Yasushi Sano

Title: The Innovations of Yasushi Sano

Introduction

Yasushi Sano is a notable inventor based in Yamato, Japan. He has made significant contributions to the field of tracking servo technology, holding a total of 4 patents. His work has advanced the capabilities of rotary recording mediums and servo circuits, showcasing his expertise and innovative spirit.

Latest Patents

One of Yasushi Sano's latest patents is a "Tracking servo with closed loop gain correction." This invention addresses the variations in closed loop gain that can occur due to factors such as disc wear and the width of the electrode of the reproducing stylus. The system utilizes a tracking error signal derived from an information track on the disc, which is then processed through an AGC circuit. The gain of this circuit is designed to decrease as the voltage level of the tracking error signal increases, ensuring stability in the servo loop. Another significant patent is the "Reference signal detection circuit in a rotary recording medium." This circuit is integral to reproducing information signals and tracking servo signals from a rotary recording medium. It features a rectifying and smoothing circuit that enhances the performance of the tracking servo operation.

Career Highlights

Yasushi Sano is currently employed at the Victor Company of Japan, Limited, where he continues to innovate and develop new technologies. His work has been instrumental in improving the efficiency and reliability of tracking servo systems.

Collaborations

Throughout his career, Yasushi has collaborated with esteemed colleagues such as Isami Kaneda and Susumu Sakakibara. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their field.

Conclusion

Yasushi Sano's contributions to tracking servo technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of the complexities involved in servo systems, making him a valuable figure in the realm of invention.