The essential idea of this toy was that a diaphragm can collect voice sounds from the voice sounds for reproduction at a distance. The classic example is the tin can telephone, a children's toy made by connecting the two ends of a string to the bottoms of two metal cans, paper cups or similar items. Sound waves are carried as mechanical vibrations along the string or wire from one diaphragm to the other. 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. JSTOR ( March 2018) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Invention of the telephone" – news Please help improve this article by adding citations to reliable sources in this section. This section needs additional citations for verification.
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