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1.发明公开LESEGERÄT FÜR DIE OPTISCHE ERFASSUNG UND SPEICHERUNG VON VISUELL MARKIERTEN UND PROJIZIERTEN ALPHANUMERISCHEN ZEICHEN, GRAPHIKEN UND FOTOGRAFISCHEN BILDERN 失效阅读器光学检测和可视化存储标记，并PROJECTED字母数字符号图形和照片图像
公开(公告)号：EP1013071A1
公开(公告)日：2000-06-28
申请号：EP97929121.8
申请日：1997-06-17
发明人： TEUFEL, Thomas , KELLER, Gerhard
IPC分类号： H04N1/107
CPC分类号： H04N1/1075 , H04N1/047 , H04N1/107 , H04N1/32358 , H04N2201/0077 , H04N2201/0471 , H04N2201/04715 , H04N2201/04734
摘要： The invention relates to a reader comprising a projection device for projecting of light emitted from a radiation source (117) to a section of a marked surface (20) and an optical unit (4) for receiving and visualising the reflected light on an image sensor (114) which transforms the reflected light into a sequence of electronic signals. The reader also has a motion detector (2) for generating synchronisation signals during movement parallel to the marked surface, and also a signal processing unit which converts the signals of the image sensor into information packets containing independently of the character code the alphanumerical, graphic or pictorial information of a freely selectable part of the marked surface, and stores said signals in a memory unit from which they can be retrieved.
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