A method for determining the electromagnetic RF shielding effectiveness of a shielding enclosure including sequentially driving the four diagonally opposite corner pairs of the enclosure with a RF signal, measuring the RF energy leakage for each corner pair, and averaging the four measured RF leakage...http://www.google.fr/patents/US5153524?utm_source=gb-gplus-shareBrevet US5153524 - Testing electromagnetic shielding effectiveness of shielded enclosures
Testing electromagnetic shielding effectiveness of shielded enclosures