This inventor holds 1 USPTO granted patent. Top assignee: Philips Electronics North America Corporation. Active years: 1998.
Company Filing History:
Years Active: 1998
Title: Jaap Schlejen: Innovator in Lamp Ballast Technology
Introduction
Jaap Schlejen is a notable inventor based in Shanghai, China. He has made significant contributions to the field of electrical engineering, particularly in the development of lamp ballast technology. His innovative approach has led to the creation of a unique patent that enhances the functionality and efficiency of gas discharge lamps.
Latest Patents
Jaap Schlejen holds a patent for a "Lamp ballast with lamp rectification detection circuitry." This invention involves a ballast for a gas discharge lamp that includes a detection circuit. The circuit detects the operating state of the lamp by monitoring the lamp current for different polarities. It identifies discrepancies in the lamp current by detecting the DC component of the voltage across the discharge lamp. The detection circuit comprises a device that imposes a DC voltage when the lamp current varies and a sensing circuit that monitors this voltage. The device can be a capacitive component, such as a DC blocking capacitor or a ballast capacitor. The sensing circuit activates when the DC voltage exceeds a threshold, indicating the need for maintenance or replacement of the lamp.
Career Highlights
Jaap Schlejen is associated with Philips Electronics North America Corporation, a leading company in the electronics industry. His work at Philips has allowed him to focus on innovative solutions that improve lighting technology. With a patent count of 1 patent, he has established himself as a valuable contributor to the field.
Collaborations
Jaap has collaborated with talented professionals such as Clint Mason and Yongping Xia. Their combined expertise has fostered an environment of innovation and creativity within their projects.
Conclusion
Jaap Schlejen's contributions to lamp ballast technology exemplify the spirit of innovation in electrical engineering. His patent reflects a commitment to enhancing the efficiency and reliability of lighting solutions. Through his work at Philips Electronics, he continues to influence the industry positively.