Printed tag with location and orientation components for an optical reader

摘要

A printed tag is provided which can be read with an optical scanner. The tag includes a locator component. The locator component includes an endless line and can be used to locate the optical scanner with respect to the tag. An orientation component is located within the bounds of the endless line and can be used to orient the optical scanner with respect to the tag. A data component includes data to be read by the scanner.