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The first telephone pager system was patented in 1949 by Alfred J. Gross. One of the first practical paging services was launched in 1950 for physicians in the New York City area. Physicians paid US$12 per month for the service and carried a 200-gram (7 oz) pager that would receive phone messages within 40 kilometres (25 mi) of a single ...
The New Haven District Telephone Company grew quickly and was reorganized several times in its first years. By 1880, the company had the right from the Bell Telephone Company to service all of Connecticut and western Massachusetts. As it expanded, the company was first renamed Connecticut Telephone, and then Southern New England Telephone in 1882.
1931: The Ericsson DBH 1001 telephone was the first telephone without a separate ringer box. 25 April 1935: First telephone call around the world by wire and radio. 1937: The Western Electric type 302 telephone becomes available for service in the United States. 8 December 1937: Opening of fourth transcontinental telephone line.
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 and replaced by a system of competitors.
New York telephone exchange in the 1880s, with both men and women as operators Paris telephone exchange, 1900 History Telephone operators in Stockholm, Sweden 1902–1903. In January 1878 George Willard Croy became the world's first telephone operator when he started working for the Boston Telephone Dispatch company.
Al Gross (engineer) Irving " Al " Gross ( / ɡroʊs /; February 22, 1918 – December 21, 2000) was a pioneer in mobile wireless communication. He created and patented many communications devices, specifically in relation to an early version of the walkie-talkie, [1] Citizens' Band radio, [2] the telephone pager [2] and the cordless telephone. [3]
First to arrive at the patent office. Gardiner Hubbard, Bell's lead partner in what would become the Bell Telephone Company, had his lawyer file Bell's patent application for the telephone in the U.S. patent office in Washington, D.C., on February 14, 1876. Gray's lawyer filed Gray's caveat the same day.
Cornell then sets up a similar exhibition in New York. Spread of telegraphic lines 1845 The first telegraph office November 14, 1845 report in New York Herald on telegraph lines coming into operation. 1 April 1845: First public telegraph office opens in Washington, D.C., under the control of the Postmaster-General.