Company Filing History:
Years Active: 2000-2001
Title: Innovations by Cliff Sui: A Pioneer in Telecommunications
Introduction
Cliff Sui is an accomplished inventor based in Berkeley Heights, NJ (US). He has made significant contributions to the field of telecommunications, holding 2 patents that showcase his innovative spirit and technical expertise. His work primarily focuses on enhancing communication systems and addressing common issues in voice transmission.
Latest Patents
One of Cliff Sui's latest patents is a method and apparatus for analyzing dual tone multi-frequency (DTMF) signals on a private branch exchange (PBX) switch. This invention introduces a touch-tone receiver (TTR) simulator that captures DTMF data received by a PBX switch. The simulator processes the received DTMF signals and allows for step-by-step tracing and recording of the instructions performed, helping to identify the underlying causes of call failure problems.
Another notable patent involves a method for processing telecommunications signals to alleviate echo during voice communication. This invention utilizes circular buffers for near and far end signals, preserving processing time while processing overlapping blocks of samples. The method effectively clips echo based on power spectral matching and replaces it with noise fill, ensuring clearer communication between local and remote talkers.
Career Highlights
Cliff Sui has worked with prominent companies in the telecommunications industry, including AT&T Corp. and Avaya Technology LLC. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in communication technology.
Collaborations
Throughout his career, Cliff has collaborated with talented individuals such as Luis E. Caceres and Linda Ann Seltzer. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in telecommunications.
Conclusion
Cliff Sui's contributions to the field of telecommunications through his patents and collaborations highlight his role as a significant innovator. His work continues to influence the industry, paving the way for future advancements in communication technology.