Ronald H Johnston

Title: Innovations of Ronald H Johnston

Introduction

Ronald H Johnston is a notable inventor based in Calgary, Canada. He has made significant contributions to the field of antenna technology, holding a total of seven patents. His work has advanced the understanding and functionality of dual circularly polarized antennas.

Latest Patents

One of his latest patents is a dual circularly polarized antenna. This invention describes an antenna that includes a waveguide with an aperture at one end and a conducting component at the other end, which shorts the waveguide. The design features a first driven dipole that is substantially orthogonal to a second driven dipole, both located near the waveguide's aperture. These dipoles are connected to the conducting component by one or more plates and are configured to be fed in quadrature. Additionally, a resonator is positioned near the first and second driven dipoles. Another patent also focuses on a dual circularly polarized antenna, which includes a waveguide with similar features, emphasizing the importance of the orthogonal dipoles operating close to the dominant mode cut-off frequency.

Career Highlights

Throughout his career, Ronald has worked with prominent organizations such as Telecommunications Research Laboratories and Uti Limited Partnership. His experience in these companies has allowed him to refine his skills and contribute to innovative projects in telecommunications.

Collaborations

Ronald has collaborated with talented individuals in his field, including Edwin Tung and Elise Fear. Their combined expertise has likely fostered a creative environment that encourages innovation.

Conclusion

Ronald H Johnston's contributions to antenna technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in telecommunications and antenna design.