Chung Chuan Liu

Title: Innovations of Chung Chuan Liu

Introduction

Chung Chuan Liu is a notable inventor based in San Jose, CA. He has made significant contributions to the field of digital servo control systems, particularly in disk drive technology. With a total of 3 patents, Liu's work has advanced the efficiency and accuracy of data storage devices.

Latest Patents

Liu's latest patents include innovative technologies such as the "Quadrature servo pattern disk providing asynchronous digital PES." This invention focuses on a digital servo control system that enhances asynchronous servo information signal demodulation. The system features a digital demodulator with a squarer that eliminates any phase component of the digitized servo information signal. Additionally, it includes a burst signal accumulator that compiles squared terms based on respective burst timing intervals, resulting in a digital quadrature position error signal (PES). Another significant patent is the "Asynchronous digital PES demodulation disk drive servo control system," which shares similar features and improvements in the demodulation process.

Career Highlights

Chung Chuan Liu is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of disk drive technology. His work has been instrumental in developing systems that improve data accuracy and reliability.

Collaborations

Liu has collaborated with notable coworkers such as Francis Edward Mueller and Wayne Leung Cheung, contributing to various projects that enhance the capabilities of digital servo systems.

Conclusion

Chung Chuan Liu's contributions to digital servo control systems have significantly impacted the technology behind disk drives. His innovative patents reflect a commitment to advancing data storage solutions.