This inventor holds 4 USPTO granted patents. Top assignee: Dresser Industries, Inc.. Active years: 1991.
Location History:
- Sunnyvale, CA (US) (1991)
- Los Altos, CA (US) (1991)
Company Filing History:
Years Active: 1991
Title: The Innovations of Robert M. Cadwell
Introduction
Robert M. Cadwell is a notable inventor based in Los Altos, California. He has made significant contributions to the field of capacitive transducers, holding a total of 4 patents. His work focuses on enhancing the sensitivity and linearity of capacitive devices, which are crucial in various applications.
Latest Patents
Cadwell's latest patents include a method for controlling the sensitivity and linearity of capacitive devices. This innovation addresses inherent capacitive-type nonlinearities in displacement transducers by introducing an oppositely-sensed nonlinearity. By selecting a diaphragm thickness that defines a specific stiffness, Cadwell's method increases resistance to deflection, balancing nonlinearities for an overall linear output. Another significant patent involves precision capacitive transducer circuits and methods. This invention allows for the determination of deflection in a movable element by measuring capacitance, independent of extraneous capacitance and scaling factors. The method utilizes switching techniques to determine the ratio of differential capacitances, enhancing measurement accuracy.
Career Highlights
Cadwell has had a distinguished career at Dresser Industries, Inc., where he has applied his expertise in capacitive technology. His innovative approaches have led to advancements in the design and functionality of transducers, making them more reliable and efficient.
Collaborations
Throughout his career, Cadwell has collaborated with notable colleagues, including Arthur R. Zias and Barry Block. These partnerships have fostered a creative environment that has contributed to the development of groundbreaking technologies.
Conclusion
Robert M. Cadwell's contributions to the field of capacitive transducers exemplify the impact of innovation in technology. His patents reflect a commitment to improving device performance and accuracy, solidifying his reputation as a leading inventor in his field.