Method for automatically calibrating output power of optical...

Details Method for automatically calibrating output power of optical... Method for automatically calibrating output power of optical...

2008-06-11

2010-11-30

Agustin, Peter Vincent (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

C369S053340

Reexamination Certificate

active

07843783

ABSTRACT:
A method for automatically calibrating an output power of an optical pick-up head is provided. First, an optical disc is provided, wherein a relationship between the output power for writing the optical disc and a specific parameter corresponding thereto is defined as a first function. Next, the optical pick-up head is controlled to perform a writing operation on the optical disc according to an instruction value, and obtain the specific parameter corresponding to the instruction value. Next, the output power corresponding to the instruction value is obtained according to the first function and the specific parameter. Next, the instruction value is adjusted according to the instruction value and the output power, and the output power of the optical pick-up head is calibrated according to the adjusted instruction value.

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patent: 6944109 (2005-09-01), Wang et al.
patent: 7406015 (2008-07-01), Ogawa
patent: 7746741 (2010-06-01), Yanagawa et al.
patent: 2005/0286390 (2005-12-01), Minemura et al.
patent: 2006/0083135 (2006-04-01), Minemura
patent: 2008/0037392 (2008-02-01), Uchino et al.

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