发明名称 Optical disc apparatus
摘要 An optical disc apparatus for enabling reduction of fluid noises accompanying with disc rotation, effectively, comprises a tray 5 provided to be able to comes in/out into/from said housing freely, a unit mechanism 5 provided together with the tray, in one body, a turntable 9a provided on the unit mechanism and configured to support a disc thereon, to be rotatable freely, a plural number of wall portions 5b to 5d formed on the tray surrounding the disc supported on the turntable from an outer periphery thereof, each of which has configuration like an arc around a rotation center of the turntable, a pickup 10 for doing straight-line motion within along a radius direction of a disc 4, and an opening 56, which is provided on the wall portion 5e locating at the position on the moving track of the pickup, for maintaining movement of the pickup, wherein the wall portion 5e is moved or stepped back to a side of an outer periphery of the turntable comparing to other wall portions.
申请公布号 US8136128(B2) 申请公布日期 2012.03.13
申请号 US20090508819 申请日期 2009.07.24
申请人 SHIZUYA MITSUTAKA;TSUBOTA SHINYA;YAMAGISHI HIROSHI;KIRIHARA SOJIRO;HITACHI CONSUMER ELECTRONICS CO., LTD.;HITACHI-LG DATA STORAGE, INC. 发明人 SHIZUYA MITSUTAKA;TSUBOTA SHINYA;YAMAGISHI HIROSHI;KIRIHARA SOJIRO
分类号 G11B17/04 主分类号 G11B17/04
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