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1667 to 1875. 1667: Robert Hooke creates an acoustic string telephone that conveys sounds over a taut extended wire by mechanical vibrations. [1][2] 1844: Innocenzo Manzetti first suggests the idea of an electric "speaking telegraph", or telephone. 1849: Antonio Meucci demonstrates a communicating device to individuals in Havana.
Verizon Communications Inc. (/ vəˈraɪzən / və-RY-zən), is an American telecommunications company headquartered in New York City. [3] It is the world's second-largest telecommunications company by revenue and its mobile network is the largest wireless carrier in the United States, with 114.2 million subscribers as of September 30, 2024.
Martin Cooper (inventor) Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [2][3] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from ...
Verizon. Verizon is an American wireless network operator that previously operated as a separate division of Verizon Communications under the name Verizon Wireless. In a 2019 reorganization, Verizon moved the wireless products and services into the divisions Verizon Consumer and Verizon Business, and stopped using the Verizon Wireless name.
The breakup of the Bell System resulted in the creation of seven independent companies that were formed from the original twenty-two AT&T-controlled members of the System. [5] On January 1, 1984, these companies were NYNEX, Pacific Telesis, Ameritech, Bell Atlantic, Southwestern Bell Corporation, BellSouth, and US West. NYNEX, merged with Bell ...
2015: Verizon acquires AOL and its full set of brands, the first notable media acquisition that lays the groundwork for what would become known as the Verizon Media Group. 2016 : Verizon acquires ...
Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard originally developed by Bell Labs and later modified in a cooperative effort between Bell Labs and Motorola. It was officially introduced in the Americas on October 13, 1983, [1][2][3] and was deployed in many other countries too, including Israel in 1986, Australia ...
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