Search Results - zichan+wang

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UWB-PostureGuard: A Privacy-Preserving RF Sensing System for Continuous Ergonomic Sitting Posture Monitoring
UWB-PostureGuard is an ergonomic posture monitoring technology that continuously detects sitting posture without cameras or wearable devices, while preserving user privacy. The technology is designed for real-time use in everyday desk and seated work environments, providing posture awareness and enabling timely feedback when sustained or potentially...
Published: 4/28/2026   |   Updated: 4/28/2026   |   Inventor(s): Haotang Li, Zhenyu Qi, Sen He, Kebin Peng, Sheng Tan, Yili Ren, Tomas Cerny, Jiyue Zhao, Zi Wang
Keywords(s):  
Category(s): Technology Classifications > Software & Information Technology > Health IT, Technology Classifications > Software & Information Technology > Human Machine Interface, Technology Classifications > Healthcare Portfolios, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing
Color Corrector for MODE Optical System
This technology is a system of lenses for use in space telescopes. The optical system combines state-of-the-art optical lens technology with new corrective lenses that address shortcomings in the state-of-the-art optical systems. Background: Telescopes in space that orbit earth are typically used for scientific research and surveillance purposes. The...
Published: 4/23/2026   |   Updated: 8/4/2023   |   Inventor(s): Young Kim, Thomas Milster, Zichan Wang
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design
Segmented Optical Component
This technology combines diffraction and refraction in a multi-order diffractive optical surface that is an extension of Fresnel lens technology that reflects numerous orders of wavelengths in a wide bandwidth that is constrained by the refractive dispersion of the lens. This has the advantage of collecting and focusing broader wavebands of light than...
Published: 4/23/2026   |   Updated: 3/25/2020   |   Inventor(s): Thomas Milster, Young Kim, Zichan Wang
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design