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| Our Coordinates: Lat 42.75 N, Long 71.85 W |
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History | | U.S. PATENT No. 2,292,387 |  | Photos | | Here is a copy of the original spread spectrum radio patent co-invented by Hollywood movie actress Hedy Lamarr and composer George Antheil. It was based on the frequency-hopping concept with the keys on a piano representing frequencies, and the subsequent frequency shifts to music. |  | Copy of Patent | Courtesy of the United States Patent Office. AIRLINX Communications, Inc. makes no claim to Patent No. 2,292,387, "SECRET COMMUNICATION SYSTEM," filed June 10, 1941. |  | Diagrams |
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