Location History:
- Ji'nan, CN (2018 - 2022)
- Shandong, CN (2020 - 2023)
Company Filing History:
6 out of 10 
2 out of 2 
1 out of 145 Years Active: 2018-2025
Title: Chang Li: Innovator in Acoustic Sensing and Ocean Monitoring
Introduction
Chang Li is a prominent inventor based in Jinan, China. He has made significant contributions to the fields of acoustic sensing and environmental monitoring. With a total of 9 patents, his work showcases innovative solutions that address complex challenges in technology and science.
Latest Patents
One of Chang Li's latest patents is the "Distributed Acoustic Sensing Voice Message Recognition System and Method." This system utilizes a sensing optical fiber to receive and convert voice messages into voice signals. It includes a laser emission unit that emits a narrow linewidth laser signal, a circulator for monitoring the voice signal, and a convolutional recurrent network unit for reconstructing the voice signal from the collected data.
Another notable patent is the "Multi-Wavelength Laser for Synchronously Monitoring Temperature and Pressure of Ocean." This invention employs a pulse controller to convert broadband laser output into pulsed light. It utilizes a phase-shifted fiber Bragg grating unit to demodulate various wavelengths, allowing for the simultaneous monitoring of seawater temperature and pressure.
Career Highlights
Chang Li has worked at the Laser Institute of Shandong Academy of Science and the Laser Institute of Shandong Academy of Sciences. His experience in these institutions has allowed him to develop and refine his innovative technologies.
Collaborations
Throughout his career, Chang Li has collaborated with notable colleagues, including Jiasheng Ni and Ying Shang. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Chang Li's work exemplifies the spirit of innovation in the fields of acoustic sensing and environmental monitoring. His patents reflect a commitment to developing advanced technologies that can have a significant impact on various industries.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.