Won Gyu Lim

Title: Innovations by Won Gyu Lim

Introduction

Won Gyu Lim is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of security technology, particularly through his innovative patents. With a total of 2 patents, Lim's work focuses on enhancing security measures using advanced electromagnetic bandgap (EBG) patterns.

Latest Patents

Lim's latest patents include a unique electromagnetic bandgap pattern structure and a method for manufacturing it. This EBG pattern structure consists of a nonconductive substrate with a pattern assembly formed on it. The structure features regularly arranged closed-loop and open-loop patterns made of conductive material. This innovation can be utilized to create new security products by leveraging its frequency characteristics for securities or IDs. It plays a crucial role in security technologies aimed at preventing forgery and alteration by allowing the creation of various security codes through adjustments to the EBG pattern variables.

Another significant patent by Lim is an apparatus for recognizing a security code that incorporates an electromagnetic bandgap pattern. This apparatus utilizes the reflection and transmission characteristics of the EBG pattern. It includes a voltage-controlled oscillator that generates a signal, which is then divided and transmitted through a waveguide to interact with the EBG pattern. The reflected signal is analyzed to detect phase differences, enabling the recognition of security codes based on the EBG pattern.

Career Highlights

Lim is currently employed at the Korea Minting, Security Printing & ID Card Operating Corporation. His work at this organization allows him to apply his innovative ideas in practical applications, contributing to advancements in security technology.

Collaborations

Some of Lim's coworkers include Jong Won Yu and Hyeong Seok Jang, who collaborate with him on various projects within the company.

Conclusion

Won Gyu Lim's contributions to the field of security technology through his innovative patents demonstrate his commitment to enhancing security measures. His work continues to influence the development of advanced security products and technologies.