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As it expanded, the company was first renamed Connecticut Telephone, and then Southern New England Telephone in 1882. [23] The site of the first telephone exchange was granted a designation as a National Historic Landmark on 23 April 1965. However it was withdrawn in 1973 in order to demolish the building and construct a parking garage. [23
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.
20 March 1880: National Bell Telephone merges with others to form the American Bell Telephone Company. 1 April 1880: world's first wireless telephone call on Bell and Tainter's photophone (distant precursor to fiber-optic communications) from the Franklin School in Washington, D.C. to the window of Bell's laboratory, 213 meters away. [20] [21]
A satellite telephone, or satphone, is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites, as cellphones do. Therefore, they can work in most geographic locations on the Earth's surface, as long as open sky and the line-of-sight ...
In the west, the line has been completed to Ruby Valley (now Nevada, then Utah Territory), somewhat over 200 miles to reach Salt Lake. (The distances reported in the article are not exact.) The total gap in telegraphic connection between west and east is now about 550 miles, which the Pony Express can normally cover in less than four days. [107]
After commercial long-distance telephone service was established via communication satellites, a host of other commercial telecommunications were also adapted to similar satellites starting in 1979, including mobile satellite phones, satellite radio, satellite television and satellite Internet access.
A payphone (alternative spelling: pay phone or pay telephone or public phone) is typically a coin-operated public telephone, often located in a telephone booth or in high-traffic public areas. Prepayment is required by inserting coins or telephone tokens , swiping a credit or debit card, or using a telephone card .
A tin can phone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire. It is a particular case of mechanical telephony , where sound (i.e., vibrations in the air) is converted into vibrations along a liquid or solid medium .