Richard A Keller

Title: Richard A Keller: Innovator in Power Supply Technology

Introduction

Richard A Keller is a notable inventor based in Palo Alto, CA, with a focus on innovations in power supply technology. He holds a total of 4 patents that showcase his expertise in designing efficient switching power supplies. His contributions have significantly impacted the field of electrical engineering.

Latest Patents

Keller's latest patents include a linear load circuit designed to control switching power supplies under minimum conditions. This invention features a transformer with a primary and two secondaries, a switching transistor, and a feedback control circuit that ensures a constant output power. The monitor within the system detects when the power level drops to a predetermined minimum and activates a load to maintain efficiency. Another significant patent involves below ground current sensing with a control threshold. This design incorporates a sensing resistor and a comparator to prevent current increases, ensuring the safety and reliability of the power supply.

Career Highlights

Throughout his career, Richard A Keller has worked with prominent companies such as Power Integrations, Inc. and Boschert Associates. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in power supply technology.

Collaborations

Keller has collaborated with notable professionals in the field, including Balu Balakrishnan and Leif O Lund. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Richard A Keller's contributions to power supply technology through his patents and collaborations highlight his role as a significant innovator in the field. His work continues to influence advancements in electrical engineering and power management systems.