OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE

PURPOSE:To promote the reliability by providing a means for restricting an adjusting range by a direction adjusting means for adjusting light beam spots in the abreast direction of tracking tracks and setting a mutual distance between the light beam spots in one pair as not exceeding double the pitc...

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Bibliographic Details
Main Author USUI MASAYUKI
Format Patent
LanguageEnglish
Published 12.09.1990
Subjects
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