Fujio Sumi

Title: The Innovations of Fujio Sumi

Introduction

Fujio Sumi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of radio communication, holding a total of 6 patents. His work focuses on enhancing the efficiency and functionality of radio relay systems.

Latest Patents

Among his latest patents are innovative methods and systems that improve radio relay communication. One of his patents describes a radio relay method and system that allows a signal transmitted from an active radio unit to be received and recorded. When the transmission from this unit stops, the recorded signal is reproduced and transmitted by a relay unit, which is then received by another radio unit. This system includes a relay start signal that prompts the relay unit to generate a synchronization signal, allowing for efficient transmission of compressed signals. Another patent details a DTMF signal transmission method that enables simultaneous transmission and reception of audio signals using a single frequency. This method divides speech audio signals by a predetermined time interval, allowing for effective communication with telephone sets.

Career Highlights

Fujio Sumi has worked with several prominent companies, including Fuji-Tekku Kabushiki Kaisha and Tohoku Electric Power Company, Inc. His experience in these organizations has contributed to his expertise in radio communication technologies.

Collaborations

Throughout his career, Sumi has collaborated with notable individuals such as Sakari Ohira and Kenichi Suzuki. These partnerships have likely influenced his innovative approaches and advancements in his field.

Conclusion

Fujio Sumi's contributions to radio communication through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to impact the way we understand and utilize radio relay systems today.