Invention Grant
US08210432B2 Method and system for encoding data, and method and system for reading encoded data 有权
用于编码数据的方法和系统,以及用于读取编码数据的方法和系统

Method and system for encoding data, and method and system for reading encoded data
Abstract:
A method and system for encoding a numeric value by the placement of indicia at fixed sensing locations on a substrate, each indicium chosen from two or more sets of indicia, each set producing different responses in a sensor, and for decoding the numeric value by sensing the presence and character of the indicia with a set of sensors apposed to the fixed sensing locations.
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