Chang Su Choi

Title: Innovations of Chang Su Choi

Introduction

Chang Su Choi is a notable inventor based in Yongin, South Korea. He has made significant contributions to the field of technology, particularly in the area of RF transceivers and modulation techniques. With a total of three patents to his name, Choi's work reflects a commitment to advancing electronic communication systems.

Latest Patents

One of his latest patents is a vector modulator. This innovative device can control the amplitude and phase of an input signal without using amplitude variable attenuators, instead utilizing phase shifters. The vector modulator features a simple configuration that allows for precise modulation of input signals. Additionally, it can modulate the phase of an input signal across all areas in the polar coordinate system. Another significant patent is for a method and apparatus for detecting offset signals of transmission leakage in RF transceivers. This invention enables simultaneous transmission and reception, measuring the magnitude of transmission leakage mixed into the receiving signal. It sets the maximum and minimum scopes on the I/Q vector phase-plane to detect the offset vector, thereby enhancing the performance of RF transceivers.

Career Highlights

Throughout his career, Chang Su Choi has worked with prominent companies such as LS Industrial Systems Co., Ltd. and Nethom Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced technologies.

Collaborations

Choi has collaborated with talented individuals, including Heon Soo Choi and Hyung Jun Jeon. These partnerships have likely fostered innovation and creativity in his projects.

Conclusion

Chang Su Choi's contributions to the field of technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in electronic communication systems.