Yong Ju Park

Title: Yong Ju Park: Innovator in Wireless Power Transfer Technology

Introduction

Yong Ju Park is a notable inventor based in Goyang-si, South Korea. He has made significant contributions to the field of wireless power transfer, holding 2 patents that showcase his innovative approach to technology.

Latest Patents

One of his latest patents is titled "System and method for foreign object detection in wireless power transfer." This invention proposes a system that includes a balanced coil situated between a transmitter coil and a receiver coil, incorporating a Maxwell bridge circuit. The system is equipped with a temperature sensor to measure the temperature of the transmitter coil. Additionally, a processor determines the presence of foreign objects based on voltage values detected at both ends of the bridge circuit. The foreign object detection system can identify foreign objects by finding the maximum resonant frequency at which metal reacts, utilizing resonant frequency sweeping in the bridge circuit.

Another significant patent is "Wireless cooperative charging system and method for increasing power receiving efficiency during simultaneous information and power transfer." This invention provides a power transmission and reception system capable of simultaneously transmitting and receiving data and power. It includes an array antenna with multiple antennas, a radio frequency (RF) unit, and a baseband unit for data transmission and reception. The system also features a slot allocation unit that allocates channels for power transfer and data transmission during a Contention Access Period (CAP). Furthermore, it includes a power supply and beamforming control unit that adjusts the array antenna to beamform the power signal according to a positioning beacon from a power receiving unit.

Career Highlights

Yong Ju Park is affiliated with the Korea Electronics Technology Institute, where he continues to advance research in wireless technologies. His work has been instrumental in developing systems that enhance the efficiency and safety of wireless power transfer.

Collaborations

He collaborates with notable colleagues, including Yong Seok Lim and Yong Seong Kim, who contribute to the innovative environment at the Korea Electronics Technology Institute.

Conclusion

Yong Ju Park's contributions to wireless power transfer technology reflect his commitment to innovation and excellence. His patents demonstrate a forward-thinking approach that addresses contemporary challenges in the field.