…In 1920, the Russian Léon Thérémine (1896- ) created the Theremin, the first instrument that used a beat oscillator and changed the pitch of the sound by bringing the hand closer to the antenna. In 1926, the German Jörg Mager (1880-1939) invented the Sphaerophon, which also used a beat oscillator and used a dial to control the frequency. In 1928, two Germans (B. Helberger and P. Lertes) invented the Hellertion, which changed the frequency depending on where the ribbon was pressed.… *Some of the terminology explanations that mention "Sphaerophon" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…1920年にロシアのテレミンLéon Thérémine(1896‐ )がうなり発振器を用い,アンテナに手を近づけると音の高さが変化する楽器〈テレミン〉を造ったのが最初。26年に,ドイツのマーゲルJörg Mager(1880‐1939)は同じくうなり発振器を用い,周波数制御にダイヤルを用いる〈スフェロホンSphaerophon〉を考案した。28年には,リボンを押さえる位置で周波数が変化する〈ヘレルツィオンHellertion〉が2人のドイツ人(ヘルベルガーB.HelbergerとレルテスP.Lertes。… ※「Sphaerophon」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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