SYSTEM FOR TRANSMITTING A SIGNAL TO AND FOR RECEIVING A SIGNAL FORM A PASSIVE TRANSPONDER

摘要

A system for transmitting a signal to, and for receiving a signal from a passive transponder includes a probe which transmits an exciter signal having a first frequency and receives a signal from the transponder having a second frequency. The probe includes an antenna for transmitting the exciter signal. The antenna includes a secondary coil and a primary coil wound about the secondary coil. The secondary coil is tuned to resonate at the first frequency. A receiver is provided for driving the primary coil at the first frequency.