发明名称 METHOD AND SYSTEM FOR OPTICALLY READING INFORMATION
摘要 The present invention relates to a novel type of information carrier, on which information is stored in the form of diffraction structures. The information carrier according to the invention can be read by being drawn manually through a reading device. The present invention also relates to a device with which an information carrier according to the invention can be read.
申请公布号 EP2002433(B1) 申请公布日期 2010.05.26
申请号 EP20070723140 申请日期 2007.03.09
申请人 BAYER INNOVATION GMBH 发明人 VOELKENING, STEPHAN;HUPE, TORSTEN
分类号 G11B7/0065;G03H1/16 主分类号 G11B7/0065
代理机构 代理人
主权项
地址