James J Stipanuk

Title: The Innovative Contributions of James J. Stipanuk

Introduction

James J. Stipanuk, an accomplished inventor based in Chandler, AZ, has made significant contributions to the field of electrical engineering through his innovative patents. With a total of six patents to his name, Stipanuk has specialized in designing circuits that enhance the performance and efficiency of various electronic systems.

Latest Patents

Among his latest patents, Stipanuk has developed a "High Voltage Bridge Interface." This invention features a high voltage bridge interface circuit catering to AC and brushless DC motor control. It incorporates a high voltage isolation circuit and drive circuits designed to simplify interfaces and reduce integration effort. The isolation circuit ensures unilateral isolation between the control circuit and high voltage power supply conductors, while the drive circuits enhance noise immunity at the gate terminals of the power MOSFET bridge. The integration of discrete components into one IC further streamlines overall system integration.

Additionally, he has invented a "Circuit for Biasing Row of Memory Cells." This circuit effectively selects a row of memory cells in an array, significantly reducing selection time and eliminating the necessity of a regulated voltage for biasing an active load. The design utilizes the capacitive charge on the lower word line, making the selection process more efficient. The array comprises a first voltage terminal, a second voltage terminal, multiple word lines, bit lines, and memory cells arranged in a matrix.

Career Highlights

Stipanuk's professional journey prominently features his association with Motorola Corporation, where he has contributed his expertise to various projects. His inventions have not only bolstered the company’s product offerings but have also advanced the technological landscape in which they operate.

Collaborations

Throughout his career, Stipanuk has collaborated with notable colleagues, including Mark S. Birrittella and Robert Bruce Davies. These collaborations have fostered an environment of innovation and have led to the successful development of groundbreaking technologies.

Conclusion

James J. Stipanuk's inventive spirit and dedication to advancing electrical engineering are evident in his patents and collaborative efforts. His work continues to have a lasting impact on the industry, showcasing the importance of innovation and teamwork in driving technological progress.