Kouichiro Yamaguchi

Title: Kouichiro Yamaguchi: Innovator in Signal Processing Technologies

Introduction

Kouichiro Yamaguchi is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of signal processing, holding a total of 9 patents. His work focuses on enhancing the accuracy and efficiency of electronic circuits, particularly in tone signal detection and level conversion.

Latest Patents

Yamaguchi's latest patents include a tone signal circuit and a wireless receiver. In this invention, a digital signal that includes a tone signal component is processed through a Goertzel filter. The output envelope from the filter is detected, and its derivative value is analyzed. If this value meets a specific threshold, it indicates the presence of the tone signal component. This innovation allows for highly accurate tone detection with minimal computational resources. Another notable patent is the level conversion circuit, which efficiently converts high-voltage logic signals into low-voltage logic signals. This circuit employs transistors that can be replaced with elements of opposite polarity, ensuring stable operation even when one part of the circuit faces difficulties.

Career Highlights

Kouichiro Yamaguchi is currently associated with Icom Incorporated, a company known for its advancements in communication technology. His role at Icom has allowed him to apply his innovative ideas in practical applications, contributing to the company's reputation in the industry.

Conclusion

Kouichiro Yamaguchi's work in signal processing technologies exemplifies the impact of innovation in electronics. His patents reflect a commitment to improving the efficiency and accuracy of electronic systems. Through his contributions, he continues to influence the field and inspire future advancements.