. "An alternative electrode pattern embodiment is illustrated in FIGS. 6 and 7; FIG. 6 is a diagram drawn to scale and illustrating the component side layout of conductive traces on a printed circuit board including a balanced pad sensor electrode pattern 69, and FIG. 7 is an edge view, in elevation, illustrating the conductive traces of balanced pad sensor electrode pattern 69, as seen from the side" . . .