Device and method for controlling an optical source driver
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United States of America Patent
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Dec 31, 2013
Grant Date -
Jul 18, 2013
app pub date -
Jan 15, 2013
filing date -
Jan 16, 2012
priority date (Note) -
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Abstract
A device and method for controlling a driving current with respect to an optical source of an optical disc drive are provided. The method includes changing a characteristic of a high frequency component based on a change in the peripheral temperature of on optical pickup device, modulating the driving current using the high frequency component, and applying the modulated driving current to the optical source.
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