Kazunori Kawashima

Title: Kazunori Kawashima: Innovator in Electrostatic Capacitance-Type Sensors

Introduction

Kazunori Kawashima is a notable inventor based in Chiba-ken, Japan. He has made significant contributions to the field of sensor technology, particularly with his innovative work on electrostatic capacitance-type sensors. His expertise and inventions have garnered attention in the industry.

Latest Patents

Kawashima holds a patent for an electrostatic capacitance-type sensor. This proximity sensor features a pulse-generating circuit along with first and second delay circuits connected to the output of the pulse-generating circuit. The design includes integrating-type delay circuits that charge capacitances over time, with the second delay circuit serving as a reference circuit. The first delay circuit is based on the capacitance of a detection electrode. The outputs of both delay circuits are processed through limiting amplifiers, such as Schmitt triggers, which feed into a common phase detector. This innovative design minimizes errors caused by noise spikes during the charging period, improving the reliability of the sensor.

Career Highlights

Kawashima is currently employed at Seikosha Co., Ltd., where he continues to develop and refine sensor technologies. His work has positioned him as a key figure in the advancement of electrostatic sensors, contributing to the company's reputation for innovation.

Collaborations

Kawashima has collaborated with notable colleagues, including Hajime Oda and Takahiro Miyajima. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Kazunori Kawashima's contributions to the field of electrostatic capacitance-type sensors highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and pave the way for future developments in sensor technology.