This inventor holds 1 USPTO granted patent. Top assignee: Delta Electronics (Shanghai) Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Innovations by Qingchang Liu in Power Supply Technology
Introduction
Qingchang Liu is a notable inventor based in Shanghai, China. He has made significant contributions to the field of power supply technology. His innovative approach has led to the development of a unique power supply device and an overcurrent alarm method.
Latest Patents
Qingchang Liu holds 1 patent for his invention titled "Power supply device and overcurrent alarm method." This patent discloses a power supply device that provides power to a load system. The device includes a current sampling module for obtaining a current sampling value, a first comparison module for comparing this value with an alarm current reference value, and a control module that determines whether to send a current alarm signal to the load system. When the current sampling value exceeds the alarm current reference value, the control module sends a current alarm signal and provides a warning notification to the load system. Conversely, if the current sampling value is below the reference value, the control module either does not send an alarm signal or sends a current non-alarm signal.
Career Highlights
Qingchang Liu is currently employed at Delta Electronics (Shanghai) Co., Ltd. His work at this esteemed company has allowed him to further develop his skills and contribute to advancements in power supply technology. His innovative mindset and technical expertise have positioned him as a valuable asset in his field.
Collaborations
Qingchang Liu has collaborated with talented coworkers such as Chao Li and Pengfei Wang. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Qingchang Liu's contributions to power supply technology exemplify the spirit of innovation. His patent for a power supply device and overcurrent alarm method showcases his ability to address critical challenges in the field. His work continues to influence advancements in technology and improve safety in power supply systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile