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A microphone, colloquially called a mic (/ m aɪ k /), [1] or mike, [a] is a transducer that converts sound into an electrical signal. Microphones are used in many applications such as telephones , hearing aids , public address systems for concert halls and public events, motion picture production, live and recorded audio engineering , sound ...
In September 2005, Verizon Communications began offering a fiber optic digital television service, which became available for 9,000 customers in Keller, Texas.Called Fios TV, the service aimed to replace copper wires with optical fibers. [3]
The photophone was a precursor to the fiber-optic communication systems that achieved worldwide popular usage starting in the 1980s. [ 9 ] [ 10 ] [ 11 ] The master patent for the photophone ( U.S. patent 235,199 Apparatus for Signalling and Communicating, called Photophone ) was issued in December 1880, [ 5 ] many decades before its principles ...
The photophone was a precursor to the fiber-optic communication systems which achieved popular worldwide usage starting in the 1980s. [ 22 ] [ 23 ] [ 24 ] The master patent for the photophone ( U.S. patent 235,199 Apparatus for Signalling and Communicating, called Photophone ), was issued in December 1880, [ 19 ] many decades before its ...
Fiber-optic communication is a method of transmitting information from one place to another by sending pulses of infrared or visible light through an optical fiber. [1][2] The light is a form of carrier wave that is modulated to carry information. [3] Fiber is preferred over electrical cabling when high bandwidth, long distance, or immunity to ...
July 20, 1924 (age 100) Arkadelphia, Arkansas, U.S. Nationality. American. Known for. Optical fiber. Robert D. Maurer (born July 20, 1924) is an American industrial physicist noted for his leadership in the invention of optical fiber. In 1979, Maurer was elected a member of the National Academy of Engineering for contributions to the technology ...
Narinder Singh Kapany (31 October 1926 – 4 December 2020) was an Indian-American physicist best known for his work on fiber optics. [2][3][4] Kapany is a pioneer in the field of fiber optics, known for coining and popularising the term. [5][6] Fortune named him one of seven "Unsung Heroes of the 20th Century" for his Nobel Prize -deserving ...
By 1979, Corning was mass-producing the refined optical fiber invented by Keck in Wilmington, North Carolina. He was elected editor-in-chief of Journal of Lightwave Technology in 1989, a position he held until 1994. After beginning as a senior research scientist in 1968, almost 30 years later, in April 1997, Corning appointed Keck the division ...