发明名称 Disc drive and drive control method of disc drive
摘要 There is provided a disc drive adopting a slot-in loading by which an optical disc ( 2 ) is loaded into or ejected out of the device body through a disc slot. The disc drive can have loaded therein a large-diameter optical disc ( 2 A) and small-diameter optical disc ( 2 B), different in outside diameter from each other. With the small-diameter optical disc being set on a turntable ( 23 a), an objective lens ( 25 a) is retreated in a direction away from the signal recording surface of the small-diameter optical disc when a pickup moving mechanism ( 26 ) moves an optical pickup ( 25 ) between the outer and inner radii of the small-diameter optical disc.
申请公布号 US2006245313(A1) 申请公布日期 2006.11.02
申请号 US20050566396 申请日期 2005.06.01
申请人 SONY CORPORATION 发明人 YAMADA TAKASHI;YAMAMOTO KAZUYUKI;KUMAGAI HIDEAKI;MAMIYA TOSHIO
分类号 G11B7/00;G11B7/085;G11B17/04 主分类号 G11B7/00
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