Company Filing History:
Years Active: 2017-2020
Title: Innovations of Zaohong Yang
Introduction
Zaohong Yang is a notable inventor based in Plano, TX (US). He has made significant contributions to the field of power conversion technology, holding a total of 6 patents. His work focuses on enhancing the efficiency and performance of transformer-based switching power converters.
Latest Patents
One of his latest patents is titled "Voltage slew rate limiters for transformer-based switching power converters." This invention involves a slew rate limiter that is coupled to the switching stage of a transformer-based switching power converter. It is designed to limit the rate of change of voltage across the switching devices, thereby reducing voltage spikes on the secondary winding. The limiter can selectively operate during startup, waking from burst mode, or when zero voltage switching is unavailable. It includes circuit elements that alter the time constant of the gate drive circuit to increase the turn-on transition time of the switching devices.
Another significant patent is the "High efficiency primary and secondary bias flyback converter with dual outputs." This invention relates to flyback transformer-based power converters that can provide multiple output voltage levels. Specifically, it allows for output voltage changes from 12V to 20V based on the charging device's request. The design incorporates a bias circuit that monitors the output voltage level to improve the efficiency of the flyback converter. It includes components such as comparators and microcontrollers to compare output voltage levels and provide necessary bias voltages.
Career Highlights
Zaohong Yang is currently employed at Apple Inc., where he continues to innovate in the field of power conversion. His work has been instrumental in developing technologies that enhance the efficiency and functionality of electronic devices.
Collaborations
He has collaborated with notable colleagues, including Bogdan Tudor Bucheru and Marco A Davila, Jr. Their combined expertise contributes to the advancement of technology in their respective fields.
Conclusion
Zaohong Yang's contributions to power conversion technology through his patents and work at Apple Inc. highlight his role as a significant inventor in the industry. His innovations continue to impact the efficiency and performance of electronic devices.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.