Loading disc optical detection apparatus

Details Loading disc optical detection apparatus Loading disc optical detection apparatus

2007-11-20

2007-11-20

Castro, Angel (Department: 2627)

Dynamic optical information storage or retrieval

Particular cabinet structure for optical media

Tray or drawer loading or ejecting

Reexamination Certificate

active

10941990

ABSTRACT:
A disc drive apparatus includes a tray member, on which a bare disc, or a cartridge accommodating a disc therein is placed, and a disc drive device, into or from which the tray member is loaded or ejected by a drive unit. A medium detection system includes detection holes provided on the tray member to detect a disc or a cartridge. In addition, provided on the disc drive device is a detection unit to optically detect a state including a type of a disc or a cartridge placed on the tray member based on whether the detection holes are shaded in the course of loading of the tray member.

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