Patent ID: 7403909
Filing Date: 2008-07-22
Classification: G06Q,H04L

Abstract:
1. A method of performing asynchronous electronic shelf label (ESL) transactions utilizing an ESL system comprising a communication base station (CBS) manager and an ESL manager comprising the steps of: issuing a transaction request by an ESL manager to the CBS manager, said transaction request including an action to be performed by an ESL and indicating an ESL function in the ESL manager to be called when the CBS manager establishes the transaction request has been completed; returning an identification number associated with the transaction request from the CBS manager to the ESL manager; transmitting one or more messages to the ESL to perform the transaction request; establishing the transaction request has been completed by the CBS manager upon receiving a response from the ESL to the one or more transmitted messages; calling the ESL function and providing the identification number associated with the transaction request; and retrieving a record of the transaction request by utilizing the identification number.