Kunihiko Azuma

Title: Innovator Spotlight: Kunihiko Azuma

Introduction

Kunihiko Azuma is a prominent inventor based in Tokyo, Japan, recognized for his contributions to the field of color signal processing. With a portfolio of four patents, Azuma's innovative work has significantly advanced technology in television signal processing and phase control circuits.

Latest Patents

Azuma's latest patents include a color signal processing circuit capable of processing both PAL and NTSC color television signals. This innovative circuit prevents image deterioration caused by chromatization when receiving an NTSC signal. He developed a gate control signal generating circuit that alternately produces gate control signals for each horizontal period in response to a phase inverting pulse.

Another notable patent of his is a phase control circuit utilizing multiple differential circuits. This design enables a phase shift operation based on a control voltage. The circuit includes a multiplier function to facilitate the basic phase shift and compensates for amplitude variations during the process. The emitter area ratio of bipolar transistors within the differential circuits is finely tuned to optimize performance.

Career Highlights

Throughout his career, Kunihiko Azuma has had a significant impact on the technology landscape, particularly in electronics and signal processing. His inventive prowess has made him a valuable asset to the NEC Corporation, where he has continued to push the boundaries of innovation.

Collaborations

In his endeavors, Azuma has collaborated with fellow inventor Kenji Mori, working together to develop cutting-edge solutions in their field. This collaborative spirit has allowed both innovators to enhance their contributions to technology significantly.

Conclusion

Kunihiko Azuma stands out as a visionary in the realm of inventions related to color signal processing and phase control technology. His patents not only showcase his technical expertise but also reflect his commitment to advancing electronic innovation in the industry. As technology continues to evolve, Azuma's contributions will undoubtedly influence future developments in this area.