| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic rack tag system which enables a user to easily judge when the display of an electronic rack tag showing the commodity display information of a commodity has been updated by simply checking the display of the electronic rack tag. <P>SOLUTION: The electronic rack tag 1 which shows the commodity display information and a rack tag server 2 perform a communication. Simultaneously, each time when the rack tag server 2 updates the commodity display information to the electronic rack tag 1, and transmits it through the communication, the electronic rack tag 1 receives the updated commodity display information. While, within a plurality of display updating period zones which are set in advance, the display expressing the display updating period zone to which the update is applicable is performed together with the display of the updated commodity display information to constitute the electronic rack tag system. <P>COPYRIGHT: (C)2009,JPO&INPIT |
