significant reduction of the time in the disc handling operation. Further, when raising the lower reproducing unit in the stack, it is moved together with the upper reproducing unit; when raising the upper reproducing unit, it is separated from the lower reproducing unit for independent movement. This prevents the reproducing units from colliding against each other. The novel constitution significantly enhances ease of use of the disc apparatus.

REFERENCES:
patent: 5128912 (1992-07-01), Hug et al.
patent: 5502697 (1996-03-01), Taki
patent: 5615202 (1997-03-01), Enomoto et al.

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