Search results
Results from the WOW.Com Content Network
Wireless communication. 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 ...
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 ...
Harriot Daley became the first telephone switchboard operator at the United States Capitol in 1898. [ 6 ] [ 7 ] [ 8 ] Julia O'Connor , a former telephone operator, led the Telephone Operators' Strike of 1919 and the Telephone Operators' Strike of 1923 against New England Telephone Company on behalf of the IBEW Telephone Operators' Department ...
He later moved to New York City and worked on the New York World newspaper. He is best known for the invention of the crossword puzzle in 1913, when he was a resident of Cedar Grove, New Jersey. [5] Wynne created the page of puzzles for the "Fun" section of the Sunday edition of the New York World. For the December 21, 1913, edition, he ...
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 ...
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]
In 1962, the Bell System, the U.S. telephone monopoly, presented its Bellboy radio paging system at the Seattle World's Fair. Bellboy was the first commercial system for personal paging. It also marked one of the first consumer applications of the transistor (invented by Bell Labs in 1947), for which three Bell Labs inventors received a Nobel ...
The First Telephone Exchange was a historic site located in New Haven, Connecticut, notable for being the site of the world's first commercial telephone exchange. The exchange was established by George W. Coy, proprietor of the District Telephone Company of New Haven, in 1878. Coy had built the world's first commercial telephone switchboard ...