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    • 61. 发明公开
    • Data transmission
    • Datenübertragung。
    • EP0375468A2
    • 1990-06-27
    • EP89313580.6
    • 1989-12-22
    • SOUTH WESTERN ELECTRICITY plc
    • Watts, David Reginald
    • G07F9/02G07F15/00G07F7/00G07F7/02
    • G07F7/0866G06Q20/363G07F7/00G07F9/02G07F15/00G07F17/0014
    • A system for capturing data from a vending unit for an electronic token-based electricity metering system. The data capture system records transactions taking place at the vending unit (10) and relays the captured data to a remote unit e.g. a central computer (30) at a suitable time. The transmission may be accomplished via a modem (24), a telephone line (26), and a second modem (28). Data captured can include meter readings carried by the electronic token from the meter (12), and purchase data generated by the vending unit (10). The data-capture unit (18) comprises a processor connected to the vending unit (10) and the modem (24), and electronic memory for storing transaction records. While the unit is generally operated by an external power supply, it may also be provided with an internal supply as an emergency back-up.
    • 一种用于从用于基于电子令牌的电力计量系统的售货单元捕获数据的系统。 数据捕获系统记录在售货单元(10)处发生的交易,并将所捕获的数据中继到远程单元,例如 中央计算机(30)。 传输可以通过调制解调器(24),电话线路(26)和第二调制解调器(28)来完成。 捕获的数据可以包括由电表(12)由电子令牌携带的仪表读数,以及购买由售货单元(10)产生的数据。 数据捕获单元(18)包括连接到售货单元(10)和调制解调器(24)的处理器以及用于存储交易记录的电子存储器。 虽然该设备通常由外部电源供电,但也可以提供内部电源作为紧急备用。