Optical disc drive apparatus with disc changer

Details Optical disc drive apparatus with disc changer Optical disc drive apparatus with disc changer

1997-10-08

1999-11-16

Ometz, David L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Access of multiple storage elements

360 9906, G11B 1704

Patent

active

059870010

ABSTRACT:
An optical disc drive apparatus including a main tray having a stack of subtrays mounted thereon and movable between withdrawn and inserted positions. When the main tray is moved to the inserted position, the subtrays stacked thereon are held at a stand-by position and a selected one of the subtrays is ready to be drawn towards a loaded position so that an optical disc resting on the selected one of the subtrays can be clamped in position and optically read out. When an optical disc resting on one of the subtrays other than the uppermost subtray then held at the loaded position is desired to be removed or replaced, not only can such one of the subtray be returned from the loaded position to the stand-by position, the main tray is allowed to withdraw from the inserted position back to the withdrawn position carrying such one of the subtrays and the subtray or subtrays positioned immediately thereabove while leaving the subtray or the subtrays positioned above such one of the subtrays at the stand-by position, so that such one of the subtrays can readily be exposed to the outside for removal or replacement of the optical disc resting thereon.

REFERENCES:
patent: 4654840 (1987-03-01), Takahashi
patent: 4797865 (1989-01-01), Mai et al.
patent: 5025338 (1991-06-01), Sone et al.
patent: 5140579 (1992-08-01), Suzuki et al.
patent: 5459703 (1995-10-01), Tanaka
patent: 5790508 (1998-08-01), Chen

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