Youngho Kwak

Title: Youngho Kwak: Innovator in Clock Data Recovery Circuits

Introduction

Youngho Kwak is a notable inventor based in Suwon-si, South Korea. He has made significant contributions to the field of electronic systems, particularly in clock data recovery circuits. With a total of 3 patents to his name, his work has advanced the technology used in data transmission and storage.

Latest Patents

One of Youngho Kwak's latest patents is focused on clock data recovery circuits and electronic systems that support data-based clock recovery. This innovative circuit includes a phase-locked loop designed to generate multiple clock signals with unequal phases in response to a received clock signal. Additionally, a phase interpolator is utilized to interpolate the phases of these clock signals during the generation of multiphase sampling clock signals. The patent also describes a sampling clock adjustment circuit that generates data symbols by sampling a received data signal at specific time points. This circuit detects signal levels from data patterns to adjust the phases of the multiphase sampling clock signals accordingly.

Another significant patent involves a storage device that initiates maintenance operations without requiring instructions from the host. This device comprises a controller and several nonvolatile memory devices. The storage device monitors the maintenance conditions of these memory devices internally. Once a maintenance condition is met, the device notifies the external host, allowing the controller to perform maintenance operations with minimal disruption, ensuring reliable data maintenance.

Career Highlights

Youngho Kwak has worked with prominent companies such as Samsung Electronics Co., Ltd. and the Industry-University Cooperation Foundation at Hanyang University. His experience in these organizations has contributed to his expertise in electronic systems and data recovery technologies.

Collaborations

Throughout his career, Youngho has collaborated with talented individuals, including Kwanghee Choi and Hojun Shim. These collaborations have likely enriched his work and led to innovative solutions in his field.

Conclusion

Youngho Kwak is a distinguished inventor whose work in clock data recovery circuits and electronic systems has made a significant impact on technology. His patents reflect his commitment to advancing electronic systems and ensuring reliable data management.