Decoding apparatus for continuous inductive transmission system

Claim 1

IN A CONTINUOUS INDUCTIVE SYSTEM FOR A RAILWAY VEHICLE WHEREIN TIME SPACED PULSES OF ELECTRICAL ENERGY OF A PREDETERMINED CHARACTERISTIC ARE TRANSMITTED RECURRENTLY FROM WAYSIDE TO THE VEHICLE AT A SELECTED ONE OF A PLURALITY OF CODE RATES TO GOVERN THE OPERATION OF THE VEHICLE IN ACCORDANCE WITH THE RATE OF RECURRENCE OF THE PULSES, COMPRISING MEANS ON THE VEHICLE TO RECEIVE EACH PULSE, CODE FOLLOWING MEANS OPERATIVELY CONNECTED TO THE RECEIVING MEANS TO OPERATE TO EACH ONE OF TWO CONDITIONS IN RESPONSE TO THE RECEPTION OF EACH PULSE, A TIMING MEANS FOR EACH ONE OF THE PLURALITY OF CODE RATES EFFECTIVE WHEN ACTIVATED TO PRODUCE AN OUTPUT AFTER A TIME INTERVAL CORRESPONDING TO A RESPECTIVE ONE OF THE PLURALITY OF CODE RATES, MEANS RESPONSIVE TO THE OPERATION OF CODE FOLLOWING MEANS TO ONE CONDITION EFFECTIVE TO ACTIVATE EACH OF THE TIMING MEANS ONLY DURING ALTERNATE PULSES, MEANS CONTROLLED BY THE OPERATION OF THE CODE FOLLOWING MEANS TO ITS OTHER CONDITION UPON TERMINATION OF EACH OF THE ALTERNATE PULSES TO CAUSE DEACTIVATION OF THE TIMING MEANS UPON THE SUBSEQUENT OPERATION OF THE CODE FOLLOWING MEANS IN RESPONSE TO A NEXT PULSE, AND MEANS RESPONSIVE TO THE RECURRENT OUTPUT OF EACH TIMING MEANS OCCURING PRIOR TO EACH OPERATION OF THE CODE FOLLOWING MEANS TO ITS ONE CONDITION IN RESPONSE TO SAID NEXT PULSES RESPECTIVELY TO GOVERN SELECTIVELY THE OPERATION OF THE RAILWAY VEHICLE.