Fairfax County, VA, United States of America

John Houldsworth

This inventor holds 1 USPTO granted patent. Top assignee: Eurotherm Controls, Inc.. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Houldsworth. Retrieved from https://idiyas.com/inventor/john-houldsworth-edcn22nc

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 43(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: The Innovations of John Houldsworth

Introduction

John Houldsworth is a notable inventor based in Fairfax County, Virginia. He has made significant contributions to the field of communication systems, particularly with his innovative approach to analog and digital communication.

Latest Patents

Houldsworth holds a patent for a two-way, two-wire analog/digital communication system. This system utilizes a pulse density signaling input/output (PDSIO) scheme to facilitate communication between a master port and one or more slave ports over a twisted pair of wires. The master port transmits logic pulses that appear as a direct current (d.c.) logic signal, while also powering the slave port. The slave port, in turn, communicates back to the master port using pulsed current modulation, effectively multiplexing data on the pulse signals.

Career Highlights

Houldsworth is currently employed at Eurotherm Controls, Inc., where he continues to develop and refine communication technologies. His work has been instrumental in advancing the capabilities of hybrid analog/digital systems.

Collaborations

Throughout his career, Houldsworth has collaborated with notable colleagues such as Joseph I Field, Jr. and Geoffrey Bollinger Cox. These partnerships have contributed to the successful development of innovative communication solutions.

Conclusion

John Houldsworth's contributions to the field of communication technology exemplify the spirit of innovation. His patent for a two-way, two-wire communication system showcases his expertise and commitment to advancing technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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