Recording device and method of adjusting laser power

A recording device including: an optical head section for irradiating a recording medium with laser to record and reproduce information; a laser driving section for driving the optical head section to output laser; and a control section for, in a process of adjusting recording laser power output fro...

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Bibliographic Details
Main Author SAGARA SEIICHI
Format Patent
LanguageEnglish
Published 29.11.2011
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:A recording device including: an optical head section for irradiating a recording medium with laser to record and reproduce information; a laser driving section for driving the optical head section to output laser; and a control section for, in a process of adjusting recording laser power output from the optical head section, obtaining an evaluation value of a recorded area after a predetermined period of time elapsed since data was recorded as an evaluation value about a reproduction signal during reproduction of the recorded data, and adjusting recording laser power on the basis of the evaluation value after the predetermined period of time elapsed since data was recorded.
Bibliography:Application Number: US20100829862