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An NEC pager branded by Deutsche Telekom for the Skyper pager service Original Motorola "Pageboy II" pager, used in New York in the late 1970s. 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.
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]
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 ...
Cooper left his first job at Teletype Corporation in Chicago in 1954 and joined Motorola, Inc. (Schaumburg, Illinois) as a senior development engineer in the mobile equipment group. He developed products including the first cellular-like portable handheld police radio system, produced for the Chicago police department in 1967.
The world's first telephone exchange took place on Jan. 28, 1878. Three weeks later, Coy published a list of New Haven's 50 phone subscribers (names of people and businesses only, as phone numbers ...
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 ...
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