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The first telephone pager system was patented in 1949 by Alfred J. Gross. [7] Intended for the use of physicians, there was initial resistance to the idea of being permanently on-call, according to Gross. [8] One of the first practical paging services was launched in 1950 for physicians in the New York City area. [9]
The Lake Creek Settlement was located between the West Fork of the San Jacinto River (Texas) and the stream known as Lake Creek. It was the first Anglo-American settlement in what is today western Montgomery County, Texas . In July 1837, the town of Montgomery, Texas was founded in the middle of the Lake Creek Settlement, at the site of W. W ...
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.
Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois. Tivadar Puskás proposed the telephone switchboard exchange in 1876. Thomas Edison invented the carbon microphone which produced a strong telephone ...
1931: The Ericsson DBH 1001 telephone was the first telephone without a separate ringer box. [32] 25 April 1935: First telephone call around the world by wire and radio. [23] 1937: The Western Electric type 302 telephone becomes available for service in the United States. 8 December 1937: Opening of fourth transcontinental telephone line. [23]
a Boston University (see below). b See below. c Two died soon after birth. Alexander Graham Bell (/ ˈɡreɪ.əm /, born Alexander Bell; March 3, 1847 – August 2, 1922) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist, and engineer who is credited with patenting the first practical telephone.
Alexander Graham Bell. Bell's March 10, 1876, laboratory notebook entry describing his first successful experiment with the telephone. Alexander Graham Bell had pioneered a system called visible speech, developed by his father, to teach deaf children. In 1872 Bell founded a school in Boston, Massachusetts, to train teachers of the deaf.
Died. 1915 (aged 54–55) Occupation. Telephone operator. Known for. World's first female telephone operator. Notes. In 1900, Emma, her parents, her sister Stella, and Stella's husband, William G Evart, and 10-year-old son, Arthur C Evart, were living together in Chelsea, Massachusetts [1] [disputed – discuss] Emma Nutt (July 1860 – 1915 ...