Location History:
- Kanagawa, JP (1996)
- Yokosuka, JP (1999)
Company Filing History:
Years Active: 1996-1999
Title: Nori Shibata: Innovator in Optical Technology
Introduction
Nori Shibata, an accomplished inventor based in Kanagawa, Japan, has made significant contributions to the field of optical technology. With a total of two patents under his name, Shibata's innovations are shaping the future of communication systems, particularly in the domains of signal processing and transmission.
Latest Patents
Shibata's latest patents include an AM/FM converter and an optical signal transmission system. The AM/FM converter features an optical frequency modulation section that processes multi-channel AM video signals, outputting a modulated optical signal beam. This innovative design also includes an optical heterodyne detection section that uses a semiconductor local laser and a photodiode to convert received optical signals into electrical batched FM modulation signals, widening the frequency band and enhancing signal quality.
His optical transmission system revolutionizes how binary signals are handled. At the transmitter side, input binary signals are transformed into duobinary signals, leading to an efficient optical intensity modulation. This technique minimizes the optical intensity at the center of the duobinary signal while maximizing it for the other values, resulting in a more efficient transmission. The receiver employs simple direct detection, allowing for the recovery of the original binary signal without the need for a duobinary decoder, improving overall system sensitivity and reducing bandwidth requirements.
Career Highlights
Throughout his career, Shibata has been instrumental in advancing optical technology at Nippon Telegraph and Telephone Corporation. His work in developing systems that optimize signal processing has positioned him as a leader in the realm of telecommunications and optical signal processing.
Collaborations
In his innovative journey, Shibata has collaborated with esteemed coworkers, including Kazushige Yonenaga and Shigeru Kuwano. Together, they have pooled their expertise to push the boundaries of optical transmission technology, contributing to the advancement of telecommunications on a global scale.
Conclusion
Nori Shibata's inventive spirit and dedication to advancing optical technology have led to substantial developments in the field. With his patents, he is paving the way for more efficient and robust communication systems that will impact various industries for years to come. As a noteworthy inventor, Shibata continues to inspire future generations of innovators in the telecommunications sector.