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Method for protecting a smart card by the smart card reader and smart card reader
Method for protecting a smart card by the smart card reader and smart card reader
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机译:通过智能卡读取器保护智能卡的方法和智能卡读取器
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摘要
A subscriber callback modem, includes a source of callback data. A modem is coupled to a subscriber telephone line, and a control circuit is coupled between the data source and the modem, for conditioning the modem to automatically call a central computer and transfer the callback data from the data source to the central computer.
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