发明名称 Portable player suitable for large compact disks and small compact disks
摘要 A portable player suitable for large compact disks and small compact disks comprises a seat having a read heading and a playing device, and an upper cover having a size correspondent to said seat. At least one of the seat and the upper cover has a groove at a lateral side and/or a front side. A protecting piece is installed, respectively. The protecting piece is a round sheet and has a notch correspondent to the shape of the groove for being engaged with said groove so as to protect a large compact disk
申请公布号 US6477128(B1) 申请公布日期 2002.11.05
申请号 US20000689791 申请日期 2000.10.13
申请人 YEH TSUN-WAN 发明人 MA HSI KUANG
分类号 G11B25/04;G11B33/02;(IPC1-7):G11B33/02 主分类号 G11B25/04
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