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Many inventions improved the quality of radio, and amateurs experimented with uses of radio, thus planting the first seeds of broadcasting. Telefunken The company Telefunken was founded on May 27, 1903, as "Telefunken society for wireless telefon" of Siemens & Halske (S & H) and the Allgemeine Elektrizitäts-Gesellschaft ( General Electricity ...
Bing Crosby became the first major proponent of magnetic tape recording for radio, and he was the first to use it on network radio, after he did a demonstration program in 1947. [33] [35] Tape had several advantages over earlier recording methods. Running at a sufficiently high speed, it could achieve higher fidelity than both electrical ...
Before the discovery of electromagnetic waves and the development of radio communication, there were many wireless telegraph systems proposed and tested. [4] In April 1872 William Henry Ward received U.S. patent 126,356 for a wireless telegraphy system where he theorized that convection currents in the atmosphere could carry signals like a telegraph wire. [5]
1922: J. McWilliams Stone invents the first portable radio receiver. George Frost builds the first "car radio" in his Ford Model T. 1923 The 15-year-old Manfred von Ardenne is granted his first patent for an electron tube having a plurality of electrodes. Siegmund Loewe (1885–1962) builds with the tube his first radio receiver "Loewe Opta-".
Reginald Aubrey Fessenden (October 6, 1866 – July 22, 1932) was a Canadian electrical engineer and inventor who received hundreds of patents in fields related to radio and sonar between 1891 and 1936 (seven of them after his death).
FM uses frequency modulation of the radio wave to minimize static and interference from electrical equipment and the atmosphere, in the audio program. 1937: W1XOJ, the first experimental FM radio station after Armstrong's W2XMN, was granted a construction permit by the U.S. Federal Communications Commission (FCC).
Radio is a 2003 American biographical sports drama film directed by Mike Tollin.It was inspired by the 1996 Sports Illustrated article "Someone to Lean On" by Gary Smith. [1] [2] The article and the movie are based on the true story of T. L. Hanna High School football coach Harold Jones and a young man with an intellectual disability, James Robert "Radio" Kennedy (Cuba Gooding Jr.).
Empire of the Air: The Men Who Made Radio is a non-fiction book by Tom Lewis, which traces the early development of radio broadcasting in the United States, published by HarperCollins in 1991. [2] The book was adapted into both a 1992 documentary film by Ken Burns and a 1992 radio drama written and directed by David Ossman . [ 3 ]