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Telephone - Wikipedia A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly
History of the telephone - Wikipedia The acoustic tin can telephone, or "lovers' phone", has been known for centuries [1] It connects two diaphragms with a taut string or wire, which transmits sound by mechanical vibrations from one to the other along the wire (and not by a modulated electric current)
Telephone | History, Definition, Invention, Uses, Facts | Britannica What is a telephone? A telephone is an instrument designed for the simultaneous transmission and reception of the human voice Telephones are inexpensive and simple to operate, and they offer an immediate, personal type of communication Billions of telephones are in use around the world
History of the telephone in the United States - Wikipedia In the 20th century the American Telephone and Telegraph Company (AT T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors
Telephony - Wikipedia Telephony ( təˈlɛfəni tə-LEF-ə-nee) is the field of technology involving the development, application, and deployment of telecommunications services for the purpose of electronic transmission of voice, fax, or data, between distant parties The history of telephony is intimately linked to the invention and development of the telephone Telephony is commonly referred to as the
Invention of the telephone - Wikipedia 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
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