发明名称 Illuminated magnifier reading apparatus
摘要 An illuminated magnifying lens device for reading sales slips in dim light is formed by a planar base supporting a generally horizontal frame in spaced relation above the base. The frame disposes a magnifying lens transversely of the base. A lamp equipped circuit illuminating the lens is energized by an operator lifting a writing instrument out of a support socket.
申请公布号 US5943173(A) 申请公布日期 1999.08.24
申请号 US19980192423 申请日期 1998.11.16
申请人 WATERHOUSE, WILLIAM H. 发明人 WATERHOUSE, WILLIAM H.
分类号 G02B25/02;(IPC1-7):G02B27/02 主分类号 G02B25/02
代理机构 代理人
主权项
地址