The best-known application is in consumer electronics. PCAP technology enables the intuitive multi-touch operation that is essential to the user experience of modern smartphones and tablets.
Although a finger is the primary input device, capacitive screens can also be operated with special styluses. These pens are made of conductive material and simulate the touch of a finger for more precise input.
Standard gloves insulate the electrical charge, but there are special models with conductive threads in the fingertips. These allow a capacitive screen to be operated even in cold conditions.
The screen does not respond to pressure, but to the electrical conductivity of an object. It detects the disturbance in the electrostatic field that occurs when a conductive object touches the surface.
The technology is based on capacitance change. The screen and the finger temporarily form a capacitor. The screen controller measures this change and can thus locate a touch very accurately.
Unlike older resistive screens, which responded to physical pressure, a capacitive screen requires only a light touch. This provides a more durable surface and a smoother user experience.
The 'Projected Capacitive' (PCAP) technology, which is used in most modern devices, can detect multiple touch points simultaneously. This enables complex gestures such as 'pinching' and 'zooming'.
At Dytos, we understand that each industry has specific requirements for touch solutions. That's why we offer a wide range of products and services designed to meet these diverse needs.
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