Sweep circuit for a frequency locked circuit

Claim 1

IN COMBINATION, A FREQUENCY CONTROLLING CIRCUIT COMPRISING A CHARGING CAPACITOR WHEREBY THE CAPACITOR VOLTAGE IS ADAPTED TO CONTROL THE FREQUENCY OF A VOLTAGE CONTROLLED OSCILLATOR, MEANS OPERATIVELY CONNECTING SAID CAPACITOR FOR APPLYING A FIRST CONTROL VOLTAGE TO VARY SAID CAPACITOR VOLTAGE WHEREBY THE VOLTAGE CONTROLLED OSCILLATOR IS FINE FREQUENCY CONTROLLED, A CHARGING CIRCUIT INCLUDING A SWITCH OPERATIVELY CONNECTING SAID CAPACITOR FOR CHARGING SAID CAPACITOR AT A RAPID RATE WHEREBY A SWEEPING VOLTAGE IS GENERATED ACROSS SAID CAPACITOR RESULTING IN A SWEEPING FREQUENCY VOLTAGE, AN ADDITIONAL SWITCH MEANS RESPONSIVE TO A SUBSTANTIALLY HIGH VOLTAGE PORTION OF SAID SWEEPING VOLTAGE FOR DISCHARGING SAID CAPACITOR, THEREBY SWEEPING THE FREQUENCY OF THE VOLTAGE CONTROLLED OSCILLATOR, MEANS OPERATIVELY CONNECTING SAID CAPACITOR RESPONSIVE TO THE DISCHARGING OF SAID CAPACITOR FOR APPLYING A SIGNAL TO SAID CHARGING CIRCUIT TO DISABLE SAID CHARGING CIRCUIT, THEREBY PREVENTING SAID CAPACITOR FROM CHARGAGAIN UNTIL THE DISCHARGE IS COMPLETE, AND MEANS RESPONSIVE TO A LOCK INDICATOR SIGNAL FOR ENERGIZING SAID CHARGING CIRCUIT, TO DISABLE THE CHARGING OF SAID CAPACITOR AND ENABLING THE FIRST CONTROL VOLTAGE TO VARY THE VOLTAGE CONTROLLED OSCILLATOR.