Chang Hee Hong

Title: Innovations by Chang Hee Hong

Introduction

Chang Hee Hong is an accomplished inventor based in Fremont, California. He has made significant contributions to the field of electrical engineering, particularly in power supply management. With a total of three patents to his name, his work demonstrates a commitment to innovation and practical solutions.

Latest Patents

One of Chang Hee Hong's latest patents is the Backup Battery Switch. This invention features a switching circuit designed to seamlessly switch between a main power supply and a battery power supply. The circuit includes a comparator that compares the voltage levels of both power sources and provides a selection signal. This signal controls p-channel transistors that manage the power transfer, ensuring efficient operation.

Another notable patent is the Battery Backed Configurable Output Buffer. This invention provides a reliable output signal even during battery operation. The buffer includes a regular output buffer for main power operation and a configurable output buffer that delivers a predetermined signal during battery use. This dual functionality enhances the reliability of electronic devices during power fluctuations.

Career Highlights

Chang Hee Hong is currently employed at Waferscale Integration, Inc., where he continues to develop innovative solutions in power management. His work has been instrumental in advancing technologies that require reliable power supply systems.

Collaborations

Throughout his career, Chang has collaborated with notable colleagues, including Boaz Eitan and John H Pasternak. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Chang Hee Hong's contributions to the field of electrical engineering through his patents reflect his dedication to innovation. His work not only enhances the functionality of electronic devices but also sets a standard for future advancements in power management.