Che-Wei Hsu

Title: Innovations by Inventor Che-Wei Hsu in Audio Technology

Introduction

Che-Wei Hsu, an accomplished inventor based in Hsinchu, Taiwan, holds seven patents, exemplifying his significant contributions to the field of audio technology. His inventive approaches have led to advancements in audio amplification and speaker driving circuits, demonstrating his expertise in electronic engineering.

Latest Patents

One of Che-Wei Hsu's latest patents focuses on a driving circuit for loudspeakers, which includes several critical components: a periodic signal generation circuit, a signal processing circuit, a class-D amplifier circuit, a current sensing circuit, and a sample and hold circuit. This innovative design allows the periodic signal generation circuit to create both a periodic signal and a control signal, which the signal processing circuit uses to generate a pre-driving signal. Furthermore, the class-D amplifier circuit efficiently drives the loudspeaker based on this pre-driving signal, while the current sensing circuit generates a current sensing signal. The incorporation of a sample and hold circuit enhances the functionality by sampling and holding the current sensing signal to create a current sampling signal.

Another notable patent by Che-Wei Hsu is an audio amplifier with duty ratio control. This device is composed of a pulse width modulation modulator, a power stage, and a voltage converter. The pulse width modulation modulator receives an input signal which it transforms into a pulse width modulation signal. The power stage then generates an output signal based on both the supply voltage and the pulse width modulation signal. The voltage converter plays a crucial role by adjusting the voltage level of the supply voltage in response to the duty ratio of the pulse width modulation signal whenever it surpasses a predetermined threshold.

Career Highlights

Che-Wei Hsu has worked with leading companies in the semiconductor industry, including Elite Semiconductor Microelectronics Technology Inc. and Elite Semiconductor Memory Technology, Inc. His experience in these organizations has provided him with a solid foundation in electronic design and innovation.

Collaborations

Throughout his career, Che-Wei Hsu has collaborated with notable professionals such as Wun-Long Yu and Deng-Yao Shih. Their teamwork has undoubtably contributed to the advancement of technology in their respective fields.

Conclusion

Che-Wei Hsu's innovative spirit and dedication to audio technology have earned him a remarkable portfolio of patents, highlighting his role as a leader in the industry. His work continues to inspire advancements in audio amplification and speaker technology, reflecting his commitment to providing cutting-edge solutions in electronic engineering.