| 摘要 |
PROBLEM TO BE SOLVED: To provide a purchase money amount account settlement method sufficiently securing security. SOLUTION: A purchase money amount is inputted to a sales management device 2 first. Then, a purchaser operates the operation input part of a portable telephone set 1 and inputs identification data. The control part of the portable telephone set 1 collates the inputted identification data and the identification data stored in a storage part beforehand. When the identification data match, the telephone number of the purchaser stored in the storage part of the portable telephone set 1 is displayed at a display part as a code. A clerk of a member shop reads the code at the display part of the portable telephone set 1 by a reader part and read code data (individual specifying information) are transmitted from the transmission part of the sales management device 2 through a channel 5 to an account specifying computer 3 together with a merchandise price and a member shop code. The account specifying computer 3 specifies transfer data on the basis of a data base stored in a storage means and instructs an account settlement processing computer 4 to perform transfer. |
