Charles Cagniard de la Tour, C.

Japanese: Charles Cagniard de la Tour,C.(英語表記)CharlesCagniarddelaTourC
Charles Cagniard de la Tour, C.

…When one of the disks is rotated, air is released from the holes only when the small holes in the other disks are aligned, and this intermittent air flow produces a sound whose fundamental frequency is the product of the number of holes and the number of rotations of the disks. It was invented in 1819 by French physicist Charles Cagniard de la Tour (1777-1859). It can produce a louder sound than an ordinary speaker, so it is used as a powerful sound source in signal and warning devices. …

*Some of the terminology that mentions "Charles Cagniard de la Tour, C." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…円板の1枚を回転させると,2枚の板の小穴が合ったときだけに穴から空気が噴出し,この断続的な空気流によって,穴数と円板の回転数とを掛けた周波数を基本音とした音が発生する。1819年,フランスの物理学者カニャール・ド・ラ・トゥールCharles Cagniard de la Tour(1777‐1859)によって発明された。ふつうのスピーカーに比較して大きな音を発生させることができるので,強力音源として信号や警報用の装置に利用されている。…

※「Charles Cagniard de la Tour,C.」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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