{"id":20002,"date":"2020-10-26T12:01:25","date_gmt":"2020-10-26T11:01:25","guid":{"rendered":"https:\/\/rinconeducativo.org\/recursos-educativos\/johann-philipp-reis-cientifico-autodidacta-profesor-e-inventor-del-telefono\/"},"modified":"2024-12-17T13:38:09","modified_gmt":"2024-12-17T12:38:09","slug":"johann-philipp-reis-scientist-self-taught-teacher-inventor-telephone","status":"publish","type":"re_recurso","link":"https:\/\/rinconeducativo.org\/en\/recursos-educativos\/johann-philipp-reis-scientist-self-taught-teacher-inventor-telephone\/","title":{"rendered":"Johann Philipp Reis, scientist, self-taught, teacher, and inventor of the telephone?"},"content":{"rendered":"
\n
\"Johann<\/figure>\n<\/div>\n\n\n

January 7, 1834, Gelnhausen (Germany) \u2013 January 14, 1874, Friedrichsdorf (Germany)<\/p>\n\n\n\n

Self-taught scientist and inventor who spoke French, English, Latin, and Italian and who also discovered that he loved teaching.<\/p>\n\n\n\n

In 1854, he read an article published by the Frenchman Charles Bourseul on how to create devices such as the microphone and since then, the idea of creating a device to transmit sound through electricity haunted him.<\/p>\n\n\n\n

He investigated whether electricity could propagate through space just as light did, without the support of a conductive material. In 1859, he wrote an article with the results \"The radiation of electricity\" to be published in the \"Annalen der Physik<\/em>\", although it was rejected.<\/p>\n\n\n

\n
\"Invento<\/figure>\n<\/div>\n\n\n

In 1860, he created his prototype of what he called a \"telephone\", which could cover a distance of 100 meters. Reis's loudspeaker worked by Magnetostriction (a property of magnetic materials that causes them to change shape when they are in the presence of a magnetic field) and its receiver was a coil with wire around an iron needle of a loom leaning against the violin hole As electrical current passed through the needle, the wire contracted and contact was made. It was very insensitive and produced a very weak sound signal but of acceptable quality. In addition, a very high voltage was necessary.<\/p>\n\n\n\n

It was patented that his instrument was not only limited to emitting musical notes, since Reis, to prove that his voice could be successfully recognized from the other side, introduced a phrase in German that was difficult to understand acoustically that said: \u201cThe horse does not eat a salad of cucumber\u201d.<\/p>\n\n\n\n

He tried to have his invention published in the \"Annalen der Physik\" and was rejected again. Reis put it down to being considered \"a poor school teacher.\"<\/p>\n\n\n\n

He had great difficulty getting his discovery taken seriously in Germany. He presented it on October 26, 1861, to the Physical Association of Frankfurt am Main<\/a> and, in 1862, he even showed it to Wilhelm von Legat, inspector of the Royal Prussian Telegraph Corps<\/em>, who wrote a description of it, which, curiously, Thomas Alva Edison<\/a> used in 1875 to develop his carbon microphone.<\/p>\n\n\n\n

Reis was only partially successful because he could transmit continuous musical notes, but produced incomprehensible words. In 1865, David E. Hughes used his model with better results.<\/p>\n\n\n\n

In 1947, the invention was tested by the British company Standard Telephones and Cables<\/em> (STC) and they confirmed that it could weakly transmit and receive voice. At the time, STC was in talks with \"Alexander Graham Bell's American Telephone and Telegraph Company<\/em>\" and they decided to hide said results to maintain Bell's reputation.<\/p>\n\n\n\n

The controversy over the invention of the telephone is served, in addition to Reis and Bell, many others claimed to be authors of its invention. It was one of the oldest patent interference cases in the United States and involved Bell, Edison, Elisha Grey, Emil Berliner, Amos Dolbear, JW McDonagh, GB Richmond, WL Voeker, JH Irwin, and Francis Blake Jr. Finally, on 27 The February 1901 ruling was decided in Bell's favor, and the Bell Telephone Company <\/em>prevailed in this crucial decision, as well as in each of the more than 600 pending cases related to the invention of the telephone.<\/p>\n\n\n\n

He died at the age of 40 from tuberculosis.<\/p>\n\n\n\n

Every two years the German Association for Electrical Engineering (VDE), Deutsche Telekom and the cities of Friedrichsdorf and Gelnhausen present the Johann Philipp Reis Prize to scientists for \"distinguished achievements in the area of communication technology\".<\/p>\n","protected":false},"excerpt":{"rendered":"

Johann Philipp Reis, scientist, self-taught, teacher, and inventor of the telephone?<\/p>\n","protected":false},"author":1088,"featured_media":17894,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[8071,8448,7566,7951,7146],"edad":[7139,7161,7137,7140],"recursos_tipo":[7271],"recursos_tema":[7187,7186,7949],"clasificacion_anterior":[],"class_list":["post-20002","re_recurso","type-re_recurso","status-publish","has-post-thumbnail","hentry","tag-electricity","tag-electromagnetism","tag-energia-en","tag-magnetism","tag-radiation-en","edad-mas-16-en","edad-06-12-years-old","edad-de-12-a-16-en","edad-todas-las-edades-en","recursos_tipo-relevant-people","recursos_tema-electricity","recursos_tema-energy","recursos_tema-magnetism"],"acf":[],"yoast_head":"\nJohann Philipp Reis, scientist, self-taught, teacher, and inventor of the telephone? - Rinc\u00f3n educativo<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rinconeducativo.org\/en\/recursos-educativos\/johann-philipp-reis-scientist-self-taught-teacher-inventor-telephone\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Johann Philipp Reis, scientist, self-taught, teacher, and inventor of the telephone? 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