Telephone

The telephone (from the Greek: τῆλε, tēle, "far" and φωνή, phōnē, "voice"), colloquially referred to as a phone, is a telecommunications device that transmits and receives sounds, usually the human voice. Telephones are a point-to-point communication system whose most basic function is to allow two people separated by large distances to talk to each other. Developed in the mid-1870s by Alexander Graham Bell and others, the telephone has long been... More

Patent Number:

  • 174,465
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  • 7

101 Gadgets That Changed The World

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