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In 1942, actress Hedy Lamarr and composer George Antheil received U.S. patent 2,292,387 for their "Secret Communications System", [9] [10] an early version of frequency hopping using a piano-roll to switch among 88 frequencies to make radio-guided torpedoes harder for enemies to detect or jam.
Hedy Lamarr (/ ˈ h ɛ d i /; born Hedwig Eva Maria Kiesler; November 9, 1914 [a] – January 19, 2000) was an Austrian-born American actress and inventor. After a brief early film career in Czechoslovakia, including the controversial erotic romantic drama Ecstasy (1933), she fled from her first husband, Friedrich Mandl, and secretly moved to Paris.
During World War II, Golden Age of Hollywood actress Hedy Lamarr and avant-garde composer George Antheil developed an intended jamming-resistant radio guidance system for use in Allied torpedoes, patenting the device under U.S. patent 2,292,387 "Secret Communications System" on August 11, 1942. Their approach was unique in that frequency ...
Hedy Lamarr, U.S. patent 2,292,387 — with co-inventor George Antheil, frequency hopping spread spectrum radio for jam-proof remote control of torpedoes. This work led to their induction into the National Inventors Hall of Fame in 2014. [3] Abraham Lincoln, [2] U.S. patent 6,469 — [method for] Buoying vessels over shoals. George Lucas [2]
Antheil would control the frequency-hopping sequence using a player-piano mechanism, which he had earlier used to score his Ballet Mécanique. [54] On August 11, 1942, U.S. Patent 2,292,387 was granted to Antheil and "Hedy Kiesler Markey", Lamarr's married name at the time. This early version of frequency hopping, though novel, soon met with ...
Hedy Lamarr (/ ˈ h ɛ d i /; November 9, 1914 – January 19, 2000) was an Austrian-American actress celebrated for her great beauty who was a major contract star of MGM's "Golden Age". Lamarr also co-invented – with composer George Antheil – an early technique for spread spectrum communications and frequency hopping , necessary to ...
Wallace & Gromit's World of Invention is a British science-themed miniseries, starring Peter Sallis, ... Hedy Lamarr's frequency-hopping torpedo system 4. Curiosity ...
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