| 摘要 |
<p>The present invention relates to a method of bidirectional communication with coded pattern between communication devices. The present invention is defined, in its broadest sense, as a method of bidirectional communication between a first communication device and a second communication device wherein: - a first code pattern is received by the first communication device, - retrieving a message from the coded information of said first barcode, - elaborating a response of the message, - generating a second coded pattern comprising the elaborated response, - transmitting the second coded pattern to the second communication device.</p> |
