Magnetic detector

1896,1902 Magnetic detector

The book of science

Tom Sharp

Ernest Rutherford, Guglielmo Marconi electromagnetism

Magnetic detector

Magnetic detectors

Hysteresis of iron

This field of research is richer with branches than the final results might have suggested. These magnetic detectors, like the coherer, worked only for detecting the presence of damped-wave Morse-code transmissions (where the transmitter was turned on briefly for sending a dot and a bit longer for sending a dash), and were made obsolete by continuous-wave transmission for AM radio.

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