On the verge of the Tokyo Olympic Games in 1964, he conducted research and development of a variety of equipment and was also involved in the prototyping of condenser microphones as the general manager of Sony's commercial audio equipment development. Heitaro Nakajima, led the production of C-37A. C-37A, introduced in 1958, became the first domestic vacuum tube condenser microphone, and also this became the first of Sony's professional products.ĭr. While working on microphones for recorders, Sony became the first domestic company to delve into the field of condenser microphones, which, at the time, was overwhelmed by foreign products.
Manufacture of transistors was also going strong by the time they changed our company name to "Sony Corporation" in 1957, and the "Sony" brand name had already spread widely around the world. Around the time of its founding, business around tape recorders was the driving force behind Tokyo Telecommunications Engineering Corporation.
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