Alexander D Johnson

Title: Innovations of Alexander D Johnson

Introduction

Alexander D Johnson is a notable inventor based in Waltham, MA (US). He has made significant contributions to the field of antenna technology, holding a total of 13 patents. His work focuses on advanced antenna designs that enhance communication systems.

Latest Patents

One of his latest patents is for a size expandable dual polarized antenna array. This invention provides techniques for fabricating an expandable tightly coupled dipole array (TCDA) antenna with dual-linear polarization. The design includes an array of electrically coupled antenna elements, featuring a horizontally polarized planar dipole antenna on a foldable substrate and a ground plane on a second foldable substrate. The antenna elements also incorporate printed circuit boards (PCBs) that connect the substrates, ensuring optimal performance.

Another recent patent is for an additively manufactured antenna with a Vivaldi element. This assembly consists of symmetric flare arms and a feed block with an integral feed line. The method of fabrication involves additively manufacturing both the feed block and the feed line, showcasing innovative techniques in antenna assembly.

Career Highlights

Throughout his career, Alexander has worked with prominent companies, including BAE Systems Information and Electronic Systems Integration Inc. His experience in these organizations has allowed him to develop and refine his expertise in antenna technology.

Collaborations

Alexander has collaborated with notable individuals in his field, including James F Fung and Jacob Tamasy. These partnerships have contributed to the advancement of his inventions and the overall progress in antenna technology.

Conclusion

Alexander D Johnson is a distinguished inventor whose work in antenna technology has led to numerous patents and innovations. His contributions continue to impact the field significantly.