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The Telephone System


The telephone is one of the most creative and prized inventions in the
world. It has advanced from its humble beginnings to its wireless communication
technology today and for the future. The inhabitants of the earth have long
communicated over a distance, which has been done by shouting from one hilltop
or tower to another. The word "telephone" originated from a combination of two
Greek words: "tele", meaning far off, and "phone", meaning voice or sound, and
became the known term for "far- speaking."
A basic telephone usually contains a transmitter, that transfers the
caller's voice, and a receiver, that amplifies sound from an incoming call. In
the transmitter there are two common kinds of transmitters: the carbon
transmitter, and the electret transmitter. The carbon transmitter uses carbon
granules between metal plates called, electrodes, with one consisting of a thin
diaphragm that moves by pressure from sound waves and transmits them to the......

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Approximate Word Count: 882
Approximate Pages: 4 (250 words per double-spaced page)

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