OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE AND HOLOGRAPHIC RECORDING/REPRODUCING METHOD
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United States of America Patent
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Aug 17, 2017
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Jan 9, 2017
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Feb 17, 2016
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An optical information recording/reproducing device which reproduces information from an optical information storage medium in which an interference pattern between a signal beam and a reference beam is recorded as page data includes a controller, a laser light source, a split part, an angle variable part, an optical part, a first light detector, and a second light detector, and the controller controls the angle variable part based on a control signal generated from a first signal detected by the first light detector and a second signal detected by the second light detector.
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