Hongquan Liu

Title: Innovations of Hongquan Liu

Introduction

Hongquan Liu is a notable inventor based in Shanghai, China. He has made significant contributions to the field of vehicle navigation systems and satellite navigation technology. With a total of 2 patents, Liu's work focuses on enhancing the efficiency and accuracy of navigation systems.

Latest Patents

Liu's latest patents include a "Method and apparatus for efficiently determining positional states of a vehicle in a vehicle navigation system." This invention provides a system for detecting movement that incorporates a moving state detector, a profile-based movement state detector, and a refined movement state detector. The moving state detector generates a moving state based on detected speed, while the profile-based movement state detector estimates movement states based on the moving state and detected accelerations. The refined movement state detector generates a refined movement state based on detected angular velocity in response to a predetermined triggering movement state.

Another significant patent is for "Systems and methods for clock calibration for satellite navigation." This invention outlines a satellite navigation system that includes a timing component for determining a counting period for clock calibration. It features a counter network that determines the number of local and external clock periods during the counting period, and a processor that performs calibration for the local clock based on these numbers.

Career Highlights

Throughout his career, Hongquan Liu has worked with reputable companies such as Marvell International Limited and Marvell World Trade Ltd. His experience in these organizations has contributed to his expertise in navigation technologies.

Collaborations

Liu has collaborated with notable coworkers, including Zhike Jia and Jiangping Deng, who have also contributed to advancements in related fields.

Conclusion

Hongquan Liu's innovative patents and career achievements highlight his significant role in the development of navigation technologies. His work continues to influence the industry and pave the way for future advancements.