Company Filing History:
Years Active: 1999-2005
Title: Innovations of Zheng Liu in UTOPIA Interfaces
Introduction
Zheng Liu is an accomplished inventor based in Saratoga, CA (US). He holds a total of 3 patents that showcase his expertise in extending the capabilities of UTOPIA interfaces. His work has significantly contributed to advancements in telecommunications and networking technologies.
Latest Patents
Zheng Liu's latest patents include innovative methods and apparatus for extending the transmission range of UTOPIA interfaces. These methods involve the use of two UTOPIA extension devices, which couple a PHY layer device and an ATM layer device to a transmission cloud. Each device is equipped with a UTOPIA interface emulator, a link controller, and a media transceiver that supports various media types, including backplane, copper cable, optical fiber, and wireless mediums. The UTOPIA extension device also features inlet and outlet buffers for traffic management and clock decoupling buffers to allow operation in different clock domains.
Another notable patent is the multiport non-blocking high capacity ATM and packet switch. This single-chip solution is capable of 8×8 switching at 800 Mbit/s per port in both directions. It supports UTOPIA Level 2 interfaces and incorporates a backpressure mechanism to eliminate congestion, ensuring prioritized and variable size cell and packet switching.
Career Highlights
Throughout his career, Zheng Liu has worked with prominent companies such as Transwitch Corporation and Cisco Technology, Inc. His contributions in these organizations have played a vital role in the development of advanced networking solutions.
Collaborations
Zheng Liu has collaborated with notable professionals in the field, including Ronald P. Novick and Zhenping Tan. These collaborations have further enriched his work and innovations in telecommunications.
Conclusion
Zheng Liu's contributions to the field of telecommunications through his patents and career achievements highlight his significant role as an inventor. His innovative solutions continue to influence the development of networking technologies.