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11 February 1876: Elisha Gray invents a liquid transmitter for use with a telephone, but he did not make one. 14 February 1876 about 9:30 am: Gray or his lawyer brings Gray's patent caveat for the telephone to the Washington, D.C. Patent Office (a caveat was a notice of intention to file a patent application.
The master telephone patent granted to Bell, 174465, March 7, 1876. The modern telephone is the result of the work of many people. [10] Alexander Graham Bell was, however, the first to patent the telephone, as an "apparatus for transmitting vocal or other sounds telegraphically".
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.
The master telephone patent, 174465, granted to Bell, March 7, 1876 The electric telephone was invented in the 1870s, based on earlier work with harmonic (multi-signal) telegraphs . The first commercial telephone services were set up in 1878 and 1879 on both sides of the Atlantic in the cities of New Haven , Connecticut in the US and London ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 December 2024. Technical and legal issues surrounding the development of the modern telephone For broader coverage of this topic, see History of the telephone. Replica of Antonio Meucci's telettrofono Reis's telephone The invention of the telephone was the culmination of work done by more than one ...
That first patent by Bell was the master patent of the telephone, from which other patents for electric telephone devices and features flowed. [ 12 ] In 1876, shortly after Bell's patent application, Hungarian engineer Tivadar Puskás proposed the telephone switch, which allowed for the formation of telephone exchanges , and eventually networks.
CEO of Verizon Media Guru Gowrappan speaks onstage during The 2020 MAKERS Conference at the InterContinental Los Angeles Downtown in February 2020.
On July 31, 1888, Gray patented the telautograph, an analog precursor to the modern fax machine. Gray's patent stated that the telautograph would allow "one to transmit his own handwriting to a distant point over a two-wire circuit." It was the first facsimile machine in which the stylus was controlled by horizontal and vertical bars. [12]