Device and method for writing data to an optical disc
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United States of America Patent
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Jan 7, 2014
Grant Date -
Jun 27, 2013
app pub date -
Dec 21, 2012
filing date -
Dec 23, 2011
priority date (Note) -
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Abstract
Provided are a method of optical writing on a disc and a device adopting the method. The method of optical writing includes initially driving a laser diode (LD) at a preset reference value corresponding to a target output, detecting an actual output power by monitoring light output by the LD, and comparing the actual output power to the target output power. The method further includes compensating the reference value and writing data to the optical disc using the compensated reference value.
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