Chang-Hwa Lee

Title: Chang-Hwa Lee: Innovator in Dielectric Filter Technology

Introduction

Chang-Hwa Lee is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of dielectric filter technology, holding three patents that showcase his innovative designs and engineering expertise.

Latest Patents

One of his latest patents is a dielectric filter having a notch pattern. This invention includes a dielectric block with a ground face plated with conductive metal, except for the upper face and specific side portions. It features numerous patterns plated with conductive metal on the upper face, an input electrode for external signal input, and at least two resonators that resonate and transfer signals. Another notable patent is the dielectric microwave filter, which comprises a dielectric body, a trinity of resonant slots, and cavities for signal transmission. This filter is designed to accommodate miniaturized structures while preserving overall performance through inductive coupling between resonators.

Career Highlights

Chang-Hwa Lee has worked with reputable organizations such as the Electronics and Telecommunications Research Institute and Korea Telecommunication. His experience in these institutions has allowed him to refine his skills and contribute to advancements in telecommunications technology.

Collaborations

He has collaborated with notable colleagues, including Dong-Suk Jun and Sang-Seok Lee, further enhancing his work in the field.

Conclusion

Chang-Hwa Lee's innovative contributions to dielectric filter technology demonstrate his expertise and commitment to advancing telecommunications. His patents reflect a deep understanding of engineering principles and a drive for innovation in the industry.