Simultaneously, builders were investigating making use of another method in metal detection identified as pulse induction.[fifteen] Not like the conquer frequency oscillator or the induction equilibrium machines, which the two used a uniform alternating existing in a reduced frequency, the pulse induction (PI) device only magnetized the ground with a https://dallascxqxr.wikiconversation.com/6645713/what_does_come_costruire_un_metal_detector_mean