| 摘要 |
<p>The device has an optical reader (3) movable with respect to a document and comprising a detection unit for detecting an image on a document and production of a signal representing the detected image elements. A computer or other computing devices comprise a coupling interface coupled to the reader to receive a signal representing a product and software to perform an action in correspondence with the received representing signal. A repetition is formed on the document and localized around or on an intelligible indication from a pictorial pattern in relation with the indication.</p> |
