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2. Touch switch - Wikipedia

   en.wikipedia.org/wiki/Touch_switch

   Touch switch. A touch switch is a type of switch that only has to be touched by an object to operate. It is used in many lamps and wall switches that have a metal exterior as well as on public computer terminals. A touchscreen includes an array of touch switches on a display. A touch switch is the simplest kind of tactile sensor.

3. Capacitive sensing - Wikipedia

   en.wikipedia.org/wiki/Capacitive_sensing

   Capacitive sensing. In electrical engineering, capacitive sensing (sometimes capacitance sensing) is a technology, based on capacitive coupling, that can detect and measure anything that is conductive or has a dielectric constant different from air. Many types of sensors use capacitive sensing, including sensors to detect and measure proximity ...

4. Touch-sensitive lamp - Wikipedia

   en.wikipedia.org/wiki/Touch-sensitive_lamp

   A touch-sensitive lamp is a combination of a lamp and a touch switch. They act on the principle of body capacitance, activated by human touch rather than a flip, push-button, or other mechanical switch. They are popular as desk and nightstand lamps. Touch-sensitive lamp switches may be dimmable, allowing the brightness of the lamp to be ...

5. Multi-touch - Wikipedia

   en.wikipedia.org/wiki/Multi-touch

   Multi-touch is commonly implemented using capacitive sensing technology in mobile devices and smart devices. A capacitive touchscreen typically consists of a capacitive touch sensor, application-specific integrated circuit (ASIC) controller and digital signal processor (DSP) fabricated from CMOS (complementary metal–oxide–semiconductor ...

6. Touchscreen - Wikipedia

   en.wikipedia.org/wiki/Touchscreen

   A user operating a touchscreen. Smart thermostat with touchscreen. A touchscreen (or touch screen) is a type of display that can detect touch input from a user. It consists of both an input device (a touch panel) and an output device (a visual display). The touch panel is typically layered on the top of the electronic visual display of a device.

7. Body capacitance - Wikipedia

   en.wikipedia.org/wiki/Body_capacitance

   Body capacitance can be used to operate touch switches (e.g. for elevators or faucets). They respond to close approach of a part of a human body, usually a fingertip. They don't require applying any force to their surfaces. Rather, the capacitance between electrodes at the device's surface and the fingertip is sensed.