| 摘要 |
<p>An electronic price label (EPL) system which is capable of communicating with a group of EPLs. The system includes the group of EPLs, which is less than the total number of EPLs within a transaction establishment, and a computer which records a unique group identifier for a group of products associated with the EPLs, determines unique EPL identifiers for the group of EPLs from a table linking the unique group identifier to the unique EPL identifiers, and sends messages addressed to the unique EPL identifiers which contain identical information.</p> |
