Optical disk apparatus for performing power control
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United States of America Patent
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Dec 20, 2011
Grant Date -
May 24, 2007
app pub date -
Nov 17, 2006
filing date -
Nov 18, 2005
priority date (Note) -
Expired
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Abstract
is achieved in relation to the quantity of reflected light B acquired during recording of data; and computes next recording power Pr by use of a coefficient α by means of Pr=(1−α)·Pc+α·P in relation to current recording power Pc, to thus control recording power. The coefficient α is set to 0<α<1, thereby suppressing fluctuations and divergence of recording power. The coefficient α is dynamically set according to a parameter “n.”
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