Robert W McDonald

Title: The Innovations of Robert W. McDonald

Introduction

Robert W. McDonald is a notable inventor based in Chicago, Illinois. He has made significant contributions to the field of electrical engineering, particularly in the development of current measuring apparatuses. With a total of two patents to his name, McDonald has demonstrated a commitment to innovation and technological advancement.

Latest Patents

McDonald's latest patents include a "Current Measuring Apparatus and Method" and a "Voltage Supply Apparatus Powered from a Vehicular Electrical System." The current measuring apparatus describes an improved method for measuring the flow of current through a conductor using a Hall generator. This apparatus employs a constant current source with feedback to enhance measurement accuracy. It utilizes operational amplifiers that float in relation to the power supply, amplifying the Hall generator's output voltage to drive a meter. This technology can also detect defects in vehicular alternators by measuring fluctuating components of the output current. The design features a unique hollow, cylindrical, coiled strip of metal made from nickel, molybdenum, and iron, which concentrates the magnetic field generated by the current. The voltage supply apparatus, on the other hand, includes a series regulating transistor that supplies voltage to a bus from a vehicular battery, with circuitry that samples voltage to generate a correction signal for controlling the transistor's operation.

Career Highlights

Robert W. McDonald is currently associated with Sun Electric Corporation, where he continues to innovate and contribute to advancements in electrical systems. His work has had a significant impact on the efficiency and reliability of vehicular electrical systems.

Collaborations

Throughout his career, McDonald has collaborated with notable colleagues such as Richard A. Karlin and Gary F. Comiskey. These collaborations have likely enriched his work and contributed to the development of his patented technologies.

Conclusion

Robert W. McDonald is a distinguished inventor whose work in electrical engineering has led to significant advancements in current measurement and voltage supply systems. His contributions continue to influence the field and enhance the functionality of vehicular electrical systems.