Company Filing History:
Years Active: 2019
Title: The Innovations of Francis Hartwich: A Pioneer in Phased Array Antennas
Introduction: Francis Hartwich, based in Holliston, MA, is an esteemed inventor known for his contributions to radar technology. With one patented innovation to his name, Hartwich has made significant strides in enhancing the capabilities of phased array antennas.
Latest Patents: Hartwich's notable patent is titled "Phased array antenna using stacked beams in elevation and azimuth." This innovative radar system employs a rotating antenna array featuring rows with dispersive properties, which feed multiple radiating elements. In several embodiments, dual polarized radiating elements may be utilized. Additionally, the invention incorporates beam spoiling to create an unfocused transmit beam, covering an entire elevation range of interest. Digital beam forming during the receive mode facilitates the development of a stack of narrow-width receive beams in elevation, while frequency scanning is employed to achieve stacked beams in azimuth.
Career Highlights: Hartwich's professional journey is marked by his association with Raytheon Company, a global leader in defense and aerospace systems. His work at Raytheon has been instrumental in advancing radar technology and improving communication systems.
Collaborations: Throughout his career, Hartwich has collaborated with esteemed colleagues such as Eli Brookner and Thomas V Sikina. Together, they have explored innovative approaches in radar technology, pushing the boundaries of what is possible in telecommunications and defense systems.
Conclusion: Francis Hartwich stands out as a formidable inventor, making lasting contributions to the field of phased array antennas. His innovative patent showcases his commitment to advancing radar technology, and his collaborations with industry experts highlight the importance of teamwork in the realm of invention. As he continues to work at Raytheon Company, the industry eagerly anticipates his future innovations.