Hiromitsu Aoyama

Title: Hiromitsu Aoyama: Innovator in PWM Controlled Analog Signal Technology

Introduction

Hiromitsu Aoyama is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of electronics, particularly in the area of pulse width modulation (PWM) technology. His innovative approach has led to the development of a unique patent that enhances the efficiency of analog signal processing.

Latest Patents

Aoyama holds a patent for a PWM controlled analog signal. This invention generates a voltage proportional to a PWM duty cycle using a low pass filter (LPF). The design incorporates a second or higher order LPF, which provides a 90°(2n+1) degree phase shift for n=0, 1, 2, and so on. This allows for sampling timing at the rising and/or falling edge of the PWM input signal. Additionally, a switched capacitor circuit is included after the LPF to eliminate voltage ripple on the output, optimizing device area usage.

Career Highlights

Hiromitsu Aoyama is currently employed at Dialog Semiconductor (UK) Limited, where he continues to innovate and develop advanced technologies. His work has been instrumental in improving the performance of electronic devices through efficient signal processing techniques.

Collaborations

Aoyama collaborates with talented colleagues, including Keisuke Kadowaki and Naoyuki Unno. Their combined expertise fosters a creative environment that drives technological advancements.

Conclusion

Hiromitsu Aoyama's contributions to PWM technology exemplify the impact of innovative thinking in electronics. His patent reflects a commitment to enhancing signal processing efficiency, marking him as a significant figure in the field.