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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.
Yes. Current supplier. Various. A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter.
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]
Antonio Santi Giuseppe Meucci (/ meɪˈuːtʃi / may-OO-chee, [1] Italian: [anˈtɔːnjo meˈuttʃi]; 13 April 1808 – 18 October 1889) was an Italian inventor and an associate of Giuseppe Garibaldi, a major political figure in the history of Italy. [2][3] Meucci is best known for developing a voice-communication apparatus that several sources ...
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 ...
The third and most important test was the world's first true long-distance telephone call, placed between Brantford and Paris, Ontario on August 10, 1876. [ 51 ] [ 52 ] For that long-distance call Alexander Graham Bell set up a telephone using telegraph lines at Robert White's Boot and Shoe Store at 90 Grand River Street North in Paris via its ...
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.