Kohta Iijima

Title: Kohta Iijima: Innovator in Capacitance Detection Technology

Introduction

Kohta Iijima is a notable inventor based in Soma, Japan. He has made significant contributions to the field of capacitance detection technology, particularly in relation to video disks. His innovative approach has led to the development of a unique patent that enhances the functionality of video playback systems.

Latest Patents

Iijima holds a patent for a capacitance detector designed for video disks. This invention detects capacitance variations from a video disk and demodulates these variations into an electric signal. The patent describes a system that includes a first block with a fixed oscillator and a coupling loop made up of a coupling coil and a coupling capacitor. The inductance of the fixed oscillator is inductively coupled with the coupling loop. Additionally, a second block features a disk stylus resonator, which has its resonance frequency varied by the capacitance variation of the video disk. A shield plate separates the first block from the second block, and a coupling window is provided to inductively couple the coupling loop with the resonant inductance of the disk stylus resonator. This innovative design allows for improved detection and processing of video signals.

Career Highlights

Kohta Iijima is currently employed at Alps Electric Co., Ltd., where he continues to work on advancements in electronic technologies. His expertise in capacitance detection has positioned him as a valuable asset to the company. Iijima's work is characterized by a commitment to innovation and a focus on enhancing the performance of electronic devices.

Collaborations

Iijima collaborates with Akiyuki Yoshisato, who is also involved in the development of advanced technologies at Alps Electric Co., Ltd. Their partnership exemplifies the collaborative spirit that drives innovation in the field.

Conclusion

Kohta Iijima's contributions to capacitance detection technology have made a significant impact on the industry. His patent for a capacitance detector for video disks showcases his innovative thinking and dedication to improving electronic systems. Through his work at Alps Electric Co., Ltd., Iijima continues to push the boundaries of technology and inspire future innovations.