Vehicle speed maintaining control system and method

Claim 1

A POSITION SEEKING VEHICLE ENGINE THROTTLE CONTROL SYSTEM FOR MAINTAINING A SET VEHICLE SPED, SAID CONTROL SYSTEM COMPRISING; A VEHICLE SPEED RESPONSIVE SWITCHING FUNCTION GENERATOR HAVING A SET VEHICLE SPEED INPUT AND AN ACTUAL VEHICLE SPEED INPUT, MEANS GENERATING A VEHICLE OVERSPEED FIRST SIGNAL AT A PREDETERMINED VEHICLE OVERSPEED AND A VEHICLE UNDERSPEED SECOND SIGNAL AT A PREDETERMINED VEHICLE UNDERSPEED, FIRST AND SECOND SIGNAL TRANSMITTING MEANS, INDEPENDENTLY TRANSMITTING SAID SIGNALS FROM SAID GENERATING MEANS, AND MEANS CYLICALLY INTERRUPTING SAID FIRST AND SECOND SIGNAL TRANSMITTING MEANS; FIRST AND SECOND POWER MEANS RESPECTIVELY RECEIVING FIRST AND SECOND SIGNALS AND ACTUATED BY THE ASSOCIATED SIGNALS RECEIVED THEREBY TO RESPECTIVELY MOVE THE VEHICLE ENGINE THROTTLE TOWARD THE CLOSED POSITION AND THE OPEN POSITION IN STEPS CONTROLLED BY SAID INTERRUPTING MEANS TO POSITION THE ENGINE THROTTLE SO AS TO MAINTAIN ACTUAL VEHICLE SPEED WITHIN LIMITS DEFINED BY THE SPEED RANGE BETWEEN THE PREDETERMINED VEHICLE OVERSPEED AND UNDERSPEED AND THE SET SPEED.