Card reader for reading out of value - and security documents for a computer, data processing system and method for transmission of data between a computer and a card reading device

摘要

Card reading device (100) for reading out of value - and security documents (105) for a computer (200), wherein the card reading device (100) an audio interface (103) for transmitting data to the computer (200) by means of an audio frequency signal (400), and the audio interface (103) is implemented in a modem standard.