Wun-Long Yu

Title: Wun-Long Yu: Innovator in Audio Technology

Introduction

Wun-Long Yu is a notable inventor based in Hsinchu, Taiwan, recognized for his significant contributions to audio technology. With a total of five patents to his name, he has focused on innovations that enhance the performance of loudspeakers and audio amplifiers.

Latest Patents

Among Wun-Long Yu's latest inventions are two prominent patents that underscore his expertise in audio electronics. The first patent details a **driving circuit of a loudspeaker** and method for generating a current sampling signal. This sophisticated circuit design includes essential components such as a periodic signal generation circuit, a signal processing circuit, a class-D amplifier circuit, a current sensing circuit, and a sample and hold circuit. The aim is to optimize loudspeaker performance by generating a periodic signal and control signals that drive the speaker effectively.

The second patent is for an **audio amplifier with duty ratio control**. This amplifier integrates a pulse width modulation modulator, a power stage, and a voltage converter. It intelligently adjusts the voltage level of the supply voltage based on the pulse width modulation signal, ensuring enhanced audio output quality, particularly when the duty ratio exceeds a specified threshold.

Career Highlights

Wun-Long Yu has made noteworthy strides in the semiconductor and audio technology sectors. He has been associated with respected companies such as Elite Semiconductor Microelectronics Technology Inc. and Elite Semiconductor Memory Technology, Inc. His work has paved the way for advancements in digital audio technology, making a lasting impact on the industry.

Collaborations

During his career, Wun-Long Yu collaborated with esteemed professionals in the field, including Che-Wei Hsu and Deng-Yao Shih. These partnerships have fostered innovation and contributed to the successful development of his patents.

Conclusion

Wun-Long Yu's innovative spirit and dedication to audio technology strongly illustrate the transformative power of inventions in improving everyday auditory experiences. With a robust portfolio of patents and a commitment to advancement, he has established himself as a key figure in enhancing how we interact with sound.