发明名称 Device for representing braille on information signal recording medium and disc cartridge
摘要 A disc cartridge having a cartridge main body and a shutter member is disclosed. The cartridge main body contains a disc-shaped recording medium and includes an aperture formed in one of a pair of planar portions for exposing at least an information recording area of the disc-shaped recording medium to outside. The shutter member opens or closes the aperture and is movably mounted on the cartridge main body. A braille representing portion for indicating the type of the disc-shaped recording medium is formed on a shutter member of the disc cartridge, a container casing containing the disc cartridge or an index sheet arranged between the disc cartridge and the packaging film sheet and acting as a sheath on which the braille representing portion is formed.
申请公布号 US5577914(A) 申请公布日期 1996.11.26
申请号 US19940333336 申请日期 1994.11.02
申请人 SONY CORPORATION 发明人 TAKAHASHI, KENJI;FUJISAWA, HIROTOSHI
分类号 G09B21/00;(IPC1-7):G09B21/00 主分类号 G09B21/00
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