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Homephones
On March 7, 1876 the u.s goverment granted Alex Graham Bell the patent for the home phone. On July 9, 1877 He astablish the first telephone enterprise. On December 20,1897 the priencebles of bell telephone created southern Bell telephone. -
Homephones
IN 1880 bell merged his company with others to form the American bell telephone company.In 1885 American telegraph and telephone company was formed; it dominated telephone communications for the next century. -
Homephones
In 1900 there were nearly 600,000 in Bell's telephones systems;the number shot up to 2.2 million phones in 1905.In 1907 the company had a near monopoly on phone telegraph service. -
Homephones
In 1910 the telephone system was 5.8 million phones.In 1915 the transcontinental telephone line began operating. During wold war 1 the government nationalized telephone and telegraph lines in the United States formed between June 1918 and July 1919. -
Homephones
AT&T develops the frequency multiplexing concept, in which frequencies of speech are shifted electronically among various frequency bands to allow several telephone calls at the same time. -
Homephones
1934 the government again acted, this time agreeing to allow it to operate as a "regulated monopoly" under the jurisdiction of the FCC. -
Homephones
In 1948, the 30 millionth phone was connected in the United States.AT&T introduces the Model 500 telephone, the first that combines a ringer and handset. The classic black rotary phone, featuring an adjustable volume control for the bell and later a variety of colors, becomes a cultural icon. -
homephones
1951 In a test in Englewood, New Jersey, whould be able to make long-distance calls within the United States directly, without the assistance of an operator. -
Homephones
In the 1960s, there were more than 80 million phone hookups in the U.S. and 160 million in the world. -
Homephones
The conclusion of a U.S. Department of Justice anti-trust suit that had been filed in 1974. -
Homephones
In 1980, there were more than 175 million telephone subscriber lines in the U.S. -
Homephones
In 1994 the company stopped making homephones and started making cell phones.
