WIEGAND EFFECT
Wednesday, 19 January 2011 by Nundnet
The original patent of Wiegand was first awarded by United States Patent & Trademark office in 1974 on June 25, 1974 for its inventor John Richard Wiegand. Wiegand effect, named owing to its Inventor, a German scientist John Richard Wiegand. The Wiegand effect is the non linear magnetic effect produced in specially hardened and annealed (heat treated)
- Published in Access Controls, Technology, Turnstiles