Toshio Sato

Title: **Innovative Mind: The Patents of Toshio Sato**

Introduction

Toshio Sato is an accomplished inventor based in Moriguchi, Japan. With two notable patents to his name, he has made significant contributions to the field of optical systems and servo control technology, particularly within his role at Matsushita Electric Industrial Co., Ltd.

Latest Patents

Toshio Sato's recent innovations include a robust *servo control system for optical systems* designed to enhance the focus of converging light beams. This system employs an error amplifier to derive signals reflecting the displacement of a laser beam's focus point across various planes of an optical disc. It also incorporates a differentiator to ascertain the rate of variation in the error signal and a comparator that detects the maximum peak of the differentiated signal, crucial for keeping track of the recording plane during operation.

Another remarkable patent involves an *optical system featuring a diode laser light source* that is tailored for optical data recording and reproducing devices, such as optical video disc equipment. This system integrates a diode laser, alongside a condenser lens and a cylindrical lens assembly to optimize light beam magnification. The result is a constricted light beam with a circular cross-section, which allows for high-density information recording with minimal energy consumption. During playback, the system adeptly enlarges the constricted beam laterally, ensuring reliable tracking control.

Career Highlights

During his tenure at Matsushita Electric Industrial Co., Ltd., Toshio Sato has focused on advancing optical technologies, demonstrating both innovative thinking and practical engineering skills. His inventions have helped pave the way for advancements in optical data storage, enabling higher efficiency and performance.

Collaborations

Toshio has collaborated closely with fellow inventors Shunji Harigae and Tomio Yoshida, contributing to the development of groundbreaking technologies in the optical electronics field. Their combined efforts have strengthened the innovations emerging from Matsushita Electric and showcased their teamwork in solving complex engineering challenges.

Conclusion

Toshio Sato's contributions to the realm of optical systems through his patented inventions not only highlight his skills as an inventor but also reflect the ongoing innovation within Matsushita Electric Industrial Co., Ltd. His dedication to improving optical technology is commendable and showcases the impact of focused research and collaboration in advancing modern engineering solutions.