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    Multi-font reading machines
    7.
    发明授权
    Multi-font reading machines 失效
    多功能阅读机

    公开(公告)号：US3560927A

    公开(公告)日：1971-02-02

    申请号：US3560927D

    申请日：1966-11-04

    Applicant: CONTROL DATA CORP

    Inventor： RABINOW JACOB ,  GREENWALD SIDNEY

    IPC: G06K9/64 ,  G06K9/68 ,  G06K9/10

    CPC classification number: G06K9/645 ,  G06K9/6807

    Abstract: AN OPTICAL CHARACTER READING MACHINE CAPABLE OF READING NUMEROUS FONTS BY HAVING ELECTRONIC CHARACTER CRITERIA ARRANGED IN FIRST AND SECOND SETS WHERE THE FIRST SET HAS REPRESENTATIONS OF VARIOUS SHAPES OF THE TOP PORTIONS OF A CHARACTER AND THE SECOND SET HAS REPRESENTATIONS OF VARIOUS SHAPES OF THE BOTTOM PORTION OF THE CHARACTER. THE NUMEROUS POSSIBLE PERMUTATIONS OF SHAPES YIELDS VALID CRITERIA FOR MANY FONTS OF THE SAME CHARACTER. THE MACHINE SCANS A PRINTED CHARACTER AND THE SCANNER-EXTRACTED SIGNALS ARE FORMED IN FIRST AND SECOND GROUPS FOR COMPARISON TO THE FIRST AND SECOND SETS OF CRITERIA. RESULTING FIRST AND SECOND CORRELATION SIGNALS ARE COMBINED AND EXAMINED FOR THE OPTIMAL SIGNAL FROM EACH SET. THE BEST OF THE RESULTING FIRST SIGNALS AND THE BEST SECOND CORRELATION SIGNALS ARE COMBINED, EXAMINED AND A CHARACTER-IDENTITY DECISION IS BASED THEREON.

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