Improvements in radio reporter systems

摘要

A radio reporter system comprising an indicator; a first medium which reacts with the propagation time of the energy from the site of the indicator and reirradiadores objects to a distance site and back to the site in this indicator for producing indications of the relative position thereof and said objects; and second means react with reradiated energy from said objects accordingly energy initially irradiated from a transmitter source at said remote location to produce said indicator other indications of the relative position thereof and such objects.