U.S. Patent Number 2,292,387 granted on August 11, 1942, to Hedy Keisler Markey aka Hedy Lamarr and George Antheil for a "Secret Communications System."
Silver Screen superstar Hedy Lamarr
(born Hedwig Kiesler Markey) with the help of composer George Antheil invented
a secret communication system in an effort to help the allies defeat the
Germans in World War II. The invention, patented in 1941, manipulated radio
frequencies between transmission and reception to develop an unbreakable
code so that top-secret messages could not be intercepted. The technology
called spread spectrum, now takes on many forms. However, all the
spread spectrum that we use today directly or indirectly, flows from the
invention created by
Hedy Lamarr was truely a movie star and an inventor.
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