发明名称 Light guide reading board
摘要 A light guide reading board composed by a light guide plate and a shell is used for occasions without enough light, or at night. The device features on that a slot is arranged on a side of the shell for being disposed with a moveable magnifying glass frame while a light emission circuitry, recording circuitry, radio circuitry and a timer are also disposed inside the shell so as to make the device with multifunction.
申请公布号 US2006002677(A1) 申请公布日期 2006.01.05
申请号 US20040879107 申请日期 2004.06.30
申请人 LIN YUNG-FA 发明人 LIN YUNG-FA
分类号 G02B6/10 主分类号 G02B6/10
代理机构 代理人
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