OPTICAL PICKUP, AND OPTICAL DISK DRIVE

PROBLEM TO BE SOLVED: To provide an optical pickup capable of reducing the height, which is mounted to reduce the thickness of entire optical disk drive handling three wavelengths.SOLUTION: In a disclosed optical pickup, a part of a focusing coil passes between two object lenses as viewed from a tan...

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Bibliographic Details
Main Authors YOSHIMURA YASUHIRO, KITADA YASUO, KIMURA KATSUHIKO, MIZUNO RYUICHIRO
Format Patent
LanguageEnglish
Japanese
Published 01.06.2017
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide an optical pickup capable of reducing the height, which is mounted to reduce the thickness of entire optical disk drive handling three wavelengths.SOLUTION: In a disclosed optical pickup, a part of a focusing coil passes between two object lenses as viewed from a tangential direction of an optical disk and a focusing direction.SELECTED DRAWING: Figure 6 【課題】３波長に対応する光ディスク装置全体の厚みを薄くするために、搭載される光ピックアップの高さを低減する構成を提供する。【解決手段】本発明による光ピックアップにおいては、光ディスクのタンジェンシャル方向およびフォーカシング方向から見て、フォーカシングコイルの一部が２つの対物レンズの間を通過する。【選択図】図６
Bibliography:Application Number: JP20150227079