History of the telephone - Wikipedia
WEBShows Bell's second telephone transmitter (microphone), invented 1876 and first displayed at the Centennial Exposition, Philadelphia. This history of the telephone chronicles the development of the electrical telephone, and includes a brief overview of its predecessors.
Telephone | History, Definition, Invention, Uses, & Facts
WEBJul 30, 2024 · This article describes the functional components of the modern telephone and traces the historical development of the telephone instrument. In addition it describes the development of what is known as the public switched telephone network (PSTN).
The History of the Telephone and How It Was Invented
WEB2 days ago · The history of the telephone started in 1876 with Alexander Graham Bell’s invention, which made it possible to transmit speech over wires.
The Complete History of Phones from the Last 500 Years
WEBFeb 16, 2022 · From the controversy surrounding the first telephone to the development of the telephone network, all offer an insight into the minds of the pioneers who helped shape the modern understanding of our world.
Alexander Graham Bell: Telephone & Inventions - HISTORY
WEBNov 9, 2009 · Alexander Graham Bell, best known for his invention of the telephone, revolutionized communication as we know it. His interest in sound technology was deep-rooted and personal, as both his...
The Development of the Telephone | American Experience | PBS
WEBJoseph Henry lays the groundwork for the telephone, Alexander Graham Bell invents the telephone and the telephone goes national.
Invention of the telephone - Wikipedia
WEBThe concept of the telephone dates back to the string telephone or lover's telephone that has been known for centuries, comprising two diaphragms connected by a taut string or wire. Sound waves are carried as mechanical vibrations along the string or wire from one diaphragm to the other.
Telephone - Invention, Alexander Graham Bell, Communication
WEBJul 30, 2024 · In the 1870s two American inventors, Elisha Gray and Alexander Graham Bell, each independently, designed devices that could transmit speech electrically. Gray’s first device made use of a harmonic telegraph, the transmitter and receiver of which consisted of a set of metallic reeds tuned to different frequencies.
Alexander Graham Bell | Biography, Education, Telephone, …
WEB5 days ago · Alexander Graham Bell, Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and refinement of the phonograph (1886). He also worked on use of light to transmit sound, development of a metal detector, and heavier-than-air flight.
Alexander Graham Bell - Inventions, Telephone & Facts - Biography
WEBApr 3, 2014 · Alexander Graham Bell was a Scottish-born scientist and inventor best known for inventing the first working telephone in 1876 and founding the Bell Telephone Company in 1877.