Yi-Hsiu E Chen

Title: Yi-Hsiu E Chen: Innovator in Pulse Amplitude Modulation

Introduction

Yi-Hsiu E Chen is a notable inventor based in San Jose, CA (US). He has made significant contributions to the field of electronics, particularly in the area of pulse amplitude modulation. With a total of 3 patents to his name, Chen continues to push the boundaries of innovation.

Latest Patents

Chen's latest patents include groundbreaking technologies. One of his patents focuses on coding for pulse amplitude modulation with an odd number of output levels. This invention describes a driver circuit that includes a first impedance element and a second impedance element, both electrically coupled to inverter circuits. The driver circuit is designed to control current flow in two different encoding scenarios, ensuring that the first and second currents have the same value but opposite directions.

Another significant patent is for a fast common mode charging apparatus. This invention features a transmitter circuit that transmits a differential signal on a communication bus. It includes a measurement circuit that measures voltage levels of the true signal line and the complement signal line. The control circuit is designed to select operation modes based on these voltage levels, allowing for efficient recharging after exiting sleep mode.

Career Highlights

Yi-Hsiu E Chen is currently employed at Apple Inc., where he applies his expertise in electronics and innovation. His work has contributed to the development of advanced technologies that enhance communication and signal processing.

Collaborations

Throughout his career, Chen has collaborated with talented individuals such as Charles L Wang and Pranavi Sunkara. These collaborations have fostered an environment of creativity and innovation, leading to the development of cutting-edge technologies.

Conclusion

Yi-Hsiu E Chen is a prominent inventor whose work in pulse amplitude modulation and fast common mode charging has made a significant impact in the field of electronics. His contributions continue to shape the future of technology.