This inventor holds 2 USPTO granted patents. Top assignee: Northern Telecom Limited. Active years: 1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1998
Title: Innovations of Zhuo-Hui Chen in Surface Wave Devices
Introduction
Zhuo-Hui Chen is a notable inventor based in Kanata, Canada. He has made significant contributions to the field of surface wave devices, holding 2 patents that showcase his innovative approach to wireless communications technology.
Latest Patents
His latest patents include a surface wave device with capacitance and cascaded surface wave device filters providing balanced and unbalanced connections. The first patent describes a surface wave device filter that utilizes two 2-pole waveguide coupled double mode resonators (WCRs) connected in cascade. This design allows for a narrower filter passband, improving out-of-band rejection, which is essential for intermediate frequency channel filters in wireless communications systems. The innovative use of shunt capacitance, created by interdigital fingers on the same piezoelectric substrate, enhances the device's performance while minimizing surface wave interference.
The second patent focuses on a cascaded surface wave device filter that comprises two 2-pole filters connected in cascade. These filters provide a balun function between balanced and unbalanced signal connections, effectively reducing electromagnetic feedthrough and improving spurious mode suppression. This technology is particularly beneficial for filtering at radio and intermediate frequencies in cellular radio equipment.
Career Highlights
Zhuo-Hui Chen is currently employed at Northern Telecom Limited, where he continues to develop cutting-edge technologies in the telecommunications sector. His work has significantly impacted the efficiency and effectiveness of wireless communication systems.
Collaborations
He has collaborated with notable coworkers such as Ji-Dong Dai and Yufeng Xu, contributing to the advancement of surface wave technology.
Conclusion
Zhuo-Hui Chen's innovative work in surface wave devices exemplifies the importance of research and development in the telecommunications industry. His patents reflect a commitment to enhancing wireless communication technologies, making him a key figure in this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile