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Telephone - Wikipedia A telephone, colloquially referred to as a phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly
History of the telephone - Wikipedia Antonio Meucci, 1854, constructed telephone-like devices Philipp Reis, 1861, constructed the first telephone, today called the Reis telephone Alexander Graham Bell was awarded the first U S patent for the invention of the telephone in 1876
Telephone | History, Definition, Invention, Uses, Facts | Britannica Telephone, an instrument designed for the simultaneous transmission and reception of the human voice It has become the most widely used telecommunications device in the world, and billions of telephones are in use
Alexander Graham Bell: Telephone Inventions - HISTORY 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
Who invented the telephone? - Live Science The Scottish-born Alexander Graham Bell is routinely credited as the inventor of the telephone and the first person to speak over the phone In that first telephone call, on March 10, 1876, he
How Telephones Work - HowStuffWorks Telephones are one of the most important and useful modern inventions Learn about telephone operation, creating a telephone network and tones and bandwidth
Telephone - Invention, Alexander Graham Bell, Communication 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
telephone summary | Britannica telephone, Instrument designed for simultaneous transmission and reception of the human voice It works by converting the sound waves of the human voice to pulses of electric current, transmitting the current, and then retranslating the current back to sound