Hartley's Law

Ralph V. R. Hartley.

Ralph V. R. Hartley.

In 1928 information theorist Ralph V. R. Hartley of Bell Labs published “Transmission of Information,” in which he proved "that the total amount of information that can be transmitted is proportional to frequency range transmitted and the time of the transmission."

Hartley's law eventually became one of the elements of Claude Shannon's Mathematical Theory of Communication.

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