Hideo Katoh

Title: Hideo Katoh: Innovator in Focus-Adjustment Technology

Introduction

Hideo Katoh is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of imaging technology, holding a total of 17 patents. His work primarily focuses on advancements in focus-adjustment mechanisms for imaging apparatuses.

Latest Patents

Among his latest patents are the "Focus-adjustment signal generating apparatus and method" and the "Imaging apparatus and method, with manual focus adjustments." These inventions include a sophisticated focus-adjustment signal generating apparatus that utilizes a filter to extract high-frequency components from luminance signals of input video signals. The apparatus features a comparator that assesses the absolute value of the high-frequency component against a reference value, generating detection signals based on this comparison. Additionally, an extender is incorporated to prolong the output period of the detection signal, while a selector determines the appropriate chrominance difference signal to output as a focus-adjustment signal.

Career Highlights

Hideo Katoh has had a distinguished career, working with notable companies such as Teijin Limited and Katoh Electrical Machinery Company, Ltd. His experience in these organizations has allowed him to refine his expertise in imaging technology and focus-adjustment systems.

Collaborations

Throughout his career, Katoh has collaborated with esteemed colleagues, including Hisashi Hamano and Kinji Hasegawa. These partnerships have contributed to the development of innovative solutions in the field of imaging technology.

Conclusion

Hideo Katoh's contributions to focus-adjustment technology have significantly impacted the imaging industry. His patents reflect a deep understanding of the complexities involved in video signal processing and focus mechanisms. His work continues to inspire advancements in imaging technology.