Vehicle warning system

Claim 1

A WARMING SYSTEM FOR AN OPERATOR-MANNED VEHICLE TRAVELING ON A COURSE INCLUDING A ZONE OF RESTRICTED OPERATION COMPRISING, MEANS FOR CONTINUOUSLY GENERATING AND RADIATING RADIO-FREQUENCY ENERGY, MEANS FOR PERIODICALLY INTERRUPTING SAID RADIATED ENERGY TO PRODUCE PULSES OF RADIATED ENERGY AT A MAGNITUDE TO BE RADIATED OUTWARDLY IN ALL DIRECTIONS, A TRANSMITTING ANTENNA, MEANS FOR MOUNTING SAID TRANSMITTING ANTENNA SUBSTANTIALLY AT THE CENTER OF SAID RESTRICTED ZONE, ADJUSTABLE MEANS FOR COUPLING A PORTION OF SAID INTERRUPTED RADIO-FREQUENCY ENERGY TO SAID TRANSMITTING ANTENNA TO ESTABLISH AN AREA OF COVERAGE ABOUT SAID RESTRICTED ZONE, MEANS FOR ADJUSTING SAID COUPLING MEANS TO CHANGE SAID AREA OF COVERAGE, A RECEIVING ANTENNA FOR COVERING SAID RADIATED PULSES OF RADIO-FREQUENCY ENERGY INTO AN ELECTRICAL POTENTIAL, MEANS FOR MOUNTING SAID RECEIVED ANTANNA ON SAID VEHICLE, ELECTRICAL CIRCUIT MEANS INCLUDING MEANS FOR AMPLIFYING SAID POTENTIAL AND A DETECTOR FOR PRODUCING ELECTRICAL IMPULSES IN ACCORDANCE THEREWITH, AN OPERATOR ALARM RESPONSIVE TO SAID ELECTRICAL INPULSES, MEANS FOR LOCATING SAID OPERATOR ALARM WITHIN SAID VEHICLE, AND MEANS FOR CONNECTING SAID ELECTRICAL CIRCUIT MEANS TO SAID OPERATOR ALARM TO CONTINUALLY ENERGIZE THE SAME WHEN SAID VEHICLE IS LOCATED WITHIN SAID PREDETERMINED AREA OF COVERAGE.