Patent ID: 7367498
Filing Date: 2008-05-06
Classification: G06Q

Abstract:
1. A POS terminal that registers, through a computer network, a transaction log in a transaction database, comprising a central processing unit that acquires first identification information of the transaction log and retrieves, from said transaction database, said transaction log indicating an item of merchandise, a quantity thereof, and a unit price thereof, wherein said central processing unit further determines whether said transaction log is in a revisable state, revises, if said transaction log is in said revisable state, said transaction log by allowing a cashier to change said item of merchandise, increase and decrease said quantity thereof and determine said unit price of said item of merchandise by reference to price information stored in a price database, registers the revised transaction log in said transaction database having new identification information, the revised transaction log being newly and separately generated from the retrieved transaction log and sets said transaction log in an un-revisable state.