This inventor holds 2 USPTO granted patents. Top assignees: At&t Bell Laboratories, Nms Communications Corporation. Active years: 1985-2005.
Company Filing History:
Years Active: 1985-2005
Title: Innovations of Ronald H Tegethoff
Introduction
Ronald H Tegethoff is a notable inventor based in Tinton Falls, NJ (US). He has made significant contributions to the field of telecommunications, particularly in echo cancellation technology. With a total of 2 patents, his work has had a lasting impact on the industry.
Latest Patents
Tegethoff's latest patents include the "Long-haul path length delay estimator and compensator for an echo canceller." This apparatus is designed for use in long-haul echo control devices, allowing for automatic measurement of changes in path length and compensation for variations in echo. It measures round-trip path delay intervals of predefined signaling tones sent between international switching centers during outbound call connections. The apparatus adjusts the echo delay of the corresponding long-haul echo canceller to accommodate the measured delay. For multi-channel facilities, such as T1 or E1, path delay is measured separately for each channel, ensuring optimal performance across all channels.
Another significant patent is the "Echo suppressor for improving echo canceler performance." This echo suppressor monitors signal levels in the working environment of an echo canceler to prevent spurious transient responses. These responses often occur when the echo canceler has not yet adapted, particularly at the start of a call. The suppressor includes a comparator that detects the presence of output without an actual transmit input signal, operating a switch to prevent transient echo from propagating on the transmit path.
Career Highlights
Throughout his career, Ronald H Tegethoff has worked with prestigious organizations, including AT&T Bell Laboratories and NMS Communications Corporation. His experience in these companies has allowed him to develop and refine his innovative technologies in telecommunications.
Collaborations
Due to space constraints, the collaborations section will be omitted.
Conclusion
Ronald H Tegethoff's contributions to echo cancellation technology have significantly advanced telecommunications. His innovative patents continue to influence the industry and improve communication systems worldwide.