This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Future Wei Technologies, Inc., Tencent Technology (Shenzhen) Company Limited. Active years: 2012-2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sunnyvale, CA (US) (2013)
- Shenzhen, CN (2012 - 2021)
Company Filing History:


Years Active: 2012-2021
Title: Jizhong Liu: Innovator in Voice Activity Detection and Wavelength Stabilization
Introduction
Jizhong Liu is a prominent inventor based in Shenzhen, China. He has made significant contributions to the fields of voice activity detection and wavelength stabilization technologies. With a total of 3 patents, Liu's work showcases his innovative approach to solving complex technical challenges.
Latest Patents
One of Liu's latest patents is focused on voice activity detection based on entropy-energy features. This application discloses a method that includes receiving speech data, determining energy and spectral entropy of a speech signal, and classifying frames of the speech signal as voiced or unvoiced based on specific thresholds. Another notable patent involves wavelength stabilization and locking for colorless dense wavelength division multiplexing transmitters. This invention comprises a laser transmitter, a filter, a detector, and a temperature controller, which work together to adjust the laser's temperature and align the output light with the filter transmission peak.
Career Highlights
Throughout his career, Jizhong Liu has worked with notable companies such as Future Wei Technologies, Inc. and Tencent Technology (Shenzhen) Company Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Liu has collaborated with talented individuals in his field, including Yu Sheng Bai and Yang Jing Wen. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Jizhong Liu's contributions to voice activity detection and wavelength stabilization highlight his role as an influential inventor. His innovative patents and collaborations reflect his commitment to advancing technology and improving communication systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile