This inventor holds 1 USPTO granted patent. Top assignee: General Signal Corporation. Active years: 1977.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1977
Title: Innovations of John P LaForest in Railway Technology
Introduction
John P LaForest is a notable inventor based in Conesus, NY (US). He has made significant contributions to railway technology, particularly in the development of alternating current track circuits. His innovative work has enhanced the safety and efficiency of railway operations.
Latest Patents
John P LaForest holds a patent for "Alternating Current Track Circuits." This invention provides a system for several adjoining track sections of a railway track. Each track circuit comprises an alternating current code transmitter and an alternating current code receiver connected to track rails at opposite ends of the associated section. The circuit apparatus includes an alternating current line circuit that communicates alternating current through the rails of the associated track sections. The alternating current is modulated at a selected rate code, ensuring that the current in any two adjoining track sections is of opposite instantaneous polarity for broken down joint protection. Additionally, phase sensing apparatus is provided at the receiving end of each track section, which includes a comparator for comparing the modulated alternating current with a steady reference source. A system with a flip-flop circuit and a low pass filter is also included to energize a track relay in response to a distinctive output of the comparator.
Career Highlights
John P LaForest has worked at General Signal Corporation, where he has been able to apply his innovative ideas in a practical setting. His work has contributed to advancements in railway safety and technology.
Collaborations
Throughout his career, John has collaborated with notable coworkers such as Jerry P Huffman and William A Petit. These collaborations have likely fostered an environment of innovation and creativity, leading to significant advancements in their field.
Conclusion
John P LaForest's contributions to railway technology through his patent on alternating current track circuits demonstrate his innovative spirit and dedication to improving safety in railway operations. His work continues to influence the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile