
Figure 1:
Basic configuration of sensing circuit using GIC as virtual inductor.

Figure 2:
Experimental setup to confirm the effect of expanding detection range by the floating electrode.

Figure 3:
Photograph of electrodes used in the experiment shown in Figure 2.

Figure 4:
Dependence of LPF output on distance y at x = 0.

Figure 5:
Dependence of LPF output on x at y = 10 mm.

Figure 6:
Experimental setup of two-channel sensing.

Figure 7:
Circuit diagram of electronic circuit used in two-channel experiments.

Figure 8:
Dependence of LPF output on x in two-channel sensing.

Figure 9:
Comparison between estimated y and actual y.

Figure 10:
Comparison between estimated x and actual x.

Figure 11:
Experimental 3D proximity sensing panel frame.

Figure 12:
Detection of hand position by 3D proximity sensing panel frame.

Figure 13:
Example of application to non-contact menu selection panel.