Tong-Sen Liew

Title: Innovations of Tong-Sen Liew

Introduction

Tong-Sen Liew is a notable inventor based in Penang, Malaysia. He has made significant contributions to the field of optical positioning systems, holding a total of 3 patents. His work focuses on enhancing the accuracy and resolution of optical sensors, which are crucial in various technological applications.

Latest Patents

Liew's latest patents include an innovative optical positioning system that determines positions based on the last passed edge. This system features a detected surface with interleaved bright and dark regions, an optical sensor, a register, and a processor. The optical sensor captures images of the detected surface while moving relative to it. The processor calculates positions based on the type of edge detected, whether it is a bright-to-dark or dark-to-bright transition. Another significant patent is an optical positioning system that boasts high resolution. This system captures image frames and counts edge pairs between bright and dark regions to determine the alignment of the field of view with these regions.

Career Highlights

Tong-Sen Liew is currently employed at Pixart Imaging Incorporated, where he continues to develop cutting-edge technologies in optical positioning. His expertise in this area has led to advancements that improve the functionality and precision of optical systems.

Collaborations

Liew collaborates with talented coworkers, including Keen-Hun Leong and Ching-Geak Chan. Their combined efforts contribute to the innovative projects at Pixart Imaging Incorporated.

Conclusion

Tong-Sen Liew's contributions to optical positioning systems demonstrate his commitment to innovation and excellence in technology. His patents reflect a deep understanding of optical sensors and their applications, positioning him as a key figure in this field.