Yahoo Search Busca da Web

Resultado da Busca

  1. 3 de ago. de 2022 · El 2 de agosto de 1835 nació Elisha Gray, el hombre que podría haber sido reconocido como el inventor del teléfono si Alexander Graham Bell no hubiera corrido antes hasta la oficina de patentes. Gray era un inventor prolífico que recibió patentes para más de 70 inventos, que incluyen la impresora telegráfica, la casilla de respuesta automática del Sistema A.D.T., y el indicador de agujas.

  2. Gray est l'inventeur en 1876 du télégraphe musical, ancêtre du synthétiseur, basé sur l'oscillateur électrique. Le télégraphe musical est équipé d'un petit clavier et donne du son par le biais de haut-parleurs. Elisha Gray dépose un avis de brevet le même jour que Graham Bell concernant l'invention du téléphone, cependant ...

  3. Elisha Gray gave the first public demonstration of his invention for transmitting musical tones at the Presbyterian Church in Highland Park, Illinois on December 29, 1874 and transmitted “familiar melodies through telegraph wire” according to a newspaper announcement– possibly using a piano as a resonating amplifier.

  4. 2 de ago. de 2019 · Elisha Gray (1835-1901) On August 2, 1835, American electrical engineer Elisha Gray was born. Gray is best known for his development of a telephone prototype in 1876 and is considered by some to be the true inventor of the variable resistance telephone, despite losing out to Alexander Graham Bell for the telephone patent. But besides the ...

  5. 21 de mai. de 2021 · In the 1870s, Elisha Gray and Alexander Graham Bell independently designed devices that could transmit speech electrically. Both men rushed their respective designs for these prototype telephones to the patent office within hours of each other. Bell patented his telephone first and later emerged the victor in a legal dispute with Gray.

  6. 22 de jan. de 2016 · Elisha Gray was an electrical engineer considered by some to be the true inventor of the telephone, despite losing out the patent to Alexander Graham Bell . Gray was born in 1835 in a Quaker family in Ohio. He went to Oberlin College but he did not graduate. However, he experimented with and taught electricity in the science departments.

  7. Previously, Elisha Gray (1835-1901) had been an established inventor within the telegraphy field and maintained close contact with Western Union. For him, it was natural to invest all of his efforts in multiplex telegraphy. He was also successful in developing a functioning system and won the prize that had been established.