Telegraphone Te*leg"ra*phone, n. [Gr. th^le far + -graph + ? sound.] An instrument for recording and reproducing sound by local magnetization of a steel wire, disk, or ribbon, moved against the pole of a magnet connected electrically with a telephone receiver, or the like. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

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  • Télégraphone — Brevet US de Valdemar Poulsen pour un enregistreur magnétique à fil. Le télégraphone fut inventé par Valdemar Poulsen en 1898. Cet appareil fut le premier à utiliser le principe de l enregistrement magnétique, c est à dire la magnétisation d un… …   Wikipédia en Français

  • telegraphone — /teuh leg reuh fohn /, n. an early magnetic sound recording device for use with wire, tape, or disks. [1885 90; < Dan telegraphon. See TELE 1, GRAPHO , PHONE] * * * …   Universalium

  • telegraphone — te·leg·ra·phone …   English syllables

  • telegraphone — tə̇ˈlegrəˌfōn noun Etymology: Danish telegrafon, from tele tel (I) + grafon (blend of graf graph and fon phone : an early magnetic recorder …   Useful english dictionary

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  • Valdemar Poulsen — Infobox Engineer image width = 150px caption = Valdemar Poulsen name = Valdemar Poulsen, c.1898 nationality = Danish birth date = November 23, 1869 birth place = Copenhagen death date = July 23, 1942 death place = education = spouse = parents =… …   Wikipedia

  • Poulsen, Valdemar — ▪ Danish engineer born Nov. 23, 1869, Copenhagen, Den. died July 1942, Copenhagen       Danish engineer who in 1903 developed the first device for generating continuous radio waves, thus aiding the development of radio broadcasting.       After… …   Universalium

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  • History of 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. Technology Mechanical recording The first devices for recording sound were… …   Wikipedia

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