Disk drive with improved tray control

Details Disk drive with improved tray control Disk drive with improved tray control

2008-06-10

2008-06-10

Klimowicz, William J. (Department: 2627)

Dynamic optical information storage or retrieval

Particular cabinet structure for optical media

Tray or drawer loading or ejecting

C720S606000, C369S030360

Reexamination Certificate

active

07386866

ABSTRACT:
A disk drive comprising a tray (TR) for receiving a disk, the tray (TR) being supported for movement between a first position within a casing (CS) of the disk drive and a second position projecting from the casing (CS), an electric motor for moving the tray (TR) between the first and second positions, and a regulation device for regulating an electric current through the motor for regulating the rotation of the motor. The regulation device comprises a detection device for detecting a back-electromotive voltage produced during rotation of the motor for deriving position information of the tray (TR) with respect to the first and second positions.

REFERENCES:
patent: 4722078 (1988-01-01), Nakanishi et al.
patent: 6922378 (2005-07-01), Shen
patent: 2002/0054451 (2002-05-01), Moon et al.
patent: 2002/0089776 (2002-07-01), Hirano et al.
patent: 0698882 (1996-02-01), None
patent: 0698882 (1996-02-01), None
patent: 09091820 (1997-04-01), None
patent: 10112106 (1998-04-01), None
patent: 2000306245 (2000-11-01), None
ISR Publication, International Publication No. WO2005/001827(A1).

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