Patrick G O'Farrell

Title: Innovations by Patrick G O'Farrell

Introduction

Patrick G O'Farrell is a notable inventor based in Plano, TX, who has made significant contributions to the field of electronics. He holds 2 patents that showcase his expertise in circuit design and current sensing technologies. His work primarily focuses on improving the accuracy and efficiency of electronic components.

Latest Patents

O'Farrell's latest patents include innovative designs for trim circuitry and methods for accuracy improvement in current sensing. One of his patents describes a circuit and method for providing a drive current to a voice coil, which positions the head of a disk drive. This invention includes driver circuitry that controls currents flowing in the voice coil and incorporates sense current circuits for monitoring and adjusting these currents. Another patent details a motor driver circuit designed to provide drive signals to stator coils of a polyphase DC motor. This design features multiple current paths and sensing transistors that produce mirror currents, allowing for precise control of the driver transistors.

Career Highlights

Patrick G O'Farrell is currently employed at Texas Instruments Corporation, a leading company in the semiconductor industry. His work at Texas Instruments has allowed him to develop and refine his innovative ideas, contributing to advancements in electronic circuitry.

Collaborations

Throughout his career, O'Farrell has collaborated with notable colleagues, including Rolf Lagerquist and William Robert Krenik. These collaborations have likely enriched his work and led to further innovations in the field.

Conclusion

Patrick G O'Farrell's contributions to electronics through his patents and work at Texas Instruments Corporation highlight his role as a significant inventor in the industry. His innovations continue to influence the development of advanced electronic systems.