Anand K Upadhyay

Title: Innovations of Anand K Upadhyay

Introduction

Anand K Upadhyay is a notable inventor based in Libertyville, IL (US). He has made significant contributions to the field of electronic ballasts, holding a total of 8 patents. His work focuses on enhancing the efficiency and functionality of lighting systems, particularly for gas discharge lamps.

Latest Patents

Among his latest patents is an electronic ballast with a two-step boost converter and method. This electronic ballast is designed for fluorescent lamps and includes a rectifier circuit, a boost converter, and an inverter. The boost converter features a control circuit and a shifting circuit that provides filament preheating. This preheating is achieved by maintaining the boost output voltage at a first level for a predetermined delay period after startup, before increasing the voltage to ignite and operate the lamps. Another significant patent is an inverter control method for electronic ballasts. This method protects the inverter from damage due to lamp fault conditions and enhances noise immunity. It allows for multiple ignition attempts under low-temperature conditions, ensuring reliable lamp operation.

Career Highlights

Anand K Upadhyay has worked with prominent companies such as Motorola Corporation and Motorola Lighting, Inc. His experience in these organizations has contributed to his expertise in electronic lighting solutions.

Collaborations

He has collaborated with notable coworkers, including Guang Rong Liu and Dennis L Stephens, who have also contributed to advancements in the field of electronic ballasts.

Conclusion

Anand K Upadhyay's innovative work in electronic ballasts has significantly impacted the lighting industry. His patents reflect a commitment to improving energy efficiency and reliability in lighting systems.