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Framing codes for robust synchronization and addressing of self- clocking glyph codes
Framing codes for robust synchronization and addressing of self- clocking glyph codes
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机译:框架代码可实现强大的同步和自时钟字形代码的寻址
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摘要
An optically readable record for storing encoded information comprises (1) a recording medium, (2) a self-clocking data code for encoding the information, with this data code being composed of glyphs that are written in a two dimensional code field on the recording medium on centers that are spatially distributed in nominal accordance with a predetermined spatial formatting rule, where the glyphs are defined by respective symbols that are selected from a finite set of optically discriminable symbols to encode the information, and (3) a self-clocking synchronization code pattern that is written on the recording medium to fully frame at least a portion of the data code, with this the synchronization code pattern defining multiple paths of self-clocking glyphs for reaching any given glyph of synchronization code pattern from any other glyph thereof.
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