Myung-Jun Lee

Title: Myung-Jun Lee: Innovator in Power Supply Technology

Introduction

Myung-Jun Lee is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of power supply technology, holding 2 patents that showcase his innovative approach to electrical engineering.

Latest Patents

One of his latest patents is for a low-noise switching power supply. This invention features a transformer with a primary winding connected to a pair of a.c. input terminals via a rectifier circuit. The secondary winding is linked to a pair of d.c. output terminals through a rectifying and smoothing circuit. A switch is employed to maintain a constant d.c. output voltage by turning on and off, while a smoothing capacitor and a bypass capacitor are utilized for noise reduction. The bypass capacitor is designed to have less capacitance than the smoothing capacitor, enhancing the overall efficiency of the power supply.

Another notable patent by Myung-Jun Lee is a switching power supply system intended for primary and secondary loads in television receivers. This system powers both the main electric circuitry of the TV and a remote control receiver circuit. It includes a transformer with a primary winding connected to a direct current power supply via a switching transistor. The design allows for reduced switching loss when the main TV circuitry is not in use, optimizing energy consumption.

Career Highlights

Myung-Jun Lee is currently employed at Sanken Electric Co., Ltd., where he continues to develop innovative solutions in power supply technology. His work has significantly impacted the efficiency and performance of electronic devices.

Collaborations

Throughout his career, Myung-Jun Lee has collaborated with notable colleagues, including Mitsuo Ueki and Koichi Morita. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Myung-Jun Lee's contributions to power supply technology through his patents reflect his dedication to innovation and efficiency. His work continues to influence the electronics industry, paving the way for advancements in energy management.