Company Filing History:
1 out of 4 
1 out of 1,623 
Years Active: 2002-2008
Title: Innovations by John C Chamberlain
Introduction
John C Chamberlain is an accomplished inventor based in Somerville, MA (US). He has made significant contributions to the field of electrical engineering, particularly in the development of advanced lamp technologies. With a total of 2 patents, his work has had a notable impact on lighting solutions.
Latest Patents
Chamberlain's latest patents include innovative methods and circuits for the instant hot restart of high-intensity discharge lamps. This invention features a lamp ballast that utilizes an electronic ballast circuit to supply operating voltage to the discharge lamp. It also includes an igniter circuit that provides starting pulses in a cold state and hot restrike pulses when the lamp is in a hot state after being turned off. The hot restrike pulses maintain ionization without generating substantial light output. Another significant patent is for a high-efficacy pulsed, dimmable high-pressure cesium lamp. This lamp offers a color rendering index (CRI) of over 90 and a color temperature between 3000-4000° K, even when dimmed by up to 40% of its rated power. The lamp's unique design includes a fill of cesium, mercury, and a rare gas, all enclosed in a hermetically sealed polycrystalline alumina arc tube.
Career Highlights
Throughout his career, Chamberlain has worked with notable companies such as Matsushita Electric Works Research and Development Laboratories Inc and Matsushita Electric Works, Ltd. His experience in these organizations has contributed to his expertise in lamp technology and electrical engineering.
Collaborations
Chamberlain has collaborated with talented individuals in his field, including coworkers Jakob Maya and Hongyan Gu. Their combined efforts have further advanced the innovations in lighting technology.
Conclusion
John C Chamberlain's contributions to lamp technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in lighting solutions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.