Optical disk device and control method

Details Optical disk device and control method Optical disk device and control method

2011-03-22

2011-03-22

Edun, Muhammad N (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal processing for controlling recording light...

C369S059100, C369S116000, C369S047500

Reexamination Certificate

active

07911911

ABSTRACT:
According to one embodiment, an optical disk device includes a laser light source that emits laser light to be applied to an optical disk, an automatic power control circuit that controls a laser output of the laser light source, and a control processor that performs a setting data transmission process for the automatic power control circuit. The automatic power control circuit includes an operation setting module that makes an operation setting according to setting data obtained in the setting data transmission process of the control processor and a condition determining module that determines whether an operation setting permission condition containing the number of clocks during a transmission period of the setting data is adequate, and inhibits the operation setting of the operation setting module when the operation setting permission condition is not adequate.

REFERENCES:
patent: 7460461 (2008-12-01), Hsu et al.
patent: 7773477 (2010-08-01), Kodama
patent: 2003-078203 (2003-03-01), None
patent: 2005-038470 (2005-02-01), None
patent: 2005-339790 (2005-12-01), None
patent: 2006-164364 (2006-06-01), None

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