| 摘要 |
A merchandising coupon having a coded information track comprising a pair of substantially parallel rows of adjacent portions of contrasting character (for example, black and white), the portions of the first of said rows serving as a timer track, and the portions of the second of said rows serving as an information track; the contrasting portions of the first row being symmetrically and uniformly spaced to serve as a timing or clocking track, and the contrasting portions of the second row being of a length to overlie one or more of the adjacent contrasting portions of the first row, whereby said rows, when correlated in a binary system, operate according to a nonreturn-to-zero method in order to provide substantial manufacturing, shipping, receiving, ordering or marketing inventory control and accounting information, and capable of being imprinted at any handling stage with one or more additional rows of data operating in substantially the same manner.
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