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What did the actress Hedy Lamarr invent in 1942 that makes possible unlicenced low power radio communication that resists interference?
Wiki User
∙ 10y ago
On August 11, 1942 Hedy Kiesler Markey (her married name) and George Antheil were
granted US Patent 2,292,387 for a frequency-hopping spread-spectrum communication
system for torpedo guidance systems.
The US Navy turned down her idea and did not realize it's value until the US naval
blockade of Cuba in 1962 when it was first implemented.
Today, this technology is widely used Bluetooth, WI-FI, ans microwave connections.
Wiki User
∙ 10y ago
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