Patent ID: 7929393

Claim:
An optical information recording device that records recording information by forming on a recording medium a recording mark whose mark length is of plural types and is an integral multiple of a reference mark length according to a recording signal generated from the recording information, comprising: a compensation information recording and reproduction section that, after recording compensation recording information by forming the recording mark on the recording medium according to a compensation recording signal generated from the compensation recording information which is an arbitrary recording information, generates a reproduction signal by reading out the compensation recording information from the recording medium; a reproduction clock generation section that generates from the reproduction signal a reproduction clock whose cycle corresponds to the reference mark length; a distribution reference level determination section that sets a signal level suitable for binarization determination of the reproduction signal as a distribution reference level, according to the difference in variation between white and black levels of the reproduction signal; a correction calculation section that calculates a correction value for correcting the compensation recording signal as a recording correction value so that the signal level of the reproduction signal around a target cross timing determined based on the reproduction clock becomes closer to the distribution reference level; a recording information recording section that forms the recording mark on the recording medium based on the recording signal generated by correcting a recording information signal generated from the recording information according to the recording correction value.