A device that uses resonance to extract a specific frequency component from vibrations or waves. (1) Usually refers to a device for sound, also called a resonance box. The bodies of stringed instruments, the soundboards of pianos, and the tubes of wind instruments are all resonance boxes, although they have different shapes. A wooden box with a vibrating column of air inside is also a type of resonator and is called a sound box. It is used, for example, to amplify the sound of a tuning fork. (2) In the case of electromagnetic waves or electrical vibrations, it is called a resonator. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
共鳴を利用して,振動または波から特定の振動数の成分を取出す装置。 (1) 普通は音に対する装置をさし,共鳴箱とも呼ぶ。弦楽器の胴,ピアノの響板,管楽器の管などは,形は違っているが,すべて共鳴箱である。内部に振動する空気柱をもつ木の箱も共鳴器の1種で,響箱という。これは,たとえば音叉の音を大きくするのに使われる。 (2) 電磁波や電気振動の場合には共振器という。
出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報 |
>>: Resonance (English spelling)
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