Location History:
- Renton, WA (US) (1993 - 1996)
- Bothell, WA (US) (1997 - 1999)
Company Filing History:
Years Active: 1993-1999
Title: The Innovations of John T. Rotunda
Introduction
John T. Rotunda is a notable inventor based in Renton, Washington. He has made significant contributions to the field of motor control systems, particularly in applications for treadmills. With a total of seven patents to his name, Rotunda's work exemplifies innovation in engineering and technology.
Latest Patents
Among his latest patents is the "Variable Speed AC Motor Drive for Treadmill." This invention features a control drive system that adjusts pulse width modulated signals based on the line voltage and load on the AC motor. This ensures that the motor maintains the desired speed under varying conditions. Another significant patent is the "Current Sensing Module for a Variable Speed AC Motor Drive." This module is designed to protect the AC motor from damage by sensing excessive current conditions and monitoring average current values over time.
Career Highlights
John T. Rotunda is currently associated with Quinton Instrument Company, where he continues to innovate and develop advanced motor control technologies. His work has had a profound impact on the design and functionality of exercise equipment, particularly treadmills.
Collaborations
Throughout his career, Rotunda has collaborated with notable colleagues such as Lester A. Hass and Bruce D. Densmore. These partnerships have contributed to the advancement of technology in their respective fields.
Conclusion
John T. Rotunda's contributions to motor control systems highlight his role as a leading inventor in the industry. His innovative patents continue to influence the design and performance of exercise equipment, showcasing the importance of engineering advancements in everyday technology.