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telephone, an instrument designed for the simultaneous transmission and reception of the human voice. The telephone is inexpensive, is simple to operate, and offers its users an immediate, personal type of communication that cannot be obtained through any other medium. As a result, it has become the most widely used telecommunications device in ...
An old rotary dial telephone. AT&T push button telephone made by Western Electric, model 2500 DMG black, 1980. A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice ...
Jul 29, 2023 · Parts of a telephone. A telephone is not just the thing that sits on your table at home. It's a complete system: the handset at your end, the cable that runs into the wall, a whole collection of communication apparatus (copper cables, fiber-optics, microwave towers, and satellites) that carries telephone signals across country, some switching apparatus that makes sure calls get to the right ...
It was variously called the "MOS telephone", the "push-button telephone chip", and the "telephone on a chip". It used MOS IC logic, with thousands of MOSFETs on a chip, to convert the keypad input into a pulse signal. This made it possible for push-button telephones to be used with pulse dialing at most telephone exchanges.
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Jul 18, 2023 · Howstuffworks.com. The telephone network starts in your house. A pair of copper wires run from a box at the road to a box (often called an entrance bridge) at your house. From there, the pair of wires is connected to each phone jack in your house (usually using red and green wires).
- Who invented the telephone?Alexander Graham Bell invented the telephone in 1876, though there's some controversy over whether Bell was the true pioneer.
- When did telephones become common in homes?By 1920, roughly 30 percent of houses had a telephone. This rose to about 62 percent in the '50s and 90 percent in the '90s.
- What are the parts of a telephone?A telephone is made up of a power source, switch hook, dialer, ringer, transmitter, receiver, and an anti-sidetone circuit.
- Where does the word telephone come from?The word telephone came from the Greek roots "tēle", meaning "far," and "phonē" meaning "sound."
- How do telephones work?A traditional landline telephone system only contains three simple parts: a hook switch, which connects and disconnects the phone from the network;...
Nov 9, 2009 · Alexander Graham Bell is known for his many inventions, especially the telephone and a metal detector. He later created the Bell Telephone Company, now AT&T.
