Company Filing History:
Years Active: 1995
Title: Innovations by Alexander Kurnia
Introduction
Alexander Kurnia is an accomplished inventor based in Milwaukee, WI (US). He holds a total of 3 patents that showcase his expertise in electrical engineering and innovative lighting solutions. His work has significantly contributed to advancements in power factor correction and intelligent lighting systems.
Latest Patents
One of Kurnia's notable patents is the "Low Power Unity Power Factor Ballast." This invention features an inverter circuit that operates from the line using lower-rated switches to achieve higher frequencies while maintaining a substantially unity power factor and reducing input current harmonics. The design includes a buck-boost regulator that transfers rectified DC to a storage capacitor, ensuring that the current in the inductor remains discontinuous and proportional to the instantaneous input voltage. This innovative approach results in a substantially sinusoidal input current, enhancing the efficiency of the system. The inverter can be self-oscillating or controlled by circuitry, providing high-frequency, high-voltage AC output suitable for dimming applications, such as fluorescent lamps.
Another significant patent is the "Distributed Control System for Lighting with Intelligent Electronic." This lighting system comprises an AC power line and an electronic ballast that interprets commands transmitted over the power line to control the dimming of fluorescent lamps. The ballast is designed with an individual address and includes mechanisms for initiating an arc to start the lamp, limiting current, and adjusting light output. A control element, spaced apart from the ballast, sends commands in a format that the ballast can interpret, allowing for precise control of the lighting system.
Career Highlights
Throughout his career, Kurnia has worked with several companies, including Mti International, Inc. and Micro-Technology Inc. - Wisconsin. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the field of electrical engineering.
Collaborations
Kurnia has collaborated with notable professionals in his field, including Krishnappa Ranganath. Their joint efforts have led to advancements in lighting technology and power management systems.
Conclusion
Alexander Kurnia's contributions to the field of electrical engineering through his patents and collaborations highlight his innovative spirit and dedication to improving lighting systems. His work continues to influence the industry and pave the way for future advancements.