发明名称 Optical magnifying unit for document inspection has lens having light emitting diode edge illumination giving a stripe like bright field
摘要 An optical magnifying glass (1), i.e., an optical assistant for inspecting documents, comprises a lens body (2) with a connected light source of at least two LEDs (7) which are diagonally opposite on the lower periphery (4) of the lens body. The rays brighten the observing field in a stripewise fashion.
申请公布号 DE10238389(A1) 申请公布日期 2004.03.04
申请号 DE20021038389 申请日期 2002.08.16
申请人 A. SCHWEIZER GMBH OPTISCHE FABRIK 发明人
分类号 G02B25/02;(IPC1-7):G02B25/02 主分类号 G02B25/02
代理机构 代理人
主权项
地址