Company Filing History:
Years Active: 2025
Title: Chang-Han Li: Innovator in Fail-Safe Input/Output Devices
Introduction
Chang-Han Li is a notable inventor based in Taiwan, recognized for his contributions to the field of electrical engineering. He has developed innovative technologies that enhance the reliability and safety of electronic devices. His work is particularly significant in the realm of input/output devices, where precision and safety are paramount.
Latest Patents
Chang-Han Li holds a patent for a "Fail-safe input/output device and voltage switching method." This invention includes an input/output circuit, a comparator circuit, and a resistance adjustment circuit. The input/output circuit transmits a voltage with a higher level in two supply voltages to generate a driving voltage. The comparator circuit plays a crucial role by comparing the two supply voltages to generate a control signal, which selectively transmits the appropriate voltage. The resistance adjustment circuit further enhances the device's functionality by adjusting resistance based on the second supply voltage.
Career Highlights
Chang-Han Li is currently employed at Sigmastar Technology Ltd., where he continues to innovate and develop advanced technologies. His work at the company has positioned him as a key player in the development of fail-safe electronic devices. His dedication to improving device safety and functionality has made a significant impact in the industry.
Collaborations
Chang-Han Li collaborates with Chi-Yun Liu, a fellow innovator at Sigmastar Technology Ltd. Their partnership fosters a creative environment that encourages the development of cutting-edge technologies.
Conclusion
Chang-Han Li's contributions to the field of electrical engineering, particularly through his patent for a fail-safe input/output device, highlight his innovative spirit and commitment to enhancing electronic safety. His work continues to influence the industry positively.