发明名称 Optical mark reading system.
摘要 <p>An optical mark reader for evaluating marks on documents uses a line scanning camera which generates signal information indicative of marks on a scanned document; a selectable memory containing several document formats to choose from causes signal information from the scanned document corresponding to the selected format to be transmitted for evaluation.</p>
申请公布号 EP0013276(A2) 申请公布日期 1980.07.09
申请号 EP19800300006 申请日期 1980.01.02
申请人 WESTINGHOUSE ELECTRIC CORPORATION 发明人 MCMILLIN, JOHN VYUYAN;SCHROEDER, DALE WILLIAM
分类号 G06K7/015;G06K7/10;G06K7/14;(IPC1-7):06K7/14 主分类号 G06K7/015
代理机构 代理人
主权项
地址