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公开(公告)号：US3770944A
公开(公告)日：1973-11-06
申请号：US3770944D
申请日：1972-05-01
Applicant: RCA CORP
CPC classification number: G06K7/10871 , G07G1/10
Abstract: Binary coded designator labels fixed to articles which they identify are scanned and the signals thereby obtained are employed to produce clock pulses. Various circuits are included for checking the accuracy of signals read from a label and for distinguishing them from marks or other data on the article.
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公开(公告)号：US3796863A
公开(公告)日：1974-03-12
申请号：US3796863D
申请日：1972-01-19
Applicant: RCA CORP
CPC classification number: G06K7/10871 , G06K19/06018 , G06K2019/06243
Abstract: A machine readable binary encoded label having preamble, data and end sections comprising concentric annuli of two different reflectivities. The width of each annulus is an integral multiple N of some unit width. By limiting N to not greater than some given value, the data on the label, when read by optical scanning equipment which can detect transitions between reflectivities, provides the transition signals needed to resynchronize the scanning equipment clock circuitry.
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公开(公告)号：US3708655A
公开(公告)日：1973-01-02
申请号：US3708655D
申请日：1971-04-30
Applicant: RCA CORP
Inventor： SCHANNE J
CPC classification number: G07G1/0045 , G06K7/10871
Abstract: Binary coded designator labels fixed to articles which they identify are scanned and the signals thereby obtained are employed to produce clock pulses. Various circuits are included for checking the accuracy of signals read from a label and for distinguishing them from marks or other data on the article.
Abstract translation: 扫描固定在其识别的物品上的二进制编码标识符标签，由此得到的信号用于产生时钟脉冲。 包括各种电路用于检查从标签读取的信号的准确性，并将其与商品上的商标或其他数据区分开来。
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