Company Filing History:
Years Active: 2014-2017
Title: Innovations by Philip Walker in Power Conversion Technology
Introduction
Philip Walker is an accomplished inventor based in Manchester, TN (US), known for his significant contributions to power conversion technology. With a total of three patents to his name, Walker has demonstrated a commitment to advancing the efficiency and functionality of electronic devices.
Latest Patents
One of Walker's latest patents is focused on reducing output ripple current and protecting inverter switches during non-zero voltage switching for isolated buck converters. This innovation ensures that the output inductor of the isolated buck converter operates in a continuous current mode, which is crucial for maintaining performance. The patent outlines various methods, including shifting the frequency of operation based on output current, employing pulse density modulation to minimize off time, and utilizing a step gap core for the output inductor to optimize inductance based on load current.
Another notable patent by Walker is for a lighting device with a circuit and method for detecting power converter activity. This invention includes a power factor correction (PFC) circuit that effectively manages the operation of lighting devices such as electronic ballasts or LED drivers. The detection circuit ensures that the lighting device remains operational during temporary mains power interruptions, enhancing reliability and user experience.
Career Highlights
Walker is currently employed at Universal Lighting Technologies, Inc., where he continues to innovate in the field of lighting and power conversion. His work has significantly impacted the efficiency and reliability of lighting systems, making them more adaptable to varying power conditions.
Collaborations
Throughout his career, Walker has collaborated with notable colleagues, including Stephen D Mays, II and Steve Mays. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
Philip Walker's contributions to power conversion technology through his patents reflect his dedication to innovation and improvement in electronic devices. His work not only enhances the functionality of lighting systems but also sets a standard for future advancements in the field.