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An Entity of Type : prov:Entity, within Data Space : webisa.webdatacommons.org associated with source dataset(s)

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  • ug 25, 1998Pioneer Electronic CorporationOptical pickup unit capable of reading signals recorded on different types of optical disksUS5822135 *May 1, 1996Oct 13, 1998Samsung Electronics Co., Ltd.Lens device including a light controlling mechanism and an optical pickup apparatus using a lens deviceUS5838651 *Aug 7, 1996Nov 17, 1998Nec CorporationOptical read-out head capable of improved read-out of
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