Location History:
- Peabody, MA (US) (2012)
- Danvers, MA (US) (2011 - 2016)
Company Filing History:
Years Active: 2011-2016
Title: Innovations by Afroz M Imam
Introduction
Afroz M Imam is a notable inventor based in Peabody, MA (US). He has made significant contributions to the field of electrical engineering, particularly in power conversion technologies. With a total of 5 patents to his name, Imam's work focuses on improving the efficiency and reliability of electrical devices.
Latest Patents
One of his latest patents is the Flyback AC-to-DC converter. This invention discloses techniques and corresponding circuitry and drivers aimed at improving power factor (PF) and total harmonic distortion (THD) of a flyback power factor correction (PFC) topology operating in transition-mode. In this patent, the PF and THD are enhanced by correcting the on-time of the switching element of the flyback PFC topology to actively shape the wave of the PFC input current. The on-time correction is achieved using a phase-lock-loop module that synchronizes with the rectified input line voltage signal and an output regulator module that adjusts the switch on-time. The control can be implemented using either a digital or an analog controller.
Another significant patent is related to inrush current protection. This invention outlines methods for protecting electrical devices, such as ballasts, from damage due to inrush current. The method involves detecting a loss of input power received by the ballast, which then enters a standby mode. During this standby period, the input power is monitored to measure a start time, which is triggered when the ballast receives input power again. The ballast transitions to an active mode when the measured start time exceeds a predetermined protection time, thereby safeguarding it from potential damage due to inrush current.
Career Highlights
Afroz M Imam has worked with prominent companies in the industry, including Osram Sylvania Inc. and Osram GmbH. His experience in these organizations has contributed to his expertise in electrical engineering and innovation.
Collaborations
Imam has collaborated with notable professionals in his field, including Sivakumar Thangavelu and Mustansir Kheraluwala. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
Afroz M Imam is a distinguished inventor whose contributions to electrical engineering have led to significant advancements in power conversion technologies. His innovative patents reflect his commitment to improving the efficiency and reliability of electrical devices.
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