This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Chung-Shan Institute of Science and Technology, National Chung Shan Institute of Science and Technology. Active years: 2000-2017.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Taoyuan Hsien, TW (2000 - 2002)
- Longtan Township, Taoyuan County, TW (2009)
- Taoyuan, TW (2017)
- Zhongli, TW (2017)
Company Filing History:
4 out of 253 
2 out of 222 Years Active: 2000-2017
Title: Innovations of Guang-Sheen Liu
Introduction
Guang-Sheen Liu is a notable inventor based in Taoyuan, Taiwan. He has made significant contributions to the field of precision calibration and positioning technologies. With a total of 6 patents to his name, Liu's work has advanced the capabilities of rotary encoders and positioning systems.
Latest Patents
One of Liu's latest patents is a precision calibration method for high-precise rotary encoders. This invention utilizes a laser speckle image capturing module to capture multiple frames of laser speckle images from an optical position surface of a rotary encoding body. By employing image comparison libraries and specially designed mathematical equations, the method calculates primary and secondary variation angles corresponding to the captured images. This allows for precise positioning of the rotary encoding body after rotation.
Another significant patent is the device and method of quick subpixel absolute positioning. This method involves capturing a real-time speckle pattern of a target surface and comparing it with coarse and fine-precision speckle coordinate patterns. The quick comparison enables high precision in subpixel positioning, showcasing Liu's innovative approach to enhancing positioning accuracy.
Career Highlights
Guang-Sheen Liu has worked with esteemed organizations such as the Chung-Shan Institute of Science and Technology and the National Chung Shan Institute of Science and Technology. His experience in these institutions has contributed to his expertise in developing advanced technologies.
Collaborations
Liu has collaborated with notable colleagues, including Yi-Yuh Hwang and Chin-Der Hwang. Their joint efforts have likely fostered innovation and progress in their respective fields.
Conclusion
Guang-Sheen Liu's contributions to precision calibration and positioning technologies reflect his dedication to innovation. His patents demonstrate a commitment to advancing the capabilities of rotary encoders and positioning systems. Liu's work continues to influence the field and inspire future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile