| 摘要 |
<p>A method and system for an electronic price label system comprising at least a base station and a plurality of electronic labels for transferring information between the base station and electronic labels. The method comprises transmitting a first message from base station 6 to a plurality of electronic labels 5a, 5b, the first message comprising at least identification information of one electronic label 5a, 5b, receiving the first message at the electronic label 5a, 5b, recognizing the identification information in the first transmitted message by the electronic label 5a, 5b, transmitting a second message from the base station 6 to the electronic label 5a, 5b, receiving the second message and sending an acknowledgement message to the second message from electronic label 5a, 5b with a modulation frequency from a certain frequency range, and searching the acknowledgement message from a predefined frequency range at the base station 6.</p> |
