| 摘要 |
A printer for generating a surface printed with tags, the tags embedded with data, the printer comprising: an encoder having two or more rendering engines, the encoder rendering a pattern of tags, each tag having a data area comprising data dots and a locator component comprising constant dots; the tag encoder obtaining tag data from a tag format structure, the tag format structure being a dot based data package template containing a plurality of entries, there being an entry associated with each dot's position, an entry indicating whether a data dot or a constant dot, accordingly each entry having either fixed data bits or variable data bits, each entry being interpreted independently without reliance on state information; at least one printhead for printing said pattern of tags.
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