[2] In 1925, Takayanagi began research on television after reading about the new technology in a French magazine.
He developed a system similar to that of John Logie Baird, using a Nipkow disk to scan the subject and generate electrical signals.
But unlike Baird, Takayanagi took the important step of using a cathode ray tube to display the received signal, thereby developing the first "all-electronic" television set.
This was several months before Philo T. Farnsworth demonstrated his first fully electronic system in San Francisco on September 7, 1927, which did not require a Nipkow disk.
In subsequent years, Takayanagi continued to play a key role in the development of television at NHK (the Japan Broadcasting Corporation) and then at JVC (Victor Company of Japan), where he eventually became vice president.