This inventor holds 3 USPTO granted patents. Top assignees: Thorn Emi Plc, Emi, LLC. Active years: 1987-1991.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Maidenhead, GB (1987 - 1990)
- Marlow Bottom, GB (1991)
Company Filing History:
Years Active: 1987-1991
Title: The Innovations of Francis R Trumble
Introduction
Francis R Trumble is a notable inventor based in Maidenhead, GB. He has made significant contributions to the field of technology, particularly in the development of advanced electronic components. With a total of 3 patents to his name, Trumble's work showcases his innovative spirit and technical expertise.
Latest Patents
One of Trumble's latest patents is a discharge tube arrangement. This invention includes a discharge tube containing a fill and means for generating a discharge in the fill from a source of radio frequency (r.f.) power. An electrically conductive structure surrounds the discharge tube, formed of a plurality of waveguides that extend outwardly from the tube. Notably, one or more waveguides have a cross-sectional area that increases with separation from the discharge tube, supporting the propagation of electromagnetic radiation above a cut-off frequency.
Another significant patent is an antenna design. This antenna features a resonant cavity defined by electrically conducting plates and a sidewall. It includes sixteen helical antenna elements, each with five turns in the helical section and a probe at the opposite end. The design promotes the formation of standing waves of different modes, enhancing the frequency range of the array.
Career Highlights
Throughout his career, Trumble has worked with prominent companies such as Thorn EMI Plc and EMI, LLC. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Trumble has collaborated with notable individuals in the field, including Walter J Axford and Charles W Turner. These partnerships have likely enriched his work and led to further advancements in technology.
Conclusion
Francis R Trumble's contributions to the field of technology through his patents and collaborations highlight his role as an influential inventor. His innovative designs continue to impact the industry and inspire future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile