983515.fig.0012a
(a)
983515.fig.0012b
(b)
983515.fig.0012c
(c)
983515.fig.0012d
(d)
Figure 12: (a) Good electrical contact of ECG electrode made of Ag/AgCl sensor; (b) carbon contact interface; (c) commercial pressure sensitive adhesive; (d) a gecko feet.