Atsushi Shigeta

Title: Atsushi Shigeta: Innovator in Projection Technology

Introduction

Atsushi Shigeta is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of projection technology, particularly with his innovative approach to correcting trapezoidal distortion in liquid crystal projectors.

Latest Patents

Atsushi Shigeta holds a patent for a projection-type display apparatus. This invention addresses the challenge of measuring the angle of inclination of a liquid crystal projector with respect to the screen. Traditionally, this measurement requires a high-accuracy distance sensor, which can be expensive. Shigeta's invention utilizes a rotating distance sensor to observe the level of the reflected wave. By detecting the angle of inclination from the rotational angle associated with the maximum value of the reflected wave, the trapezoidal distortion can be automatically corrected using a more affordable distance sensor.

Career Highlights

Atsushi Shigeta is associated with Hitachi, Ltd., a leading company in technology and innovation. His work has contributed to advancements in projection technology, enhancing the user experience in various applications.

Collaborations

He has collaborated with notable colleagues, including Tsuneyuki Nozawa and Fumio Haruna, who have also contributed to the field of technology and innovation.

Conclusion

Atsushi Shigeta's innovative work in projection technology exemplifies the importance of affordable solutions in enhancing device functionality. His contributions continue to influence the industry and pave the way for future advancements.