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1. www.britannica.com › technology › telephoneTelephone | History, Definition, Invention, Uses, & Facts

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   30. Juli 2024 · telephone, an instrument designed for the simultaneous transmission and reception of the human voice. The telephone is inexpensive, is simple to operate, and offers its users an immediate, personal type of communication that cannot be obtained through any other medium.

2. en.wikipedia.org › wiki › History_of_the_telephoneHistory of the telephone - Wikipedia

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   Shows 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.

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     Introduction to Telephone Systems

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     Lecture 25: Telephone System | Computer Networks

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4. de.wikipedia.org › wiki › TelefonTelefon – Wikipedia

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   Ein Telefon, in älterer Schreibung Telephon, auch Fernsprechapparat oder Fernsprecher genannt, ist ein in seiner modernen Form 1876 von Alexander Graham Bell entwickeltes Kommunikationsmittel zur Übermittlung von Tönen und speziell von Sprache mittels elektrischer Signale. Die Begriffe Fernsprecher und Fernsprechapparat gehen auf ...

5. en.wikipedia.org › wiki › Invention_of_the_telephoneInvention of the telephone - Wikipedia

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   The 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.

6. www.thoughtco.com › history-of-the-telephone-alexanderThe Invention and Evolution of the Telephone - ThoughtCo

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   21. Mai 2021 · Two men invented the telephone, but Alexander Graham Bell is the one most people today remember. Learn all about Bell and the history of the telephone.

   • Autor: Mary Bellis

7. www.history.com › topics › inventionsAlexander Graham Bell: Telephone & Inventions | HISTORY

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   9. Nov. 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 wife...

8. www.britannica.com › technology › telephoneTelephone - Invention, Alexander Graham Bell, Communication

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   30. Juli 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.

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