US Patent 7822390 System for transmitting and receiving data wirelessly

This invention relates to a system (100) for communicating wirelessly. The system (100) comprises an inductive antenna circuit (110) for transmitting and receiving inductively coupled signals, a driving means (102, 104) connected to inductive antenna circuit (110) and driving the inductive antenna circuit (102, 104) during a transmit mode, and comprises an amplifier means (112) connected to the inductive antenna circuit (110) and detecting and amplifying received signals differentially a receiving mode.