An Chang

Title: An Chang - Innovator in Air Quality Monitoring

Introduction

An Chang is a notable inventor based in Cambridge, MA, who has made significant contributions to the field of air quality monitoring. His innovative work focuses on systems and methods designed to capture and analyze particulate matter in the air. With a keen interest in environmental technology, Chang's inventions aim to enhance our understanding of air pollution and its effects on health.

Latest Patents

An Chang holds a patent for "Systems and methods for monitoring air particulate matter." This patent describes a sophisticated approach to capturing particles from the air for analysis. The system utilizes electrostatic and mechanical means to deflect particles toward a substrate. Electrostatic precipitation is employed to attract charged particles to a charged substrate, while filtration-based methods use filters and fibers to capture airborne particles. A sensor, such as a camera, reads the captured particles, and an illumination source directs light towards the substrate, allowing for the detection and analysis of the particles. The system also features dynamic monitoring capabilities, adjusting parameters related to air volume and substrate replenishment.

Career Highlights

An Chang is affiliated with the Massachusetts Institute of Technology, where he continues to work on innovative projects related to air quality and environmental monitoring. His research contributes to the advancement of technologies that can help mitigate the impacts of air pollution.

Collaborations

An Chang collaborates with Rohit Nandkumar Karnik, working together to push the boundaries of air quality research and technology.

Conclusion

An Chang's work in monitoring air particulate matter represents a significant advancement in environmental technology. His innovative systems not only enhance our understanding of air quality but also pave the way for future developments in pollution analysis and mitigation.