Optical disk apparatus and starting method thereof

Details Optical disk apparatus and starting method thereof Optical disk apparatus and starting method thereof

2011-06-21

2011-06-21

Nguyen, Hoa T (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S112080, C369S112260

Reexamination Certificate

active

07965611

ABSTRACT:
In a three-wavelength-compliant optical disk apparatus, the present invention enables to shorten time required for starting the apparatus such as discrimination of an optical disk and adjustment of a beam-expander. At the time of starting the apparatus, the operation of a tray driver which pulls a loaded optical disk within the apparatus is conducted in parallel with the operation of a beam-expander driver which allows a movable lens of the beam-expander to move to a predetermined position in accordance with the kind of optical disk. Further, at the time of discriminating the disk, the number of times an optical disk of a specific kind has continuously been loaded into the apparatus to date is stored in a memory, and a sequence of discriminating the kind of optical disk that is newly discriminated is switched by referring to the history information.

REFERENCES:
patent: 6756574 (2004-06-01), Higuchi
patent: 2003/0174617 (2003-09-01), Kim et al.
patent: 2003/0179676 (2003-09-01), Ito
patent: 2005/0068881 (2005-03-01), Kimura et al.
patent: 2005-100481 (2005-04-01), None
patent: 2005-100481 (2005-04-01), None

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