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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.
Bombshell: The Hedy Lamarr Story (referred to onscreen as simply Bombshell) is a 2017 American biographical documentary film directed, written and co-edited by Alexandra Dean, about the life of actress and inventor Hedy Lamarr. It had its world premiere at the 2017 Tribeca Film Festival [2] and released theatrically on November 24, 2017. [3]
The following is a list of celebrity inventors and their patents. (For the purposes of this article, an inventor is a person who has been granted a patent.)After Google released a patent search [1] online in December 2006, a website called Ironic Sans, [2] made the public aware of a number of celebrity patents found through the new patent search engine.
Hedy Lamarr (born Hedwig Kiesler, 1914–2000), actress, invented early form of spread spectrum communications technology, a key to modern wireless communication; Marc Lawrence (born Max Goldsmith, 1910–2005), character actor [497] Zero Mostel (born Samuel Mostel, 1915–1977), stage and film actor [498]
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 invented frequency hopping—a technology that could have provided a significant advantage to the United States military in the war—but the Navy shelved her idea and told her to sell war bonds instead. By selling war bonds, she engaged in something deemed more appropriate for a woman, especially a glamorous actress."
Hedy Lamarr and co-inventor, George Antheil, worked on a frequency hopping method to help the Navy control torpedoes remotely. [62] The Navy passed on their idea, but Lamarr and Antheil received a patent for the work on August 11, 1942. [ 62 ]
Techniques known since the 1940s and used in military communication systems since the 1950s "spread" a radio signal over a wide frequency range several magnitudes higher than minimum requirement. The core principle of spread spectrum is the use of noise-like carrier waves, and, as the name implies, bandwidths much wider than that required for ...