Apparatus for the remote electronic control of vehicle speeds

Claim 1

SPEED CONTROL APPARATUS FOR THE LIMITATION OF SPEED OF MOTOR VEHICLES ALONG A TRAFFIC-CARRYING ROADWAY BY MEANS OF A TRAFFIC CONTROL OFFICER STATIONED ALONGSIDE THE ROADWAY, AND WHICH INCLUDES (A) LOOP MEANS COMPRISING A PLURALITY OF ELECTRICALLY CONDUCTIVE LOOPS DEFINING TRAFFIC CONTROL ZONES ALONG THE ROADWAY AND HAVING LIMBS LAID LONGITUDINALLY ON EITHER SIDE OF A ROADWAY, THE LIMBS HAVING CONNECTIONS AT OPPOSITE ENDS ADAPTED FOR CONNECTING THE LIMBS IN SERIES WITH EACH OTHER, AND ADAPTED FOR CONNECTION TO SIGNAL-EMITTING MEANS; (B) SIGNAL-EMITTING MEANS IN THE FORM OF A VARIABLE FREQUENCY TRANSMITTER ADAPTED FOR POSITIONING ALONGSIDE THE ROADWAY AND OPERABLE BY A TRAFFIC CONTROL OFFICER, AND INCLUDING (I) MEANS FOR CONNECTION TO THE CONNECTIONS OF THE LIMBS OF THE LOOPS ALONGSIDE THE ROADWAY; (II) INDICATING MEANS FOR INDICATING IN LINEAR AND TIME UNITS, THE SPEED CORRSPONDING TO THE FREQUENCY WITHIN THE RANGE AT WHICH IT CAN BE SET; (III) A TAPPING CONNECTION PERMITTING VARIATION IN ITS OUTPUT VOLTAGE TO MATCH THE IMPEDANCE OF LOOP MEANS CONSTITUTED BY VARYING COMBINATIONS OF LOOPS; (C) CONTROL APPARATUS ADAPTED FOR MOUNTING ON A MOTOR VEHICLE HAVING AN ENGINE WHOSE POWER OUTPUT IS CONTROLLABLE BY A THROTTLE, AND WHICH INCLUDES