Dictaphone

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1917 Dictaphone advertisement

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A Dictaphone is a sound recording device most commonly used to record speech for later playback or to be typed into print. The name "Dictaphone" is a trade mark of a corporation which makes such devices, but has also become a common way to refer to all such devices, especially historic versions that used phonograph cylinders as the recording medium, as was common from the late 19th century until the mid 20th century, when audio tape became the preferred medium. Sometimes when the general term rather than the specific company is referred to, the variation "dictophone" is used.

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The name "Dictaphone" was trademarked by the Columbia Graphophone Company in 1907, which soon became the leading manufacturer of such devices. Dictaphone was spun off into a separate company in 1923 under the leadership of C. King Woodbridge, whose brother-in-law, George Albert Kimball successfully designed and built both the sewer system and then the subway system for the city of Boston.

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The machine marketed by the Edison Records company was trademarked as the "Ediphone".

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Sound recording: Methods and media for sound recording are varied and have undergone significant changes between the first time sound was actually recorded for later playback until now....

Speech: One might be looking for the academic discipline of communications....

Trade mark: REDIRECT Trademark...