Regulated high voltage d.c. power supply

Claim 1

IN A COLOR TELEVISION RECEIVER ENERGIZED BY A POWER SOURCE AND INCLUDING A COLOR IMAGE REPRODUCING DEVICE HAVING AN ULTOR ELECTRODE, A HIGH VOLTAGE RECTIFIER HAVING AN OUTPUT ELECTRODE CONNECTION TO SAID ULTOR ELECTRODE FOR SUPPLYING AN ENERGIZING POTENTIAL THERETO, A SOURCE A FIRST CONTROL VOLTAGE AND A SOURCE OF A SECOND CONTROL VOLTAGE, SAID FIRST AND SECOND CONTROL VOLTAGE BEING RESPONSIVE TO AND REFLECTIVE OF VARIATIONS IN THE VOLTAGE AMPLITUDE OF SAID POWER SOURCE, ONE OF SAID CONTROL VOLTAGES HAVING A LARGER AMPLITUDE AND EXHIBITING GREATER AMPLITUDE VARIATIONS WITH VARIATIONS IN THE VOLTAGE AMPLITUDE OF SAID POWER SOURCE THAN THE OTHER OF SAID CONTROL VOLTAGES, AND A REGULATOR DEVICE HAVING A PAIR OF CONTROL ELECTRODES FOR ALTERING THE CONDUCTIVITY OF A CURRENT PATH IN SAID DEVICE, SAID CURRENT PATH BEING CONNECTED BETWEEN SAID RECTIFIER OUTPUT ELECTRODE AND SAID SOURCE OF FIRST CONTROL VOLTAGE, ONE OF SAID CONTROL ELECTRODES BEING COUPLED TO SAID SOURCE OF FIRST CONTROL VOLTAGE, THE COMBINATION COMPRISING: A FIRST VOLTAGE DIVIDER NETWORK HAVING A RESISTANCE-EXHIBITING PORTION CONNECTED BETWEEN SAID SECOND CONTROL VOLTAGE SOURCE AND A POINT OF SUBSTANTIALLY UNVARYING POTENTIAL;