Yahoo Search Busca da Web

Resultado da Busca

  1. Gray é mais conhecido pelo desenvolvimento de um protótipo de telefone em 1876 em Highland Park, Illinois e é considerado por alguns autores [2] como sendo o verdadeiro inventor do telefone de resistência variável, apesar de perder para Alexander Graham Bell a patente do telefone.

    • Engenheiro/Inventor
  2. en.wikipedia.org › wiki › Elisha_GrayElisha Gray - Wikipedia

    • Biography and Early Inventions
    • Telephone
    • Further Inventions
    • Publications
    • See Also
    • External Links

    Gray was born in Barnesville, Ohio, the son of Christiana (Edgerton) and David Gray. His family were Quakers. He was brought up on a farm. He spent several years at Oberlin Collegewhere he experimented with electrical devices. Although Gray did not graduate, he taught electricity and science there and built laboratory equipment for its science depa...

    Because of Samuel White's opposition to Gray working on the telephone, Gray did not tell anybody about his invention for transmitting voice sounds until February 11, 1876 (Friday). The only remaining proof is a drawing he made on that day. Gray requested that his patent lawyer William D. Baldwin prepare a "caveat" for filing at the US Patent Office...

    In 1887, Gray invented the telautograph, a device that could remotely transmit handwriting through telegraph systems. Gray was granted several patents for these pioneer fax machines, and the Gray National Telautograph Company was chartered in 1888 and continued in business as The Telautograph Corporation for many years; after a series of mergers it...

    Gray wrote several books including: 1. Experimental Researches in Electro-Harmonic Telegraphy and Telephony, 1867–1876(Appleton, 1878) 2. Telegraphy and Telephony(1878) 3. Electricity and Magnetism(1900) and 4. Nature's Miracles(1900) a nontechnical discussion of science and technology for the general public.

    Works by Elisha Gray at Project Gutenberg
    Works by or about Elisha Gray at Internet Archive
    Works by Elisha Gray at LibriVox(public domain audiobooks)
    "Gray, Elisha" . Encyclopædia Britannica. Vol. 12 (11th ed.). 1911. pp. 390–391.
    • Engineer/Inventor
  3. Elisha Gray (born Aug. 2, 1835, Barnesville, Ohio, U.S.—died Jan. 21, 1901, Newtonville, Mass.) was a U.S. inventor and contestant with Alexander Graham Bell in a famous legal battle over the invention of the telephone. Gray invented a number of telegraphic devices and in 1869 was one of two partners who founded what became Western Electric ...

    • The Editors of Encyclopaedia Britannica
  4. 10 de mar. de 2020 · Graham Bell disputou uma verdadeira corrida com o engenheiro Elisha Gray para ver quem teria a patente da invenção do telefone “Senhor Watson, venha para cá. Quero falar com você”: os bastidores do primeiro telefonema da História, que completa 144 anos

  5. 2 de ago. de 2019 · 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 telephone, Gray was ...

  6. 7 de mar. de 2021 · A invenção foi registrada horas antes do estudioso e engenheiro eletricista Elisha Gray, que é considerado, por alguns autores, como o verdadeiro inventor do telefone.

  7. www.wikiwand.com › pt › Elisha_GrayElisha Gray - Wikiwand

    Elisha Gray ( 2 de agosto de 1835 - 21 de janeiro de 1901) foi um engenheiro eletricista estadunidense que co-fundou a Western Electric Manufacturing Company. Gray é mais conhecido pelo desenvolvimento de um protótipo de telefone em 1876 em Highland Park, Illinois e é considerado por alguns autores como sendo o verdadeiro inventor do ...