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The invention of radio communication was preceded by many decades of establishing theoretical underpinnings, ... In 1883 George FitzGerald suggested [41] ...
The invention of the superheterodyne receiver solved this problem, and the first radios with a heterodyne radio receiver went for sale in 1924. But it was costly, and the technology was shelved while waiting for the technology to mature, and in 1929 the Radiola 66 and Radiola 67 went for sale.
1920s: Radio was first used to transmit pictures visible as television. 1926: Official Egyptian decree to regulate radio transmission stations and radio receivers. [40] Early 1930s: Single sideband (SSB) and frequency modulation (FM) were invented by amateur radio operators. By 1940, they were established commercial modes.
George Owen Squier (March 21, 1865 – March 24, 1934) was an American general, scientist, and inventor [2] best known for inventing and popularizing what today is called Muzak. [ 3 ] [ 4 ] Life and military career
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-".
George H. Sweigert (1920–1999) is credited as the first inventor to patent the cordless telephone. [1]Born in Akron, Ohio, Sweigert served five years in the US Army as a radio operator in World War II in Guadalcanal, Bougainville, Fiji and New Georgia assigned to the 145th Headquarters Company under the 37th Infantry Division (United States).
On January 20, 1985, President Ronald Reagan was sworn in for his second term as president with George H.W. Bush as vice president. Reagan remains the oldest U.S. president to date to be sworn in ...
It was developed in 1954 [1] [2] by inventor George Eash [3] [4] (although the invention of the Fidelipac cartridge has also been credited to Vern Nolte of the Automatic Tape Company [5] [6]), and commercially introduced in 1959 by Collins Radio Co. at the 1959 NAB Convention.