Company Filing History:
Years Active: 1983
Title: Innovations of Robert M Shoji
Introduction
Robert M Shoji is a notable inventor based in Gardena, CA (US). He has made significant contributions to the field of optical record mediums, particularly in the development of advanced tracking systems. With a total of 2 patents, his work has had a considerable impact on playback systems for video discs.
Latest Patents
Shoji's latest patents include a "Scanning Beam Control System" and a "Tracking System for Optical Record Medium." The Scanning Beam Control System is designed to adjust the characteristics of a beam scanning a record medium. This system is particularly useful in playback systems for recovering information from selected recording tracks on optical media. It features a tracking apparatus that generates a tracking error signal, which helps in aligning the reading beam with the track. Additionally, it includes a dimple compensation circuit that monitors the tracking error signal to prevent reading errors caused by defects on the video disc.
The Tracking System for Optical Record Medium also focuses on recovering information from optical media. It produces a tracking error signal that indicates the deviation of the reading beam from the centerline of the track. This system incorporates a defect detection circuit that generates control signals when defects are detected, ensuring that the reading beam maintains its position until the defect is passed.
Career Highlights
Robert M Shoji is currently associated with Discovision Associates, where he continues to innovate in the field of optical technologies. His work has been instrumental in enhancing the reliability and efficiency of playback systems.
Collaborations
Throughout his career, Shoji has collaborated with notable colleagues, including John S Chudy and Carlyle J Eberly. These collaborations have contributed to the advancement of technologies in the optical media sector.
Conclusion
Robert M Shoji's contributions to the field of optical record mediums through his innovative patents have significantly improved playback systems. His work continues to influence the industry, showcasing the importance of innovation in technology.