This inventor holds 1 USPTO granted patent. Top assignee: Wac Lighting Co. Active years: 2009.
Company Filing History:
Years Active: 2009
Title: **Innovative Contributions of Quingjun Li in Electrical Testing**
Introduction
Quingjun Li, an inventive mind based in Hengyang, China, has made a significant impact in the field of electrical engineering with his innovative solutions. With a focus on enhancing electronic devices, he has successfully secured a patent that reflects his ingenuity and expertise.
Latest Patents
Quingjun Li's notable patent is for an **Electrical Continuity Tester**. This device serves a critical function for lamp and coaxial plug connectors. It features a unique receptacle connector equipped with first and second coaxial, annular receptacle contacts that align axial spacing with the power and ground contacts commonly found in lamp connectors. The design allows for effective electrical engagement when plugged in.
The tester includes a probe contact specifically designed to connect with only the power contact. Two LEDs are incorporated into the design, connected to a battery through separate parallel circuits. Furthermore, a biasing resistor in the second circuit ensures that the first LED lights up only when a battery circuit is completed by the appropriate engagement of contacts, signaling the absence of a short circuit. Conversely, the second LED activates when additional engagement indicates a short circuit, thus providing clear visual feedback.
Career Highlights
Quingjun Li currently works at **WAC Lighting Co.**, where his innovations play a vital role in advancing electrical testing technologies. His commitment to research and development has led to the creation of practical solutions that enhance safety and functionality in electrical applications.
Collaborations
Throughout his career, Quingjun Li has collaborated closely with talented colleagues such as Meng-Chiao Kan and Meng-Feng Tsai. These partnerships have fostered a creative environment that encourages the exchange of ideas and strategies, further enhancing the caliber of innovations generated within their team.
Conclusion
In summary, Quingjun Li's contributions to the field of electrical testing, particularly through his patent for the Electrical Continuity Tester, demonstrate his valuable role as an inventor. His work continues to inspire advancements in technology, ensuring safer and more efficient electrical systems in everyday use.