Search results
Results from the WOW.Com Content Network
Alexander Graham Bell (/ ˈ ɡ r eɪ. ə m /; born Alexander Bell; March 3, 1847 – August 2, 1922) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist, and engineer who is credited with patenting the first practical telephone. He also co-founded the American Telephone and Telegraph Company (AT&T) in 1885. [7]
This is an accepted version of this page This is the latest accepted revision, reviewed on 22 January 2025. 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 ...
Receiving a U.S. patent for the invention of the telephone on March 7, 1876, Alexander Graham Bell formed the Bell Telephone Company in 1877, which in 1885 became AT&T. [2] [3] [4] When Bell's original patent expired 15 years later in 1894, the telephone market opened to competition and 6,000 new telephone companies started while the Bell ...
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.
A Bell System logo (called the Blue Bell) used from 1889 to 1900 [citation needed] AT&T's lines and metallic circuit connections. March 1, 1891. The formation of the Bell Telephone Company superseded an agreement between Alexander Graham Bell and his financiers, principal among them Gardiner Greene Hubbard and Thomas Sanders.
Alexander Graham Bell School, a preschool and kindergarten center for the Columbus Public Schools Hearing Impaired Program (CHIP) in Columbus, Ohio; Alexander Graham Bell Elementary School, a (K–1) public school in Columbus, OH; Alexander Graham Bell Elementary School, a (PK–1) public school for regular, gifted and deaf students in Chicago, IL;
The basic distinction between Edison's first phonograph patent and the Bell and Tainter patent of 1886 was the method of recording. Edison's method was to indent the sound waves on a piece of tin-foil while Bell and Tainter's invention called for cutting or "engraving" the sound waves into an ozokerite wax record with a sharp recording stylus.
Alexander Graham Bell's Telephone Patent Drawing, 1876 The master telephone patent, 174465, granted to Bell, March 7, 1876 According to Gray's account, his patent caveat was taken to the US patent office a few hours before Bell's application, shortly after the patent office opened, and remained near the bottom of the in-basket until that afternoon.