• 2011/5/26 (Thu) - 29 (Sun)
  • 10:00a.m. - 4:00p.m.
  • Please visit at least 30 minutes before closing.
  • Please note. To save power, the Open House will end earlier than last year.
  • NHK Science & Technology Research Laboratories
  • 1-10-11 Kinuta, Setagaya-ku Tokyo Japan
    Phone: +81-3-5494-1125
    Fax: +81-3-5494-3125
  • Access Guide
  • Parking is not available.
    Please use public transportation.
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Exhibition

Museum of Broadcasting

31
History of Radio Broadcasting & Evolution of Radio Receivers

From the start of broadcasting to the mid-1950s

Radio broadcasting in Japan started in March 1925. The first broadcasts were from a temporary broadcast station in Shibaura. In July of the same year, a station building was completed in Atagoyama where the broadcasting museum stands now, and broadcasting started in earnest. The broadcasting network was later expanded to cover all of Japan and by 1932 there were over one million radio listeners. In 1939, the Broadcasting Center in Uchisaiwaicho (Tokyo) opened.

The popularity of radio remained deep-rooted even after the start of TV broadcasting in 1953. In fact, the Golden Age of radio broadcasting in Japan was actually the latter half of the 1950s, when people tuned in to a full lineup of programs such as radio serials and quizzes.

This museum section covers our history from the start of radio broadcasting to the mid-1950s. On display are various materials, photographs, and radio receivers from those days. At the start of broadcasting, radio receivers were crystal radios or foreign imports, but large numbers of domestic models soon went on sale. The format evolved from sets using crystals to those using vacuum tubes and eventually transistors. Receivers became more sophisticated and smaller.

Chronology of radio broadcasting