Company Filing History:
10 out of 33 
2 out of 2 Years Active: 1996-2011
Title: **Innovative Contributions of Hyo Sang Lee in Biological and Gas Detection**
Introduction
Hyo Sang Lee, an accomplished inventor based in Silver Spring, MD, has made significant strides in the realm of detection technologies. With a total of 10 patents to his name, his work primarily focuses on advancements in ultraviolet lidar systems and gas detection methods, showcasing his expertise and innovative mindset in the field.
Latest Patents
Among his notable inventions, Hyo Sang Lee's latest patents include:
1. **Ultraviolet Lidar for Detection of Biological Warfare Agents**
This patent describes a sophisticated system and method designed for the detection of airborne agents. Central to the invention is a semiconductor ultraviolet optical source that emits ultraviolet light. The system incorporates a controller that generates a pseudo-random code for modulating the emitted ultraviolet light. It also features a telescope to focus the light to a specified distance and receive backscattered signals and fluorescence signals from the detection range. The method utilizes pseudo-random code modulation to transmit light pulses and subsequently detect the responses, making it a crucial tool for identifying biological threats.
2. **Airborne Tunable Mid-IR Laser Gas-Correlation Sensor**
This invention introduces a method and apparatus aimed at measuring target gas concentrations in an atmosphere. The system works by emitting a laser beam tuned to a specific molecular absorption line of the target gas and capturing reflected signals influenced by gas absorption. It employs a correlation gas cell filled with a known concentration of the target gas, enabling accurate concentration comparisons and measurements through sophisticated optical paths. This technology plays a significant role in environmental monitoring and safety applications.
Career Highlights
Hyo Sang Lee has collaborated with organizations such as Science & Engineering Services, Incorporated and Recon Exploration, where he has honed his skills and further developed his innovative ideas. His contributions in these settings reflect his commitment to advancing detection technologies and contributing to safety and environmental awareness.
Collaborations
During his career, Hyo Sang Lee has worked alongside talented individuals such as Coorg Rangaswamy Prasad and In Heon Hwang. These collaborations have fostered a creative environment that has likely inspired various groundbreaking innovations in their respective fields.
Conclusion
Hyo Sang Lee's contributions to detection systems exemplify the importance of innovation in addressing critical challenges related to biological threats and environmental safety. With a solid portfolio of patents and a passion for technology, he continues to pave the way for advancements that enhance public safety and environmental protection. His work stands as a testament to the power of innovation and its impact on society.