This is a short summary of the paper
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The Telephone System
Start of Term Paper
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 ov .... Middle of Term Paper
... one consisting of a thin
diaphragm that moves by pressure from sound waves and transmits them to the
carbon granules. These electrodes conduct electricity flowing through the
carbon. The sound waves hit the diaphragm causing the electrical resistance of
the carbon to vary. The electret transmitter is composed of a thin disk of
metal-coated plastic held above a thicker, hollow metal disk. This plastic disk
is electrically charged, and creates an electric field. The sound waves from
the caller's voice cause the plastic disk to vibrate, changing the distance
between the disks, thus changing the intensity of the electric field. These
vari ... |
| Number of Words: 904 |
Approximate Pages: 4 |
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