. . "1124325662"^^ . . . 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\u043F\u0440\u0430\u043A\u0442\u0438\u0447\u043D\u043E\u0433\u043E \u0437\u0430\u0441\u0442\u043E\u0441\u0443\u0432\u0430\u043D\u043D\u044F."@uk . . . "The photophone is a telecommunications device that allows transmission of speech on a beam of light. It was invented jointly by Alexander Graham Bell and his assistant Charles Sumner Tainter on February 19, 1880, at Bell's laboratory at 1325 L Street in Washington, D.C. Both were later to become full associates in the Volta Laboratory Association, created and financed by Bell. On June 3, 1880, Bell's assistant transmitted a wireless voice telephone message from the roof of the Franklin School to the window of Bell's laboratory, some 213 meters (about 700 ft.) away."@en . "De fotofoon (Engels: photophone) was een instrument om geluid draadloos over te brengen via lichtstralen. Het werd op 19 februari 1880 uitgevonden door Alexander Graham Bell en Charles Sumner Tainter. Bell beschouwde deze uitvinding als zijn belangrijkste. Op 3 juni 1880 verzond hij het eerste draadloze telefoongesprek via zijn fotofoon. De beroemde woorden van Tainter waren: Mr. Bell, if you hear what I say, come to the window and wave your hat."@nl . . . "Photophone"@pt . . . . . "De fotofoon (Engels: photophone) was een instrument om geluid draadloos over te brengen via lichtstralen. Het werd op 19 februari 1880 uitgevonden door Alexander Graham Bell en Charles Sumner Tainter. Bell beschouwde deze uitvinding als zijn belangrijkste. Op 3 juni 1880 verzond hij het eerste draadloze telefoongesprek via zijn fotofoon. De beroemde woorden van Tainter waren: Mr. Bell, if you hear what I say, come to the window and wave your hat."@nl . . "Fotofono"@it . . . . "\u0424\u043E\u0442\u043E\u0444\u043E\u043D"@ru . . . . . "\u0424\u043E\u0442\u043E\u0444\u043E\u043D \u2014 \u043F\u0440\u0438\u0441\u0442\u0440\u0456\u0439 \u0434\u043B\u044F \u043F\u0435\u0440\u0435\u0434\u0430\u0447\u0456 \u043D\u0430 \u0432\u0456\u0434\u0441\u0442\u0430\u043D\u044C \u0437\u0432\u0443\u043A\u0456\u0432 \u0437\u0430 \u0434\u043E\u043F\u043E\u043C\u043E\u0433\u043E\u044E \u0441\u0432\u0456\u0442\u043B\u0430. \u0404 \u043F\u0435\u0440\u0448\u0438\u043C \u0432 \u0441\u0432\u0456\u0442\u0456 VLC-\u043F\u0440\u0438\u0441\u0442\u0440\u043E\u0454\u043C. 3 \u0447\u0435\u0440\u0432\u043D\u044F 1880 \u0440\u043E\u043A\u0443 \u0410\u043B\u0435\u043A\u0441\u0430\u043D\u0434\u0435\u0440 \u0413\u0440\u0435\u043C \u0411\u0435\u043B\u043B \u0437\u0434\u0456\u0439\u0441\u043D\u0438\u0432 \u043F\u0435\u0440\u0435\u0434\u0430\u0447\u0443 \u043F\u0435\u0440\u0448\u043E\u0433\u043E \u0431\u0435\u0437\u043F\u0440\u043E\u0432\u0456\u0434\u043D\u043E\u0433\u043E \u0442\u0435\u043B\u0435\u0444\u043E\u043D\u043D\u043E\u0433\u043E \u043F\u043E\u0432\u0456\u0434\u043E\u043C\u043B\u0435\u043D\u043D\u044F \u0437\u0430 \u0434\u043E\u043F\u043E\u043C\u043E\u0433\u043E\u044E \u0449\u043E\u0439\u043D\u043E \u0432\u0438\u043D\u0430\u0439\u0434\u0435\u043D\u043E\u0433\u043E \u043D\u0438\u043C \u0444\u043E\u0442\u043E\u0444\u043E\u043D\u0430. \u0411\u0435\u043B\u043B \u0431\u0443\u0432 \u043F\u0435\u0440\u0435\u043A\u043E\u043D\u0430\u043D\u0438\u0439, \u0449\u043E \u0444\u043E\u0442\u043E\u0444\u043E\u043D \u0441\u0442\u0430\u0432 \u0439\u043E\u0433\u043E \u043D\u0430\u0439\u0432\u0438\u0434\u0430\u0442\u043D\u0456\u0448\u0438\u043C \u0432\u0438\u043D\u0430\u0445\u043E\u0434\u043E\u043C. \u041F\u0440\u0438\u0441\u0442\u0440\u0456\u0439 \u0432\u0438\u043A\u043E\u0440\u0438\u0441\u0442\u043E\u0432\u0443\u0432\u0430\u0432 \u0441\u0432\u0456\u0442\u043B\u043E\u0432\u0438\u0439 \u043F\u0440\u043E\u043C\u0456\u043D\u044C \u0434\u043B\u044F \u043F\u0435\u0440\u0435\u0434\u0430\u0447\u0456 \u0437\u0432\u0443\u043A\u0443. \u0417 18 \u043F\u0430\u0442\u0435\u043D\u0442\u0456\u0432 \u0432\u0438\u0434\u0430\u043D\u0438\u0445 \u0411\u0435\u043B\u043B\u0443 \u043D\u0430 \u0439\u043E\u0433\u043E \u0456\u043C'\u044F, \u0442\u0430 12 \u0443 \u044F\u043A\u0438\u0445 \u0432\u0456\u043D \u043C\u0430\u0432 \u0441\u043F\u0456\u0432\u0430\u0432\u0442\u043E\u0440\u0441\u0442\u0432\u043E, \u0447\u043E\u0442\u0438\u0440\u0438 \u0431\u0443\u043B\u0438 \u043F\u043E\u0432'\u044F\u0437\u0430\u043D\u0456 \u0437 \u0444\u043E\u0442\u043E\u0444\u043E\u043D\u043E\u043C."@uk . . . . . 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"Das Photophon oder Photophone (griechisch) ist ein gemeinsam von Alexander Graham Bell und Charles Sumner Tainter 1880 erfundenes drahtloses Lichttelefon zur Fern\u00FCbertragung von Schall und ein Vorl\u00E4ufer des optischen Richtfunks. Der Sender nutzt eine Lichtquelle und einen Apparat mit Sammellinsen, wobei ein Spiegel als Modulator vibriert. Am Empf\u00E4nger war im Brennpunkt eines Parabolspiegels als Lichtwandler zun\u00E4chst eine Membran in einem H\u00F6rrohr und sp\u00E4ter eine Selenzelle in einem Telefonkreis."@de . . . . . . . . "\u0424\u043E\u0442\u043E\u0444\u043E\u043D"@uk . . . . . "El fot\u00F3fono fue un dispositivo que permit\u00EDa la transmisi\u00F3n de sonido por medio de una emisi\u00F3n de luz, inventado en 1880 por Alexander Graham Bell en colaboraci\u00F3n con Charles Sumner Tainter.\u200B\u200B Bell opinaba que el fot\u00F3fono era su invento m\u00E1s importante. De las 18 patentes otorgadas con el nombre de Bell en solitario, y las 12 que comparti\u00F3 con sus colaboradores, cuatro fueron para el fot\u00F3fono, al que Bell se refiri\u00F3 como su \"mayor logro\". Poco antes de su muerte, le dijo a un reportero que el fot\u00F3fono era \"el mejor invento [que he] hecho, m\u00E1s grande que el tel\u00E9fono\".\u200B"@es . . 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\u0648\u0627\u0644\u0627\u062A\u0635\u0627\u0644\u060C \u0648\u0627\u0644\u062A\u064A \u064A\u0637\u0644\u0642 \u0639\u0644\u064A\u0647\u0627 \u0627\u0633\u0645 \u0627\u0644\u0647\u0627\u062A\u0641 \u0627\u0644\u0636\u0648\u0626\u064A) \u0641\u064A \u062F\u064A\u0633\u0645\u0628\u0631 1880\u060C \u0642\u0628\u0644 \u0639\u0642\u0648\u062F \u0639\u062F\u064A\u062F\u0629 \u0645\u0646 \u0648\u062C\u0648\u062F \u062A\u0637\u0628\u064A\u0642\u0627\u062A \u0639\u0645\u0644\u064A\u0629 \u0644\u0645\u0628\u0627\u062F\u0626\u0647."@ar . . . . "El fot\u00F2fon va ser un dispositiu creat per l'inventor i cient\u00EDfic Alexander Graham Bell amb l'ajut de Charles Sumner Tainter, que feia possible que el so es transmet\u00E9s a trav\u00E9s d'una emissi\u00F3 lluminosa. Bell opinava que el fot\u00F2fon era el seu invent m\u00E9s important. De les 18 patents atorgades amb el nom de Bell en solitari, i les 12 que va compartir amb els seus col\u00B7laboradors, 4 van ser pel fot\u00F2fon, al qual Bell es va referir com el seu \"gran assoliment\". Poc abans de morir, li va dir a un reporter que el fot\u00F2fon era \"el millor invent [que he] fet, m\u00E9s gran que el tel\u00E8fon\"."@ca . . . . "Fotofon, anglicky photophon, je telekomunika\u010Dn\u00ED p\u0159\u00EDstroj pro p\u0159enos zvuku pomoc\u00ED m\u011Bn\u00EDc\u00ED se intenzity paprsku sv\u011Btla. Fotofon vynalezl Alexander Graham Bell spole\u010Dn\u011B s jeho asistentem 19. \u00FAnora 1880. Fotofon byl pozd\u011Bji patentov\u00E1n Bellem v roce 1881. Umo\u017E\u0148oval pouze jednosm\u011Brnou komunikaci - p\u0159enos prob\u00EDhal z vys\u00EDlac\u00ED stanice do p\u0159ij\u00EDmac\u00ED stanice. Bell fotofon ozna\u010Dil za sv\u016Fj \"nejv\u011Bt\u0161\u00ED vyn\u00E1lez, je\u0161t\u011B v\u00FDznamn\u011Bj\u0161\u00ED ne\u017E telefon\"."@cs . . "Photophone (t\u00E9l\u00E9phonie optique)"@fr . . "The photophone is a telecommunications device that allows transmission of speech on a beam of light. It was invented jointly by Alexander Graham Bell and his assistant Charles Sumner Tainter on February 19, 1880, at Bell's laboratory at 1325 L Street in Washington, D.C. Both were later to become full associates in the Volta Laboratory Association, created and financed by Bell. On June 3, 1880, Bell's assistant transmitted a wireless voice telephone message from the roof of the Franklin School to the window of Bell's laboratory, some 213 meters (about 700 ft.) away. Bell believed the photophone was his most important invention. Of the 18 patents granted in Bell's name alone, and the 12 he shared with his collaborators, four were for the photophone, which Bell referred to as his \"greatest achievement\", telling a reporter shortly before his death that the photophone was \"the greatest invention [I have] ever made, greater than the telephone\". The photophone was a precursor to the fiber-optic communication systems that achieved worldwide popular usage starting in the 1980s. The master patent for the photophone (U.S. Patent 235,199 Apparatus for Signalling and Communicating, called Photophone) was issued in December 1880, many decades before its principles came to have practical applications."@en . "Le photophone est une technique de t\u00E9l\u00E9phonie optique d\u00E9velopp\u00E9e par Alexander Graham Bell en 1880. La technique repose sur l'utilisation de miroirs associ\u00E9s \u00E0 un cristal de s\u00E9l\u00E9nium. Plusieurs exp\u00E9rimentations permettent de transmettre la voix humaine gr\u00E2ce \u00E0 la lumi\u00E8re, sur plus de 200 m\u00E8tres."@fr . . . . . . . . . "Fotofon"@cs . . . . . . . . . "Fotofon, anglicky photophon, je telekomunika\u010Dn\u00ED p\u0159\u00EDstroj pro p\u0159enos zvuku pomoc\u00ED m\u011Bn\u00EDc\u00ED se intenzity paprsku sv\u011Btla. Fotofon vynalezl Alexander Graham Bell spole\u010Dn\u011B s jeho asistentem 19. \u00FAnora 1880. Fotofon byl pozd\u011Bji patentov\u00E1n Bellem v roce 1881. Umo\u017E\u0148oval pouze jednosm\u011Brnou komunikaci - p\u0159enos prob\u00EDhal z vys\u00EDlac\u00ED stanice do p\u0159ij\u00EDmac\u00ED stanice. Bell fotofon ozna\u010Dil za sv\u016Fj \"nejv\u011Bt\u0161\u00ED vyn\u00E1lez, je\u0161t\u011B v\u00FDznamn\u011Bj\u0161\u00ED ne\u017E telefon\"."@cs . "O Photophone ou Fotofone, \u00E9 um dispositivo de telecomunica\u00E7\u00F5es que permite a transmiss\u00E3o da fala em um feixe de luz. Foi inventado em conjunto por Alexander Graham Bell e seu assistente Charles Sumner Tainter em 19 de fevereiro de 1880, no laborat\u00F3rio de Bell em 1325 L Street em Washington, D.C. Ambos mais tarde se tornariam associados plenos na Volta Laboratory Association, criado e financiado pela Bell. Em 3 de junho de 1880, o assistente de Bell transmitiu uma mensagem de telefone sem fio do telhado da Franklin School para a janela do laborat\u00F3rio de Bell, a cerca de 213 metros de dist\u00E2ncia. Bell acreditava que o fotofone era sua inven\u00E7\u00E3o mais importante. Das 18 patentes concedidas apenas em nome de Bell, e as 12 que ele compartilhou com seus colaboradores, quatro foram para o fotofone, que Bell se referiu como sua \"maior conquista\", dizendo a um rep\u00F3rter pouco antes de sua morte que o fotofone era \"o maior inven\u00E7\u00E3o [que eu] j\u00E1 fiz, maior que o telefone\". O fotofone foi um precursor dos sistemas de comunica\u00E7\u00E3o de fibra \u00F3ptica que alcan\u00E7aram uso popular em todo o mundo a partir da d\u00E9cada de 1980. A patente principal para o fotofone (Patente E.U.A. 235 199 Aparelho para Sinaliza\u00E7\u00E3o e Comunica\u00E7\u00E3o, chamada Photophone ) foi emitida em dezembro de 1880, muitas d\u00E9cadas antes de seus princ\u00EDpios terem aplica\u00E7\u00F5es pr\u00E1ticas."@pt . "\u30D5\u30A9\u30C8\u30D5\u30A9\u30F3\uFF08\u82F1\u8A9E: photophone\uFF09\u306F\u3001\u5149\u306E\u30D3\u30FC\u30E0\u3067\u97F3\u58F0\u3092\u4F1D\u9001\u3059\u308B\u901A\u4FE1\u6A5F\u5668\u3067\u3042\u308B\u3002\u4ED5\u7D44\u307F\u306F\u96FB\u8A71\u3068\u4F3C\u3066\u3044\u308B\u304C\u3001\u4FE1\u53F7\u3092\u96FB\u7DDA\u3067\u306F\u306A\u304F\u5909\u8ABF\u3055\u308C\u305F\u5149\u3067\u4F1D\u3048\u308B\u30021880\u5E74\u306B\u30A2\u30EC\u30AF\u30B5\u30F3\u30C0\u30FC\u30FB\u30B0\u30E9\u30CF\u30E0\u30FB\u30D9\u30EB\u3068\u52A9\u624B\u306E\u30C1\u30E3\u30FC\u30EB\u30BA\u30FB\u30B5\u30E0\u30CA\u30FC\u30FB\u30C6\u30F3\u30BF\u30FC\u304C\u5171\u540C\u3067\u767A\u660E\u3057\u305F\u3002\u30D9\u30EB\u3068\u305D\u306E\u52A9\u624B\u306F\u3001\u7D04700\u30D5\u30A3\u30FC\u30C8\uFF08\u7D04200\u30E1\u30FC\u30C8\u30EB\uFF09\u96E2\u308C\u305F\u5834\u6240\u307E\u3067\u30D5\u30A9\u30C8\u30D5\u30A9\u30F3\u3067\u97F3\u58F0\u3092\u9001\u4FE1\u3057\u305F\u3002"@ja . . . "\u0424\u043E\u0442\u043E\u0444\u043E\u0301\u043D \u2014 \u0443\u0441\u0442\u0440\u043E\u0439\u0441\u0442\u0432\u043E \u0434\u043B\u044F \u043F\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u043D\u0430 \u0440\u0430\u0441\u0441\u0442\u043E\u044F\u043D\u0438\u0435 \u0437\u0432\u0443\u043A\u043E\u0432 \u0441 \u043F\u043E\u043C\u043E\u0449\u044C\u044E \u0441\u0432\u0435\u0442\u0430. \u042F\u0432\u043B\u044F\u0435\u0442\u0441\u044F \u043F\u0435\u0440\u0432\u044B\u043C \u0432 \u043C\u0438\u0440\u0435 VLC-\u0443\u0441\u0442\u0440\u043E\u0439\u0441\u0442\u0432\u043E\u043C."@ru . . . . . . "Das Photophon oder Photophone (griechisch) ist ein gemeinsam von Alexander Graham Bell und Charles Sumner Tainter 1880 erfundenes drahtloses Lichttelefon zur Fern\u00FCbertragung von Schall und ein Vorl\u00E4ufer des optischen Richtfunks. Der Sender nutzt eine Lichtquelle und einen Apparat mit Sammellinsen, wobei ein Spiegel als Modulator vibriert. Am Empf\u00E4nger war im Brennpunkt eines Parabolspiegels als Lichtwandler zun\u00E4chst eine Membran in einem H\u00F6rrohr und sp\u00E4ter eine Selenzelle in einem Telefonkreis."@de . . "right"@en . . . "Fot\u00F3fono"@es . . . . . . . . . . . . . . . "\u30D5\u30A9\u30C8\u30D5\u30A9\u30F3\uFF08\u82F1\u8A9E: photophone\uFF09\u306F\u3001\u5149\u306E\u30D3\u30FC\u30E0\u3067\u97F3\u58F0\u3092\u4F1D\u9001\u3059\u308B\u901A\u4FE1\u6A5F\u5668\u3067\u3042\u308B\u3002\u4ED5\u7D44\u307F\u306F\u96FB\u8A71\u3068\u4F3C\u3066\u3044\u308B\u304C\u3001\u4FE1\u53F7\u3092\u96FB\u7DDA\u3067\u306F\u306A\u304F\u5909\u8ABF\u3055\u308C\u305F\u5149\u3067\u4F1D\u3048\u308B\u30021880\u5E74\u306B\u30A2\u30EC\u30AF\u30B5\u30F3\u30C0\u30FC\u30FB\u30B0\u30E9\u30CF\u30E0\u30FB\u30D9\u30EB\u3068\u52A9\u624B\u306E\u30C1\u30E3\u30FC\u30EB\u30BA\u30FB\u30B5\u30E0\u30CA\u30FC\u30FB\u30C6\u30F3\u30BF\u30FC\u304C\u5171\u540C\u3067\u767A\u660E\u3057\u305F\u3002\u30D9\u30EB\u3068\u305D\u306E\u52A9\u624B\u306F\u3001\u7D04700\u30D5\u30A3\u30FC\u30C8\uFF08\u7D04200\u30E1\u30FC\u30C8\u30EB\uFF09\u96E2\u308C\u305F\u5834\u6240\u307E\u3067\u30D5\u30A9\u30C8\u30D5\u30A9\u30F3\u3067\u97F3\u58F0\u3092\u9001\u4FE1\u3057\u305F\u3002"@ja . . "51160"^^ . . "Photophone"@en . . . . . . "Il fotofono \u00E8 un apparecchio per telecomunicazione audio o telegrafica in cui il mezzo portante \u00E8 un'onda elettromagnetica nello spettro visibile o infrarosso. Fu inventato da Alexander Graham Bell nel 1880. Il sistema prevede un'unit\u00E0 trasmittente ed una ricevente, che possono essere presenti in entrambe le postazioni per assicurare un collegamento full duplex. L'unit\u00E0 trasmittente \u00E8 costituita da una lampada la cui luminosit\u00E0 \u00E8 funzione di un segnale elettrico modulato con il segnale sonoro da inviare, per esempio captato da un microfono. Il ricevitore \u00E8 realizzato con una cellula fotoelettrica in grado di convertire la variazione di intensit\u00E0 luminosa in una corrispondente variazione di corrente elettrica che, previa amplificazione, viene inviata ad una cuffia per l'ascolto. Alloggiando le unit\u00E0 trasmittenti e riceventi in brevi tubi \u00E8 possibile schermare l'influenza della luceambientale ottenendo una portata di diversi chilometri di giorno che aumentano notevolmente di nottema si riducono drasticamente con condizioni meteorologiche sfavorevoli (pioggia, nebbia ecc). Questo sistema di telecomunicazione era impiegato, per scopi militari, tra le postazioni fisse del Vallo Alpino."@it . . "\uAD11\uC120\uC804\uD654"@ko . . . . . . . . . . . "Le photophone est une technique de t\u00E9l\u00E9phonie optique d\u00E9velopp\u00E9e par Alexander Graham Bell en 1880. La technique repose sur l'utilisation de miroirs associ\u00E9s \u00E0 un cristal de s\u00E9l\u00E9nium. Plusieurs exp\u00E9rimentations permettent de transmettre la voix humaine gr\u00E2ce \u00E0 la lumi\u00E8re, sur plus de 200 m\u00E8tres."@fr . . . . . . . . . . . . . "El fot\u00F3fono fue un dispositivo que permit\u00EDa la transmisi\u00F3n de sonido por medio de una emisi\u00F3n de luz, inventado en 1880 por Alexander Graham Bell en colaboraci\u00F3n con Charles Sumner Tainter.\u200B\u200B Bell opinaba que el fot\u00F3fono era su invento m\u00E1s importante. De las 18 patentes otorgadas con el nombre de Bell en solitario, y las 12 que comparti\u00F3 con sus colaboradores, cuatro fueron para el fot\u00F3fono, al que Bell se refiri\u00F3 como su \"mayor logro\". Poco antes de su muerte, le dijo a un reportero que el fot\u00F3fono era \"el mejor invento [que he] hecho, m\u00E1s grande que el tel\u00E9fono\".\u200B"@es . . "Marker on the Franklin School commemorating the first formal trial"@en . . . . . "Photophon"@de . . . . . "\uAD11\uC120\uC804\uD654 \uB610\uB294 \uD3EC\uD1A0\uD3F0(photophone)\uC740 \uAD11\uC120\uC744 \uD1B5\uD574 \uB9D0\uC744 \uC804\uB2EC\uD560 \uC218 \uC788\uAC8C \uD558\uB294 \uC6D0\uAC70\uB9AC \uD1B5\uC2E0 \uC7A5\uCE58\uC774\uB2E4. \uC54C\uB809\uC0B0\uB354 \uADF8\uB808\uC774\uC5C4 \uBCA8\uACFC \uADF8\uC758 \uC870\uC218 \uAC00 1880\uB144 2\uC6D4 19\uC77C \uC6CC\uC2F1\uD134DC 1325 L \uC2A4\uD2B8\uB9AC\uD2B8\uC758 \uBCA8 \uC5F0\uAD6C\uC18C\uC5D0\uC11C \uACF5\uB3D9 \uBC1C\uBA85\uD558\uC600\uB2E4. \uBCA8\uC740 \uAD11\uC120\uC804\uD654\uAC00 \uC790\uC2E0\uC758 \uAC00\uC7A5 \uC911\uC694\uD55C \uBC1C\uBA85\uD488\uC77C \uAC83\uC774\uB77C \uBBFF\uC5C8\uB2E4. \uBCA8\uC774\uB77C\uB294 \uC774\uB984\uC73C\uB85C \uB41C 18\uAC1C \uD2B9\uD5C8 \uC911\uC5D0 12\uAC1C\uB97C \uC790\uC2E0\uC758 \uD611\uB825\uC790\uB4E4\uACFC \uACF5\uC720\uD588\uACE0 4\uAC1C\uB294 \uAD11\uC120\uC804\uD654\uC5D0 \uB300\uD55C \uAC83\uC73C\uB85C, \uBCA8\uC740 \uC774\uB97C \uAC00\uB9AC\uCF1C \"\uAC00\uC7A5 \uC704\uB300\uD55C \uC5C5\uC801\"\uC774\uB77C \uD588\uB2E4."@ko . . . . . . . "Fot\u00F2fon"@ca . . . . "--06-03"^^ . . "33866"^^ . . "Il fotofono \u00E8 un apparecchio per telecomunicazione audio o telegrafica in cui il mezzo portante \u00E8 un'onda elettromagnetica nello spettro visibile o infrarosso. Fu inventato da Alexander Graham Bell nel 1880. Il sistema prevede un'unit\u00E0 trasmittente ed una ricevente, che possono essere presenti in entrambe le postazioni per assicurare un collegamento full duplex. L'unit\u00E0 trasmittente \u00E8 costituita da una lampada la cui luminosit\u00E0 \u00E8 funzione di un segnale elettrico modulato con il segnale sonoro da inviare, per esempio captato da un microfono."@it . . . "\u0424\u043E\u0442\u043E\u0444\u043E\u0301\u043D \u2014 \u0443\u0441\u0442\u0440\u043E\u0439\u0441\u0442\u0432\u043E \u0434\u043B\u044F \u043F\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u043D\u0430 \u0440\u0430\u0441\u0441\u0442\u043E\u044F\u043D\u0438\u0435 \u0437\u0432\u0443\u043A\u043E\u0432 \u0441 \u043F\u043E\u043C\u043E\u0449\u044C\u044E \u0441\u0432\u0435\u0442\u0430. \u042F\u0432\u043B\u044F\u0435\u0442\u0441\u044F \u043F\u0435\u0440\u0432\u044B\u043C \u0432 \u043C\u0438\u0440\u0435 VLC-\u0443\u0441\u0442\u0440\u043E\u0439\u0441\u0442\u0432\u043E\u043C."@ru . . . "Fotofoon"@nl . "\u0647\u0627\u062A\u0641 \u0636\u0648\u0626\u064A"@ar . . . . . . "O Photophone ou Fotofone, \u00E9 um dispositivo de telecomunica\u00E7\u00F5es que permite a transmiss\u00E3o da fala em um feixe de luz. Foi inventado em conjunto por Alexander Graham Bell e seu assistente Charles Sumner Tainter em 19 de fevereiro de 1880, no laborat\u00F3rio de Bell em 1325 L Street em Washington, D.C. Ambos mais tarde se tornariam associados plenos na Volta Laboratory Association, criado e financiado pela Bell. Em 3 de junho de 1880, o assistente de Bell transmitiu uma mensagem de telefone sem fio do telhado da Franklin School para a janela do laborat\u00F3rio de Bell, a cerca de 213 metros de dist\u00E2ncia."@pt . . . . "center"@en . . . . . . . . . "El fot\u00F2fon va ser un dispositiu creat per l'inventor i cient\u00EDfic Alexander Graham Bell amb l'ajut de Charles Sumner Tainter, que feia possible que el so es transmet\u00E9s a trav\u00E9s d'una emissi\u00F3 lluminosa. Bell opinava que el fot\u00F2fon era el seu invent m\u00E9s important. De les 18 patents atorgades amb el nom de Bell en solitari, i les 12 que va compartir amb els seus col\u00B7laboradors, 4 van ser pel fot\u00F2fon, al qual Bell es va referir com el seu \"gran assoliment\". Poc abans de morir, li va dir a un reporter que el fot\u00F2fon era \"el millor invent [que he] fet, m\u00E9s gran que el tel\u00E8fon\"."@ca . . . . .