elisha gray - 888slot

Elisha Gray - Wikipedia

Learn about Elisha Gray, who patented the self-adjusting telegraph relay, the telegraphic repeater and the type-printing telegraph. He also claimed to invent the telephone, but lost the patent dispute to Alexander Graham Bell.

Elisha Gray | Telephone, Telegraph & Electrical Engineering

Gray was one of many researchers and inventors who were in a heated race to produce a practical way of sending multiple messages over a single wire. Such a device - a multiplexer - would dramatically expand system capacity and would be a huge commercial success.

Elisha Gray's Telephone Invention Patent Caveat - ThoughtCo

Elisha Gray (August 2, 1835 - January 21, 1901) was an American electrical engineer who co-founded the Western Electric Manufacturing Company. Gray is best known for his development of a telephone prototype in 1876 in Highland Park, Illinois.

Elisha Gray - Engineering and Technology History Wiki - ETHW

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.

Elisha Gray | Encyclopedia.com

The invention of the telephone. It was at this time, 1876-1877, that a new invention called the telephone emerged. It is not easy to determine who the inventor was. Both Alexander Graham Bell and Elisha Gray submitted independent patent applications concerning telephones to the patent office in Washington on February 14, 1876.

Timing is Everything - Elisha Gray and the Telephone Patent

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.

Elisha Gray and the Telephone - JSTOR

Elisha Gray was a prolific inventor of telegraph and telephone devices, including the telautograph, a precursor of the fax machine. He also competed with Alexander Graham Bell for the patent of the telephone and contributed to the telephone call box and speaking telephones.

Elisha Gray | People | The Collection of Historical Scientific Instruments

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 ...

NIHF Inductee Elisha Gray Invented the Telegraphic Instrument

Learn about Elisha Gray, a technological whiz who developed prototypes of the telephone, the electronic music synthesizer, the fax machine and more. Find out how he competed with Alexander Graham Bell for the patent and why his invention is now credited as the first successful telephone prototype.

Elisha Gray: Oberlin Inventor and Electric Music Pioneer

Learn about the dispute over who invented the telephone, involving Alexander Graham Bell, Elisha Gray, and Antonio Meucci. Explore the historical documents, patents, and sources from the Library of Congress.