Data transmission system for transmitting coded data stream, has sender and receiver, where sender has loudspeaker for transmitting coded data stream and control circuit for controlling loudspeaker

摘要

The data transmission system has a sender (1) and a receiver (2). The sender has a loudspeaker (3) for transmitting a coded data stream (4) and a control circuit (5) for controlling the loudspeaker. The receiver has a sensor (6) for receiving the data stream and a signal processing unit (7) for evaluating the data stream. The control circuit and the loudspeaker are formed by printed electronics.