Frequency-hopping

1942

Frequency-hopping

The book of science

Tom Sharp

Hedy Lamarr, George Antheil telecommunication

Frequency-hopping

Prior art, post art

Cross-disciplinary work

Radio jamming became widespread during World War II, became a feature of the Cold War, and is used today by China and Cuba to reduce access to foreign radio stations.

See also in The book of science:

Readings on wikipedia: