Patent ID: 7324960
Filing Date: 2008-01-29
Classification: G06Q

Abstract:
1. A POS system comprising: at least one store server wherein said at least one store server comprises: means for storing transaction data transmitted from each POS terminal, means for receiving and executing a transaction cancel instruction from a first POS terminal other than a second POS terminal at which a first transaction occurred, and means for transferring said transaction cancel instruction to said second POS terminal at which said first transaction occurred, and a plurality of POS terminals as clients to said at least one store server, wherein each of said plurality of POS terminals comprises: means for inputting transaction data; means for storing said transaction data as first transaction data relating to a transaction that occurred at a first POS terminal; means for transmitting said transaction data to said at least one store server; means for querying said at least one store server and requesting second transaction data relating to a transaction that occurred at a second POS terminal; means for instructing said at least one store server to cancel the second transaction that occurred at said second POS terminal; means for executing a transaction cancel instruction received from said at least one store server to cancel said second transaction that occurred at said second POS terminal; means for applying a correction to said second transaction data; means for transmitting said corrected transaction data to said at least one store server as third transaction data relating to a new transaction that occurred at said first POS terminal, said corrected transaction data being stored at said first POS terminal as transaction data relating to said new transaction