公开(公告)号：US20180108381A1

公开(公告)日：2018-04-19

申请号：US15730307

申请日：2017-10-11

申请人： SHINANO KENSHI KABUSHIKI KAISHA

发明人： Takahiro OGAWA ,  Akitoshi WATANABE

IPC分类号： G11B33/02 ,  G11B17/043

CPC分类号： G11B33/025 ,  G11B17/043 ,  G11B17/051 ,  G11B17/056 ,  G11B25/04 ,  G11B2220/2545 ,  G11B2220/2562

摘要： A disc drive (digital book data playback apparatus) includes a cabinet, a disc insertion part through which a digital book data disc is inserted into the cabinet, the disc insertion part being provided in a surface of the cabinet, and a guide groove formed in a surface of the cabinet, the guide groove having a starting end portion formed at an opening end and a terminating end portion continued to the disc insertion part, the guide groove being capable of receiving an outer peripheral edge of the digital book data disc to be inserted into the disc insertion part until the outer peripheral edge reaches a necessary depth.