1
Arthur Charych: System and method for wireless electrical power transmission. BC Systems, Brown & Michaels PC, September 28, 2004: US06798716 (414 worldwide citation)

A power transmission system using directional ultrasound for power transmission includes a transmitting device and a receiving device. The transmitting device has a set of ultrasound transducers forming an ultrasound transducer array, wherein the array is a set of spaced individual transducers place ...


2
Arthur Charych: Apparatus and method for DC/DC converter having high speed and accuracy. BC Systems, Brown & Michaels PC, July 6, 2004: US06760238 (9 worldwide citation)

A system and method for DC/DC conversion are provided in which a high accuracy digital pulse width modulator controller circuit controls a power switch to obtain a desired DC output. The control circuit amplifies the difference of a DC output sample in relation to voltage reference. The amplified di ...


3
Arthur Charych: Active centerpoint power bus balancing system. BC Systems, Brown & Michaels PC, October 30, 2012: US08300441 (1 worldwide citation)

An active centerpoint bus balancing system which actively maintains centerpoint voltage balance of the output capacitors in a power supply having a multi-level voltage output. The centerpoint voltage balance is maintained by a novel control circuit which efficiently transfers charge from one capacit ...


4
Arthur Charych: Active centerpoint power bus balancing system. Bc Systems, Brown & Michaels PC, November 4, 2010: US20100277954-A1

An active centerpoint bus balancing system which actively maintains centerpoint voltage balance of the output capacitors in a power supply having a multi-level voltage output. The centerpoint voltage balance is maintained by a novel control circuit which efficiently transfers charge from one capacit ...