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US5329517A Optical information recording and reproducing apparatus utilizing a plurality of recording light spots 失效
利用多个记录光点的光信息记录和再现装置

Optical information recording and reproducing apparatus utilizing a
plurality of recording light spots
摘要:
An optical information recording and reproducing apparatus for recording information pits on an information track by irradiating a light beam focused into a fine spot onto the information track of an optical information recording and reproducing medium, includes a device for forming a plurality of recording light spots on the information track transversely to the information track.
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