Hidehiro Ugaki

Title: Innovations of Hidehiro Ugaki

Introduction

Hidehiro Ugaki is a notable inventor based in Daito, Japan. He has made significant contributions to the field of video signal processing, holding two patents that showcase his innovative approach to technology.

Latest Patents

Ugaki's latest patents include a "Comb filter-type Y/C separator circuit" and a "Circuit for removing jitter of chrominance signal and television set." The comb filter-type Y/C separator circuit utilizes a glass delay line to separate luminance and chrominance signals from an input composite video signal. This circuit employs an adding and subtracting mechanism to achieve precise signal separation, with a control voltage that adjusts the delay time accurately. The second patent focuses on removing jitter from chrominance signals by converting frequencies through a series of multipliers and bandpass filters, ensuring that the desired frequency components are extracted effectively.

Career Highlights

Ugaki has worked at Sanyo Electric Co., Ltd., where he has been able to apply his expertise in video technology. His work has contributed to advancements in television and video signal processing, enhancing the quality of visual media.

Collaborations

Some of his notable coworkers include Nobukazu Hosoya and Kazunori Nohara, who have collaborated with him on various projects within the company.

Conclusion

Hidehiro Ugaki's innovative patents and contributions to video signal processing reflect his dedication to advancing technology in the field. His work continues to influence the industry and improve the quality of video signals.