DATA TRANSMISSION/RECEPTION SYSTEM, DATA TRANSMISSION/RECEPTION METHOD, AND GOODS INFORMATION PROCESSING DEVICE

摘要

A data transmission/reception system, a data transmission/reception method, and goods information processing device capable of easily and safely transmitting/receiving data between a goods information processing device in a shop and a data processing device out of the shop. In a main office data processing apparatus (8), a mail address of an electronic balance (2) installed in the shop (1) is registered. The main office data processing apparatus (8) transmits as en e-mail goods unit price data required for each of the electronic balances (2). The unit price data transmitted is stored in a provider mail server (13). On the other hand, the electronic balance (2) installed in the shop (1) is connected to the Internet (6) via a line (5), receives the unit price data from the provider mail server (13), and calculates goods price in accordance with the unit price data received.