How A D Metro’s Linear Correlating Touch Technology Has Revolutionized the Touch Screen Industry?

 A D Metro is a well-known name in the touch screen industry for its exceptional and highly innovative touch solutions. The company has been delivering advanced touch screen solutions, for the most difficult applications, for more than 30 years. Linear Correlating Infrared TouchTechnology (LCIR) is A D Metro’s latest innovation, which raises the standard for infrared touch screens. 

 Traditional Infrared touch screens offer superior optical clarity while emitting negligible radio frequency (RF) emissions, however their functionality, and usage are impacted by strong or strobing sunlight. This LCIR offers the same optical and RF benefits but utilizes sophisticated optics and advanced signal processing to reliably deliver multi-touch functionality in applications that experience intense or strobing sunlight. LCIR technology has been developed, particularly, for the aviation and automotive industries, where intense sunlight interferes with display viewing. 

  LCIR touch sensor is mounted as a compact bezel that frames the display surface, providing unhindered optical clarity, which is very important in automotive and aviation. These sensors also deliver two-touch performance by using optical scans at angles across the touch-sensing area. This feature is especially, helpful for applications requiring pinch, zoom, and rotate operations.

A D Metro’s patented linear correlating touch technology comprises a sensor frame and controller board. There are different options for interfacing the controller board with the system including:

1. USB – It interfaces with many operating systems without the need for a driver;

2. RS-232 (low voltage) or I2C. 

 Important Features of A D Metro’s Linear Correlating Touch Technology:

i. 100% EMI and RFI immunity;

ii. Reliable two-touch functionality;

iii. Glove and 5mm Stylus compatibility;

iv. 100% optical clarity/maximum contrast due to the absence of substrate;

v. 100% sunlight immunity- It means an LCIR application can withstand any sunlight exposure, even strobing sunlight e.g. in helicopters;

vi. No moving parts or air gaps- It allows consistent performance across temperature and pressure extremes and offers a near-limitless life span.

 Application of A D Metro’s LCIR Touch Screens

i.  Advanced LCIR touch technology is highly useful for automotive, aviation, and medical applications, as well as other industries requiring ultra-reliable touch screen operation in brighter illuminated conditions. 

ii.  A D Metro’s LCIR touch technology is useful for vehicle applications as it eliminates risks of operator distraction due to glove removal and insufficient display contrast that may lead to accidents.

iii. The responsive and accurate single and two-touch features of the LCIR are ideal for navigation applications.

 Conclusion: 

By leveraging the benefits and features mentioned above, A D Metro’s linear correlating touch technology becomes ideal for applications that are hard to function with traditional infrared touch screens. LCIR touch technology also gets an edge over popular PCAP touch screens due to challenges like radio emission or severe design constraints involving display visibility or glove compatibility. 

 

Location: Ottawa, ON, Canada

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