Yoshio Haraguchi

Title: Innovations of Yoshio Haraguchi in Liquid-Crystal Technology

Introduction: Yoshio Haraguchi is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical devices, particularly in the development of liquid-crystal projectors. His innovative work has led to the creation of a unique optical element rotating device that enhances the functionality of liquid-crystal projectors.

Latest Patents: Yoshio Haraguchi holds a patent for an "Optical element rotating device for liquid-crystal." This invention involves a liquid-crystal projector that incorporates a light source, a projection lens set, and a liquid-crystal panel. The projector is designed to display video signals alternately from odd and even fields, synchronized with a vertical synchronizing signal. The device features a wedge-shaped prism rotating mechanism that utilizes an electromagnetic solenoid to convert reciprocating motion into periodic rotational motion. This innovation allows for precise image projection, offsetting the positions of picture images by one pixel.

Career Highlights: Haraguchi has had a distinguished career at Sony Corporation, where he has been instrumental in advancing liquid-crystal technology. His work has not only contributed to the company's product offerings but has also set new standards in the industry for projector technology.

Collaborations: Throughout his career, Yoshio Haraguchi has collaborated with fellow inventor Minoru Okuda. Their partnership has fostered innovation and has led to the successful development of advanced optical devices.

Conclusion: Yoshio Haraguchi's contributions to liquid-crystal technology exemplify the spirit of innovation in the field of optical devices. His patented inventions continue to influence the design and functionality of modern projectors, showcasing the importance of creativity and collaboration in technological advancements.