Kok-Choon Cheng

Title: Kok-Choon Cheng: Innovator in Audio Amplification Technology

Introduction

Kok-Choon Cheng is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of audio amplification technology. His innovative work has led to the development of a unique patent that enhances audio performance.

Latest Patents

Kok-Choon Cheng holds a patent for a D-class amplifier circuit and audio amplifying method. This circuit includes an input impedance, an operational amplifier, a voltage-adjusting circuit, a pulse-generating circuit, and a drive circuit. The input impedance is coupled to an input terminal of the operational amplifier, receiving an input voltage and outputting an input current. The operational amplifier is connected to a first power voltage and outputs an amplified signal based on the input operating voltage and a feedback signal. The voltage-adjusting circuit plays a crucial role in adjusting the input operating voltage of the operational amplifier. The pulse-generating circuit generates a pulse width modulation signal according to the amplified signal, while the drive circuit, coupled to a second power voltage, generates a driving signal based on the pulse width modulation signal. The feedback signal is correlated with the driving signal, showcasing the intricate design of this audio amplification technology.

Career Highlights

Kok-Choon Cheng is currently employed at Realtek Semiconductor Inc., a leading company in the semiconductor industry. His work at Realtek has allowed him to focus on developing advanced audio technologies that benefit consumers and industries alike.

Collaborations

Throughout his career, Kok-Choon Cheng has collaborated with talented individuals such as Che-Hung Lin and You-Min Lai. These collaborations have fostered innovation and creativity in their projects, contributing to the advancement of audio technology.

Conclusion

Kok-Choon Cheng is a distinguished inventor whose work in audio amplification technology has made a significant impact. His patent for the D-class amplifier circuit exemplifies his innovative spirit and dedication to enhancing audio performance. His contributions continue to influence the industry and inspire future innovations.