Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
292 words
A transaction processing apparatus comprising: first means for storing in advance and respectively for each commodity, commodity identification data and other commodity data corresponding to the commodity identified by the commodity identification data, said other commodity data including unit price data, second means for storing commodity identification data and corresponding unit price data, means for entering commodity identification data, means responsive to the entry of the commodity identification data with said entering means for registering the data concerning a commodity corresponding to the entered commodity identification data, means for determining whether or not the unit price data corresponding to the entered commodity identification data is already stored in said second storing means each time the commodity identification data is entered with said entering means, and control means responsive to a determination by said determining means that the unit price data entered by said entering means is not stored in said second storing means for reading out from said first storing means the data concerning commodities corresponding to the commodity identification data entered with said entering means and storing the entered commodity identification data and the data concerning commodities corresponding to the entered commodity identification data in said second storing means and for registering the data concerning commodities read out from said first storing means with said registering means, and responsive to a determination by said determining means that the unit price data corresponding to the commodity identification data entered with said entering means is stored in said second storing means for registering the unit price data corresponding to the commodity identification data stored in said second storing means and data, excluding the unit price data, concerning commodities corresponding to the entered commodity identification data which is stored in said first storing means.
Claim 2
Dependent Claim
292 words
A transaction processing apparatus comprising: first means for storing in advance and respectively for each commodity, commodity identification data and other commodity data corresponding to the commodity identified by the commodity identification data, said other commodity data including unit price data, second means for storing commodity identification data and corresponding unit price data, means for entering commodity identification data, means responsive to the entry of the commodity identification data with said entering means for registering the data concerning a commodity corresponding to the entered commodity identification data, means for determining whether or not the unit price data corresponding to the entered commodity identification data is already stored in said second storing means each time the commodity identification data is entered with said entering means, and control means responsive to a determination by said determining means that the unit price data entered by said entering means is not stored in said second storing means for reading out from said first storing means the data concerning commodities corresponding to the commodity identification data entered with said entering means and storing the entered commodity identification data and the data concerning commodities corresponding to the entered commodity identification data in said second storing means and for registering the data concerning commodities read out from said first storing means with said registering means, and responsive to a determination by said determining means that the unit price data corresponding to the commodity identification data entered with said entering means is stored in said second storing means for registering the unit price data corresponding to the commodity identification data stored in said second storing means and data, excluding the unit price data, concerning commodities corresponding to the entered commodity identification data which is stored in said first storing means.
Claim 3
Dependent Claim
25 words
A transaction processing apparatus according to claim 1, wherein said entering means comprises a key entering portion for entering commodity identification data by key operation.
Claim 4
Dependent Claim
26 words
A transaction processing apparatus according to claim 1, wherein said entering means comprises a reading portion for reading and entering commodity identification data attached to commodities.
Claim 5
Dependent Claim
51 words
A transaction processing apparatus according to claim 1, wherein said registering means includes means for accumulating the unit price data for calculating the amount of the commodities purchased by a customer and further comprises erasing means for erasing the contents stored in said second storing means when the amount is paid.
Claim 6
Dependent Claim
56 words
A transaction processing apparatus according to claim 1 wherein said first storing means stores a data file comprising at least a plurality of commodity identification codes, a plurality of unit prices respectively associated with said plurality of commodity identification codes, and a plurality of other data also respectively associated with said plurality of commodity identification codes.