Company Filing History:
Years Active: 1981-1984
Title: Celebrating the Innovations of Mahmoud A El Hamamsy
Introduction: Mahmoud A El Hamamsy is a notable inventor based in Watchung, NJ, who has made significant contributions to the field of electronics with his six patents. His work primarily focuses on innovative switch technology, which has the potential to revolutionize how electrical circuits are controlled.
Latest Patents: Among his most recent innovations is the "Optically Toggled Bidirectional Switch." This device features a design that includes protection against voltage and current surges by implementing a pair of oppositely poled thyristors. One version of this switch integrates a large junction-type field-effect transistor for the main path alongside smaller junction-type transistors in a subsidiary path. A photodiode array adeptly manages the gate voltage of each transistor, turning them off when exposed to light. Additionally, a control node linked to the gates of the thyristors ensures that any excess current activates the appropriately poled thyristor, providing an alternative shunt path for the current flow. El Hamamsy has also developed a "Normally Off Bilateral Switch," which utilizes two VMOS FETs. In this innovation, the conduction state is regulated by a photodiode array that is optically coupled to a light-emitting diode, allowing for the construction of a break-before-make switch alongside a normally ON JFET.
Career Highlights: Mahmoud A El Hamamsy has made a notable impact in the field of telecommunications through his work at Bell Telephone Laboratories. His developments in switching technologies reflect a deep understanding of electronic principles and their practical applications, contributing to advancements in the industry.
Collaborations: Within his career, El Hamamsy has collaborated with other distinguished professionals, including William C. King and Stephen Knight. These partnerships have fostered an environment of creativity and innovation, enhancing the development of their respective technologies and products.
Conclusion: Mahmoud A El Hamamsy stands out as a pioneering figure in the realm of electronic innovation. His work on optically toggled and normally off switches not only demonstrates his technical expertise but also marks significant advancements in switching technology. His contributions continue to influence the field and inspire future innovations.