Company Filing History:
Years Active: 2003-2015
Title: Inventor Spotlight: Stephen James Sanchez
Introduction
Stephen James Sanchez is a renowned inventor based in Tucson, Arizona. With an impressive portfolio of 10 patents, he has significantly contributed to the field of motor control technology, particularly focusing on sensorless brushless direct current (BLDC) motors. His inventions are recognized for their innovation and practical applications in various electronic systems.
Latest Patents
Stephen's latest patents showcase his dedication to advancing motor technology. The first patent, titled "Determining commutation position for a sensorless permanent magnet brushless motor at low or zero speed using an asymmetric drive pattern," describes a sophisticated system for controlling motor switching. This system features a controller unit equipped with a control signal generator, processing unit, and an analog-to-digital converter. It drives two of the three stator windings with an asymmetric pulse width modulation signal while leaving one winding undriven, enabling effective operation at low or zero speeds.
Another notable patent is the "Circuit and method for calibration of sensorless control of a permanent magnet brushless motor during start-up." This invention outlines a method for controlling motor switching in a sensorless BLDC motor. Similar to his first patent, this system involves a controller unit that manages how the motor operates by acquiring demodulated measured voltage on the undriven winding and determining when to alter which windings are energized.
Career Highlights
Stephen has built a reputable career with significant accomplishments in major companies such as Texas Instruments Corporation and Cirrus Logic Inc. His work in these organizations has enabled him to develop cutting-edge technologies that have practical implications in the industry. His expertise in motor control has been instrumental in driving innovation in the electronics field.
Collaborations
Throughout his career, Stephen has collaborated with talented individuals, including Marc John Kobayashi and Vadim Valerievich Ivanov. These partnerships have fostered a creative and innovative environment, allowing for the exchange of ideas and the development of impactful inventions.
Conclusion
Stephen James Sanchez stands out as a visionary inventor whose work has paved the way for advancements in motor control technology. With a robust portfolio of patents and a history of collaboration with esteemed professionals, he continues to influence the industry significantly. His dedication to innovation highlights the importance of research and development in driving technological progress.