| 摘要 |
An electronic label, which is wirelessly connected to a product information updating system, said label comprising a wireless communication interface (9) adapted to receive information to be shown on a display (5), a processing means (11) connected to the communication interface (9), a display updating means (15) connected to the processing means (11) and at least one dot matrix display (5) connected to the display updating means (15) and adapted to display an image of product information. According to the invention the communication interface (9) is adapted to receive from the updating system only the part of the image that has been changed together with information about where in the display image this updated information should be placed. Furthermore the display updating means (15) is adapted to update the display (5) accordingly. |
