Location History:
- Hyogo, JP (1987)
- Amagasaki, JP (1989 - 1991)
Company Filing History:
Years Active: 1987-1991
Title: Shigeo Hayashi: Innovator in Optical Disc Technology
Introduction
Shigeo Hayashi is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 3 patents. His work focuses on enhancing the performance and efficiency of optical disc driving apparatuses.
Latest Patents
One of Hayashi's latest patents is an "Optical memory disc driving apparatus." This invention provides an access control system for optical discs, featuring emphasizing circuits that compensate for frequency response decreases in reproduced signals. The design includes peak detection circuits that detect output signal envelopes, allowing for a broader range of compensation amounts. This innovation effectively utilizes the characteristics of the reproduced signal, reducing the number of separate compensation stages required.
Another notable patent is the "Device for driving and controlling optical head for use in optical disk." This device is designed to drive and control an optical head by forming a light beam spot on an optical disk with multiple tracks. It includes a head actuator for radial movement, a speed detector for track-crossing speed, and a reference speed generator that adjusts the moving speed signal based on the distance to the target track. The system ensures precise control of the optical head's speed, enhancing the overall performance of optical disc reading and writing.
Career Highlights
Shigeo Hayashi is associated with Mitsubishi Electric Corporation, a leading company in the electronics and technology sector. His work has significantly impacted the development of optical disc technologies, contributing to advancements in data storage and retrieval systems.
Collaborations
Hayashi has collaborated with notable colleagues, including Keiji Nakatsu and Masaharu Ogawa. Their combined expertise has fostered innovation in optical technologies, leading to the development of cutting-edge solutions in the industry.
Conclusion
Shigeo Hayashi's contributions to optical disc technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in data storage solutions, showcasing the importance of innovation in technology.