What is an infrared touch screen?

An infrared touch screen works by detecting interruptions in an invisible grid of infrared rays. This grid is created by LEDs and phototransistors built into the frame around the screen. When an object, such as a finger or stylus, touches the screen surface, it blocks the infrared rays. The sensors detect this interruption and determine the exact x and y coordinates of the touch point. This technology is independent of the screen itself, which benefits brightness and durability.

Industrial Automation

Industrial Automation

Thanks to their robustness and the ability to operate them with gloves, infrared screens are ideal for industrial environments. They provide reliable input for machine control and process monitoring in control rooms and production facilities.

Medical Equipment

Infrared touch screens can be sealed to achieve a high IP rating, making them resistant to liquids and dust. This is essential for medical equipment that needs to be cleaned and disinfected regularly.

Outdoor kiosks and signage

These screens perform excellently in bright sunlight and are not affected by surface contamination such as dust or grease. This makes them a highly reliable choice for interactive kiosks, wayfinding systems, and other digital signage applications in public spaces.

Transportation and Ticketing

Its durability and reliability make this technology suitable for high-traffic environments, such as ticket machines, payment terminals, and control panels in vehicles. The technology guarantees a long service life under intensive use.

High Light Transmission

Because touch detection takes place within the frame rather than via a layer over the glass, infrared screens offer superior optical clarity. This results in a brighter and sharper image, as there are no additional film layers to reduce light output.

Durable and Reliable

The construction without moving parts and the robust housing make infrared touch screens very durable. The touch functionality is not affected by scratches on the screen surface, which increases reliability and service life.

Flexible Touch Input

Any object that can block infrared light can be used to activate the screen. This includes a bare finger, a gloved hand, a stylus, or a pen. This versatility is a major advantage in various applications.

Multi-touch Capacity

Modern infrared touch screens support multi-touch functionality, enabling intuitive gestures such as pinching and zooming. They can typically recognize multiple touch points simultaneously, ranging from 2 to as many as 40 points.

Summary

An infrared touch screen works by detecting interruptions in an invisible grid of infrared rays. This grid is created by LEDs and phototransistors built into the frame around the screen. When an object, such as a finger or stylus, touches the screen surface, it blocks the infrared rays. The sensors detect this interruption and determine the exact x and y coordinates of the touch point. This technology is independent of the screen itself, which benefits brightness and durability.

Do you have more questions?

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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