Spectrograph

Japanese: spectrograph
Spectrograph

...(1) Articulatory phonetics was thoroughly studied by H. Sweet, E. Sievers, O. Jespersen and others from the end of the 19th century through observation and experimentation of articulatory activity, and was established as a science. (2) Acoustic phonetics has long used instruments such as oscillographs, but made great strides since the development of an acoustic analysis device called a spectrograph (the trademark name Sonograph is more often used) during World War II. (3) Auditory phonetics is a major branch, but research into it has only just begun. ...

From [Spectroscope]

...The following are commonly known as spectroscopes: (1) Spectrograph: A device that places a photographic material (such as a dry plate or film) on the spectral focal plane of a spectroscopic optical system to take a spectrum photograph of the desired wavelength range. (2) Monochromator: A device that places a slit at the spectral focal plane of a spectroscopic optical system to allow the optical power (spectral element) of the desired wavelength to be extracted at any time. It is also called a monochromator. ...

*Some terminology explanations that mention "spectrograph" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…(1)の調音音声学は調音活動の観察や実験を通し19世紀末からH.スウィート,ジーフェルスE.Sievers,O.イェスペルセンなどにより綿密に研究され科学として確立されるにいたった。(2)の音響音声学は以前からオシログラフのような器械を使用してきたが,第2次大戦中にスペクトログラフspectrograph(商標であるソナグラフの名が使われることがむしろ多い)という音響分析装置が開発されてから長足の進歩をとげた。(3)の聴覚音声学は主要な部門であるが研究は端緒についたばかりである。…

【分光器】より

…ちなみに通称分光器といわれているものには次のものがある。 (1)分光写真器spectrograph 分光光学系のスペクトル焦点面上に写真感光材(乾板,フィルムなど)をセットし,目的とする波長域のスペクトル写真を撮る装置。(2)モノクロメーターmonochromator 分光光学系のスペクトル焦点面位置にスリットを置き,目的とする波長の光パワー(スペクトル素分)を随時取り出せるようにした装置で,単色光器ともいう。…

※「spectrograph」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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