David Johnson

Title: Innovations by David Johnson

Introduction

David Johnson is an accomplished inventor based in Roanoke, Virginia. He has made significant contributions to the field of telecommunications, particularly in the analysis and qualification of copper pair lines for xDSL service use. His innovative approach has led to the development of a unique patent that addresses critical aspects of line analysis.

Latest Patents

David Johnson holds a patent for a "System and method for single-ended line analysis for qualification and mapping." This patent outlines a method for determining the suitability of a copper pair line for xDSL service. The system measures various characteristic parameters, including wire gauge, length, and temperature of the copper pair line. Additionally, it tests for short circuits, longitudinal balance, load coils, wideband noise, and loop attenuation. A plant map of the copper pair line is created based on these measurements, which is then used to determine a transfer function representative of the line's characteristics.

Career Highlights

David Johnson has had a notable career at Acterna LLC, where he has applied his expertise in telecommunications. His work has been instrumental in enhancing the understanding and qualification of copper pair lines, which are essential for providing reliable xDSL services. His innovative solutions have contributed to the advancement of telecommunications technology.

Collaborations

David has collaborated with several professionals in his field, including David R. Smith and Richard Liberman. These collaborations have fostered a productive environment for innovation and have led to further advancements in telecommunications.

Conclusion

David Johnson's contributions to the field of telecommunications through his innovative patent and career at Acterna LLC highlight his role as a significant inventor. His work continues to impact the industry positively, ensuring the reliability of xDSL services.