Abstract: The present invention is directed to current mode output control with a current mode (CM) region of the high voltage output curve (VI) slope controlled by component selection and arrangement in the construction of high voltage power supplies. The controlled CM current slope output, the tapped multiplier feedback network, and the subsequent output voltage correction network, yields a power supply with the desired VM and CM output characteristics that is significantly less expensive to construct and more efficient than a power supply built using conventional construction techniques.

Abstract: A process relating to a one step low pressure injection molding method of encapsulating high voltage circuitry while incorporating a unique recessed high voltage connector contact means within the injection molding material, greatly reducing the component size, while increasing the capabilities of this type of circuitry. The process reduces the manufacturing time and maintains a clean sealed contact point for repeated usage by the means of a conductive rubber slug. An additional advantage is by creating cavities through the circuit board; axially leaded high voltage components may be conveniently mounted without additional assembly components while being fully encapsulated.

Abstract: A process relating to a one step low pressure injection molding method of encapsulating high voltage circuitry while incorporating a unique recessed high voltage connector contact means within the injection molding material, greatly reducing the component size, while increasing the capabilities of this type of circuitry. The process reduces the manufacturing time and maintains a clean sealed contact point for repeated usage by the means of a conductive rubber slug. An additional advantage is by creating cavities through the circuit board; axially leaded high voltage components may be conveniently mounted without additional assembly components while being fully encapsulated.

Abstract: The present invention is directed to a remotely controlled power supply system that can change output polarity at a high slew rate without using switching devices. The system comprises a control circuit and two individual high voltage DC-DC converter power supply sections, one positive and one negative, connected in series. By nature of the control circuitry, either a positive or negative controllable current is produced depending upon a programmed voltage input. The two individual power supply sections are each self-oscillating single transistor circuits. The self-oscillating circuits contain an RC network tuned to provide attenuation at the second harmonic of the natural oscillating frequency of the circuit. This reduces and/or eliminates the tendency of this circuit to begin oscillation at the wrong harmonic of the natural frequency. A power-on delay circuit is used to suppress the outputs of the two power supply sections no matter the command of the input control programming signal.