Douglas Allan Pietila

Title: Innovations by Douglas Allan Pietila in Phased Array Antenna Technologies

Introduction

Douglas Allan Pietila, an innovative inventor based in Puyallup, Washington, has made significant contributions in the field of phased array antenna technologies. With a total of nine patents to his name, his work embodies cutting-edge advancements that address the modern challenges of antenna integration and efficiency.

Latest Patents

Douglas's latest patents include notable inventions such as "Radio Frequency Chokes for Integrated Phased-Array Antennas." This invention describes a method of integrating transmit (Tx) and receive (Rx) phased-array antennas onto an electrically conductive plate that serves as a ground plane. The design incorporates grooves that function as RF chokes, effectively mitigating energy coupling between the Tx and Rx antennas. This dynamic energy interaction varies according to the relative scan angles and side lobe energy patterns, a significant enhancement for electronically scanned antennas.

Another impactful patent is the "Scalable Planar Packaging Architecture for Actively Scanned Phased Array Antenna System." This invention proposes a scalable phased array antenna subarray tile assembly implemented as a printed wiring board (PWB). It effectively integrates antenna elements with integrated circuit die, ensuring improved thermal and mechanical stress relief, which is crucial for the performance of modern antenna systems.

Career Highlights

Throughout his career at The Boeing Company, Douglas has been at the forefront of antenna technology innovations. His expertise and commitment to developing efficient antenna solutions have positioned him as a notable figure within the aerospace engineering community. His inventions contribute to advancing communication systems critical for both military and civilian applications.

Collaborations

At Boeing, Douglas collaborates with talented professionals such as Julio A Navarro and Jimmy Susumu Takeuchi. These collaborations enable the exchange of ideas and advancements, further enriching the innovative spirit that drives their projects in the realm of antenna technology.

Conclusion

Douglas Allan Pietila stands out as a prolific inventor whose patents reflect a dedication to enhancing phased array antenna systems. His work not only showcases technical innovation but also emphasizes the importance of collaboration in driving advancements. As technology continues to evolve, inventors like Douglas are essential in shaping the future of communication systems.