Dynamic optical information storage or retrieval – Particular cabinet structure for optical media – Capable of only accepting unprotected insertable single...
Reexamination Certificate
2008-12-04
2011-11-15
Le, Thong Q (Department: 2827)
Dynamic optical information storage or retrieval
Particular cabinet structure for optical media
Capable of only accepting unprotected insertable single...
C720S620000, C720S622000, C720S609000, C720S604000, C720S601000
Reexamination Certificate
active
08060896
ABSTRACT:
A method and device for protecting slot-in optical disc drive are provided. A first sensing switch is for detecting the action of an unloading unit, a second sensing switch is for detecting the action of a receiving unit, and a third sensing switch is for detecting the action of a positioning bar. A disc is inserted as the optical disc drive is at the initial state, and the states of the first, second and third sensing switches are detected. The transmission unit is activated to automatically load the disc as all sensing switches are turned on, and whether the state of the third sensing switch changes is checked. When the state of the third sensing switch changes, the extraction of the disc is detected, so the transmission unit is immediately reversed to execute the unloading of the disc, so as to protect the optical disc drive.
REFERENCES:
patent: 7934225 (2011-04-01), Kuo et al.
Bacon & Thomas PLLC
Le Thong Q
Quanta Storage Inc.
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