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This timeline of the telephone covers landline, radio, and cellular telephony technologies and provides many important dates in the history of the telephone. Charles Bourseul. Johann Philipp Reis. Elisha Gray.
This history of the telephone chronicles the development of the electrical telephone, and includes a brief overview of its predecessors. The first telephone patent was granted to Alexander Graham Bell in 1869.
4 dni temu · Within 20 years of the 1876 Bell patent, the telephone instrument, as modified by Thomas Watson, Emil Berliner, Thomas Edison, and others, acquired a functional design that has not changed fundamentally in more than a century.
20 wrz 2024 · The history of the telephone started in 1876 with Alexander Graham Bell’s invention, which made it possible to transmit speech over wires.
Explore the interactive timeline of telecommunications history from ancient times to the present day. Learn how the telephone and its associated technologies changed the way we live, work and play, and shaped the future of telecom.
Learn how the telephone was invented by Alexander Graham Bell, based on the work of other scientists, and how it evolved over time. See the chronology of the telephone from 1832 to 1926, with key events and facts.
4 dni temu · 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.
