John E DeFiore

Title: Inventor Spotlight: John E. DeFiore

Introduction

John E. DeFiore, a notable inventor based in Sunnyvale, California, has made significant contributions to the fields of power supply technology and optical recording systems. With a portfolio that includes two patents, DeFiore has demonstrated a commitment to advancing electronic innovation.

Latest Patents

DeFiore's latest patents showcase his ingenuity in addressing complex technological challenges. The first patent is for a **Digitally Controlled Switchmode Power Supply**, which utilizes a pulse width modulated (PWM) controlled field effect transistor to manage electrical energy efficiently. This design allows for a controllable DC output voltage by switching an inductor, ensuring optimal performance even with varying current levels. The system is capable of automatically switching between buck and boost modes based on input voltage conditions, enhancing its versatility and reliability.

The second patent focuses on a **Charge Pump for Restoring DC in an Optical Recording Read Channel**. This invention is integral to the function of optical recording systems, enabling a DC-restored read signal that improves the quality of read pulses. The innovative design includes a differentiator and a DC restore circuit that maintains a constant DC level by adjusting the charge of a capacitor based on the detected pulse peaks. This enhancement ensures that only valid pulses are processed, significantly improving the efficiency of the read channel.

Career Highlights

Throughout his career, John E. DeFiore has worked with notable companies such as Adept Power Systems, Inc. and Maxoptix Corporation. His experience spans various aspects of electronic innovations, allowing him to apply his expertise in developing advanced technologies that address the needs of the industry.

Collaborations

DeFiore has collaborated with talented professionals, including Ronald G. Vinsant and Donald F. Johann. These partnerships have contributed to the development of cutting-edge technologies and have enriched his experience in the field of electronic engineering.

Conclusion

John E. DeFiore stands out as a remarkable inventor whose work continues to impact the technology landscape. His patents reflect a deep understanding of electronic systems and a dedication to improving performance through innovative solutions. As the industry evolves, DeFiore's contributions will undoubtedly inspire future advancements in power supply and optical recording technologies.