Company Filing History:
Years Active: 2014-2025
Title: Hyung Jun Chae: Innovator in Battery Technology
Introduction
Hyung Jun Chae is a notable inventor based in Seoul, South Korea. He has made significant contributions to the field of battery technology, holding 2 patents that showcase his innovative approach to electrical engineering.
Latest Patents
One of his latest patents is a "Battery switch driving circuit." This invention includes a first battery input terminal and a second battery input terminal, with a converter positioned between them. A first switch is placed between the second battery input terminal and the converter to cut off power input when turned off. The switch driving unit, which turns on the first switch, comprises a first capacitor charged or discharged according to the on/off state of a second switch operated by a PWM signal, and a second capacitor charged by the voltage from the first capacitor.
Another significant patent is the "Control circuit for discontinuous conduction mode power factor correction converter using harmonic modulation." This control circuit features a first difference circuit that calculates the difference between the output voltage of the converter and a reference voltage. It also includes a PI converter for proportional integral control, a second difference circuit for outputting a difference between the rectified input voltage and a harmonic modulation factor DC voltage, and a multiplication circuit that generates a PFC control signal for the converter's switch.
Career Highlights
Hyung Jun Chae has worked with prominent companies such as LG Innotek Co., Ltd. and Mando Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the field of electrical engineering.
Collaborations
Throughout his career, he has collaborated with talented individuals, including Ui Jong Kim and Jun Young Lee. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Hyung Jun Chae is a distinguished inventor whose work in battery technology has made a significant impact. His patents reflect his innovative spirit and dedication to advancing electrical engineering.