发明名称 Electronic blackboard device
摘要 An electronic blackboard device capable of performing color printing. Data read by an image sensor is converted to digital data by an A/D converter and provided via a shading correcting circuit and a converter to a printer control circuit, which causes a color printer to print the appropriate data in a color corresponding to a marker.
申请公布号 US6188493(B1) 申请公布日期 2001.02.13
申请号 US19980058242 申请日期 1998.04.10
申请人 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 发明人 ESAKI TAKAHIRO;EGUCHI KAZUHIRO;NAKAYAMA TAKESHI
分类号 H04N1/46;(IPC1-7):H04N1/46 主分类号 H04N1/46
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