Monitoring system for taxi meters

Claim 1

IN COMBINATION WITH A TAXI CAB EQUIPPED WITH A FARE RECORDING METER HAVING AN OPERATIVE AND AN INOPERATIVE POSITION, A BATTERY, AN IGNITION SYSTEM, AN IGNITION SWITCH AND PASSENGER SEATS, A SYSTEM FOR MONITORING SAID METER, SAID SYSTEM INCLUDING AT LEAST ONE NORMALLY OPEN SENSING SWITCH MOUNTED TO EACH PASSENGER SEAT AND ADAPTED TO BE CLOSED BY A PASSENGER SITTING IN SAID SEAT, A SET OF FIRST, SECOND AND THIRD RELAYS OPERATIVELY CONNECTED TO SAID SENSING SWITCHES, TO SAID METER, TO SAID IGNITION SWITCH AND TO SAID IGNITION SYSTEM, A CABLE HAVING A CONDUCTIVE SHIELD CONNECTING SAID SENSING SWITCHES TO SAID RELAYS, THE COIL FOR SAID FIRST RELAY BEING CONNECTED TO SAID IGNITION SWITCH AND ADAPTED TO COMPLETE A FIRST CIRCUIT TO SAID IGNITION SYSTEM THROUGH THE SWITCH FOR SAID FIRST RELAY IN SERIES WITH THE SWITCH FOR SAID THIRD RELAY WHEN SAID IGNITION SWITCH IS CLOSED, SAID FIRST RELAY BEING CONNECTED TO SAID SHIELDING WHEREBY RUPTURE OF SAID SHIELDING WILL DE-ENERGIZE SAID FIRST RELAY AND THEREBY DE-ENERGIZE SAID IGNITION SYSTEM, THE COIL FOR SAID SECOND RELAY BEING CONNECTED TO SAID METER AND HAVING A SWITCH NORMALLY COMPLETING A CIRCUIT TO THE COIL FOR SAID THIRD RELAY IN ONE POSITION, SAID SECOND RELAY SWITCH IN ANOTHER POSITION COMPLETING A SECOND CIRCUIT TO SAID IGNITION SYSTEM WHEN THE SECOND RELAY COIL IS ENERGIZED BY SAID METER BEIG SET IN AN OPERATIVE POSITION, THE SWITCH FOR SAID THIRD RELAY NORMALLY COMPLETING A CIRCUIT TO SAID IGNITION SYSTEM IN ONE POSITION, SAID SENSING SWITCHES UPON CLOSURE BEING ADAPTED TO ENERGIZE SAID THIRD RELAY COIL TO THEREBY OPEN SAID FIRST CIRCUIT.