This inventor holds 1 USPTO granted patent. Top assignee: Varian Associates, Inc.. Active years: 1981.
Company Filing History:
Years Active: 1981
Title: Charles E Hobrecht: Innovator in Traveling Wave Tube Technology
Introduction
Charles E Hobrecht is a notable inventor based in Sunnyvale, CA (US). He has made significant contributions to the field of traveling wave tubes (TWTs), particularly in enhancing their performance through innovative designs. His work has been instrumental in addressing challenges related to gain variation in broad bandwidth applications.
Latest Patents
Hobrecht holds a patent for "In-band resonant loss in TWT's." This invention addresses the issue of gain variation across a wide frequency band in traveling wave tubes. The patent describes a method where one or more lossy circuits inside the tube are coupled to the interaction helix-type slow-wave circuit. These circuits are resonant at frequencies within the operating band and provide a loss that varies with frequency to compensate for the gain variation. The resonant circuits are typically metallized patterns on a dielectric rod, which may serve as a support rod for the interaction circuit. Compared to external gain equalizers, this internal equalizer is more cost-effective and offers a better noise figure.
Career Highlights
Hobrecht has had a distinguished career at Varian Associates, Inc., where he has applied his expertise in TWT technology. His innovative approach has led to advancements that improve the efficiency and performance of these devices. His patent reflects his commitment to enhancing the capabilities of traveling wave tubes in various applications.
Collaborations
Throughout his career, Hobrecht has collaborated with notable colleagues, including Cliff D Fritchle and Allan W Scott. These collaborations have fostered an environment of innovation and have contributed to the development of cutting-edge technologies in the field.
Conclusion
Charles E Hobrecht's contributions to traveling wave tube technology exemplify the impact of innovative thinking in engineering. His patent on in-band resonant loss demonstrates a significant advancement in the field, showcasing his dedication to improving electronic devices. His work continues to influence the industry and inspire future innovations.