Hideyuki Yamada

Title: Innovations of Hideyuki Yamada

Introduction

Hideyuki Yamada is a notable inventor based in Minowa-Machi, Japan. He has made significant contributions to the field of physical quantity detection circuits. With a total of 5 patents to his name, Yamada's work has advanced the technology used in various electronic applications.

Latest Patents

Yamada's latest patents include a physical quantity detection circuit and a physical quantity sensor. The first patent describes a physical quantity detection circuit that features an analog/digital conversion circuit with an input capacitance. This circuit samples an analog signal to convert it into a digital signal. It also includes a precharge circuit that precharges the input capacitance before sampling. Additionally, a digital arithmetic circuit performs arithmetic processing on the digital signal, while a reference voltage circuit supplies power to the precharge and digital arithmetic circuits. The timing of the arithmetic processing is carefully set to avoid interference with the precharge period.

The second patent elaborates on a physical quantity detection circuit that incorporates a passive filter receiving an analog signal from a detection element. This circuit also features an analog/digital conversion circuit and a precharge circuit that includes an operational amplifier and two chopper circuits. These chopper circuits synchronize their operations with the sampling of the analog signal, ensuring efficient performance.

Career Highlights

Yamada is currently employed at Seiko Epson Corporation, where he continues to innovate in the field of electronic devices. His work has been instrumental in enhancing the functionality and efficiency of physical quantity detection technologies.

Collaborations

Yamada collaborates with talented coworkers, including Hideo Haneda and Atsushi Tanaka. Their combined expertise contributes to the advancement of technology at Seiko Epson Corporation.

Conclusion

Hideyuki Yamada's contributions to the field of physical quantity detection circuits demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving electronic technologies, making a lasting impact in the industry.