Douglas H Ulmer

Title: **Douglas H. Ulmer: Innovator in Antenna Technology**

Introduction

Douglas H. Ulmer, an esteemed inventor based in Salt Lake City, UT, has made significant contributions to the field of antenna technology. With a remarkable portfolio of seven patents, Ulmer's innovations focus on enhancing the capabilities and functionalities of radio frequency systems. His latest patents showcase his expertise in developing sophisticated antenna designs that are poised to advance aerospace communication.

Latest Patents

Among his notable inventions is the **Directional Single-Axis Horn-Reflector Antenna**, designed to track the location of in-flight aircraft. This innovative antenna features an upwardly-opening horn with an asymmetric rectangular cross-section and a reflector that may adopt a hyperbolic paraboloid or saddle shape. Notably, the use of a polymer material through an injection molding process allows for a lightweight and durable design. Additionally, the reflective surfaces are treated with a coating of silver-plated copper particles to enhance signal reception. This antenna's design eliminates the need for rotary joints or slip rings by allowing rotation around the longitudinal axis of a stationary waveguide feed.

Another significant patent is the **Radio Frequency Comparator Waveguide System**, which includes a phase-shifting component that creates a relative phase shift between two input signals. This inventive approach empowers the system to combine and manipulate signal A and signal B efficiently, ultimately improving the precision of signal processing in waveguide applications.

Career Highlights

Douglas H. Ulmer is currently a vital member of L-3 Communications Corporation, a leading provider of communication and electronic systems for various industries. His work at L-3 reflects his commitment to advancing technology in telecommunications and military applications.

Collaborations

Ulmer has collaborated with esteemed colleagues in his field, including Neil Kenneth Harker and Scott M. Lyon. These collaborations have fostered an environment of innovation, leading to groundbreaking advancements in antenna technology and beyond.

Conclusion

With his innovative spirit and technical expertise, Douglas H. Ulmer continues to influence the evolution of antenna design and radio frequency systems. His contributions not only showcase his talent as an inventor but also serve as a testament to the importance of continuous advancement in technology.