Po Cheng Liao

Title: Po Cheng Liao: Innovator in Protection Circuits and Power Plugs

Introduction

Po Cheng Liao is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of electrical engineering, particularly in the development of protection circuits and power plugs. With a total of 3 patents to his name, Liao continues to push the boundaries of innovation in his field.

Latest Patents

Liao's latest patents include innovative designs that enhance the functionality and safety of electronic devices. One of his patents focuses on protection circuits for interfaces. This patent describes a protection circuit that comprises an electrostatic discharge (ESD) module, which effectively suppresses discharge voltage caused by electrostatic discharge. The ESD module is designed to be coupled with a capacitive element and a resistive element, allowing it to manage both discharge voltage and reverse DC operated voltage.

Another significant patent by Liao is for power plugs with lock rings. This design features a connector that engages with a power receptacle of an electronic device. The removable lock ring is equipped with a lock tab that extends away from the longitudinal axis of the power plug. This lock tab is designed to insert into a lock notch of the power receptacle, providing a secure connection.

Career Highlights

Liao is currently employed at Hewlett-Packard Development Company, L.P., where he applies his expertise in electrical engineering to develop innovative solutions. His work at HP has allowed him to contribute to various projects that enhance the performance and reliability of electronic devices.

Collaborations

Throughout his career, Liao has collaborated with several talented individuals, including Jen-Hsun Hsieh and Chen Ee Eunice Goh. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Po Cheng Liao is a distinguished inventor whose work in protection circuits and power plugs has made a significant impact in the field of electrical engineering. His innovative patents and collaborations with other professionals highlight his commitment to advancing technology. Liao's contributions continue to shape the future of electronic device safety and functionality.