OPTICAL INFORMATION RECORDING/REPRODUCTION DEVICE, RECORDING CONDITION ADJUSTMENT METHOD, AND OPTICAL INFORMATION RECORDING MEDIUM
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United States of America Patent
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Issued Date -
May 14, 2015
app pub date -
May 23, 2012
filing date -
May 23, 2012
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Abandoned
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Abstract
An optical information recording/reproduction device appropriately adjusting a recording condition and a method and a medium therefor are provided in order to cope with a problem that the signal-to-noise ratio (SNR) during reproduction decreases, unless the condition during recording is adjusted, because of variation in the environment during recording, variation of components such as laser output, variation of production of the device, and the like in the optical information recording/reproduction device using holography. In an optical information recording/reproduction device configured to record or reproduce information to an optical information recording medium by using holography, a recording condition is adjusted, before user data are recorded, in an adjustment area provided for recording condition adjustment in an optical information recording medium.
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