Objective lens actuator and a disc apparatus using the same therein

An objective lens actuator which drives an objective lens in a focusing direction and a tracking direction, so as to focus lights on a recording surface of an optical disc, as a recording medium of information. The objective lens actuator includes a magnet, a lens holder which is configured to hold...

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Bibliographic Details
Main Authors Ochi, Manabu, Kimura, Katsuhiko, Yamada, Souichirou, Itou, Tetsuo
Format Patent
LanguageEnglish
Published 28.12.2010
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Summary:An objective lens actuator which drives an objective lens in a focusing direction and a tracking direction, so as to focus lights on a recording surface of an optical disc, as a recording medium of information. The objective lens actuator includes a magnet, a lens holder which is configured to hold the objective lens thereon, and four pieces of tracking coils which are disposed in a line on a side surface of the lens holder for holding the objective lens thereon, facing to the magnet.