Search results with tag "Fujitsu whitepaper"

Fujitsu Whitepaper Capacitive Touch Sensors

temperature drift, etc.). A touch is detected if C M changes from a low (C M1 = C 0) to a higher value (C M2 = C 0 + C T) within a short time period. In order to avoid false detections, the increased C M must exceed a certain threshold, called α. As C M is proportional to the digital control signal D M [0:N], the

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