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. Author manuscript; available in PMC: 2010 Dec 20.
Published in final edited form as: IEEE Trans Circuits Syst II Express Briefs. 2010 Apr 1;57(4):260–264. doi: 10.1109/TCSII.2010.2043470

Fig. 7.

Fig. 7

(a) Simulated and measured overall efficiency values versus the coils’ distance in open- and closed-loop conditions. (b) Open- and closed-loop load regulation. (c) Open- and closed-loop voltage variations vs. Tx coil rotations.