Technology · Photonics, MEMS & Sensors
Capacitive touch
A sensing method that detects a finger by the change it causes in the capacitance of an electrode pattern, either to ground in self-capacitance mode or between transmit and receive electrodes in mutual-capacitance mode.
Mutual mode supports multi-touch.
- Also known as
- Projected capacitive, PCAP
- Type
- Technology
- Domain
- Photonics, MEMS & Sensors, Sensors
Notes
Touch controllers are increasingly merged with the display driver into a single TDDI chip to save area and cost.
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