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Yasujiro Niwa (丹羽 保次郎, Niwa Yasujirō, April 1, 1893 – February 28, 1975) was a Japanese electrical scientist from Matsusaka, Mie. In the 1920s, he invented a simple device for phototelegraphic transmission through cable and later via radio, a precursor to mechanical television.
Yasujiro Niwa (丹羽 保次郎, Niwa Yasujirō, 1 de abril de 1893 – 28 de febrero de 1975) fue un científico eléctrico japonés de Matsusaka, Mie. En la década de 1920, inventó un dispositivo sencillo para la transmisión fototelegráfica por cable y más tarde por radio, precursor de la televisión mecánica.
Yasujiro Niwa, who was 35 years old at the time and head of the Technology Division at NEC, was leading the development efforts. Focusing on the future potential of photo transmission technology early on, in 1927, Niwa established the Transmission Department within NEC and proceeded with the development of the technology for commercialization.
Yasujiro Niwa Phototelegraphic Method. Yasujiro Niwa and Masatsugu Kobayashi invented a new type of phototelegraphic device, consisting of a separate transmitter and receiver and using a dedicated line, which would lay the technological foundation for the present-day fax machine.
7 de oct. de 2002 · After perfecting the cable phototelegraphic transmission method, Yasujiro Niwa turned his attention to research of transmission of images through radio and in year 4 of the Showa Era, he successfully tested wireless transmission of images over large distances in Tokyo.
At the urging of Yasujiro Niwa, Kanichi Ohashi of the Electro Technical Institute read a paper which Nakajima wrote for the Nippon Electric Monthly Bulletin and was fascinated by it, but for Ohashi too, this was his first contact with Boolean algebra.
丹羽保次郎記念論文賞. 募集について. 東京電機大学では初代学長 故丹羽保次郎博士のご功績を記念して、昭和52年より電子通信工学関連分野において（情報工学、電気工学等の関連分野を広く含みます）独創的な研究に従事し、かつ優秀な論文を発表した ...
