Telephone - Wikipedia
A telephone converts sound, typically and most efficiently the human voice, into electronic signals that are transmitted via cables and other communication channels to another telephone which …
The White Pages Phone Book & Directory
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Telephone | History, Definition, Invention, Uses, & Facts ...
Dec 5, 2025 · Telephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device …
How Telephones Work - HowStuffWorks
Apr 14, 2025 · Telephones are one of the most important and useful modern inventions. Learn about telephone operation, creating a telephone network and tones and bandwidth.
TELEPHONE Definition & Meaning - Merriam-Webster
The meaning of TELEPHONE is a device by which sound (such as speech) is converted into electrical impulses and transmitted (as by wire or radio waves) to one or more specific …
The History of the Telephone and How It Was Invented
Sep 20, 2024 · The history of the telephone started in 1876 with Alexander Graham Bell’s invention, which made it possible to transmit speech over wires.
History of the telephone - Wikipedia
It was variously called the "MOS telephone", the "push-button telephone chip", and the "telephone on a chip ". It used MOS IC logic, with thousands of MOSFETs on a chip, to convert the …