Company Filing History:
Years Active: 1990-1993
Title: The Innovations of Russell H. Jacobs
Introduction
Russell H. Jacobs is a notable inventor based in Thousand Oaks, California, who has made significant contributions to the field of digital storage systems. With three patents to his name, his work focuses primarily on enhancing the efficiency and performance of hard disk drives.
Latest Patents
Among his latest inventions is the "Drive Motor Controller for Low Power Disk Drive," which introduces a hard disk drive digital storage system that boosts power efficiency. This patent utilizes a switching regulator type DC to DC power converter to control spindle motor speed. It features a variable duty cycle, low 'ON' resistance n-channel power MOSFET transistor strategically placed near the ground side of the motor drive circuit. The innovative design includes a voltage booster circuit that delivers higher gate control switching voltages to the motor power phase commutation transistors, and a sense resistor that allows the motor control circuit to regulate peak current through the converter.
Another significant patent by Jacobs is the "Low Power Disk Drive Spindle Motor Controller." This invention aims to reduce energy losses in digital storage systems by employing a switching regulator type power supply alongside a variable duty cycle, low resistance n-channel field effect transistor located near the ground side of the motor drive circuit. The voltage booster circuit in this design enhances switching voltages to the motor power phase control transistors, showcasing Jacobs's commitment to optimizing hard disk drive performance.
Career Highlights
Russell H. Jacobs is employed at Micropolis Corporation, where his expertise in hard disk drive technology continues to shape the future of digital storage. His innovative approaches have not only enhanced operational efficiency but have also set a precedent for future advancements in the sector.
Collaborations
Throughout his career, Jacobs has collaborated with esteemed professionals such as Bipin V. Gami and Ashok K. Desai. These partnerships have facilitated the exchange of knowledge and ideas, fostering a collaborative environment that has led to the success of several groundbreaking projects.
Conclusion
Russell H. Jacobs stands out as an influential figure in the realm of digital storage systems. His innovative patents reflect a deep understanding of technology and a commitment to improving energy efficiency. As the industry continues to evolve, Jacobs's work is likely to remain instrumental in shaping the future of hard disk drives.