Specifications

Elo TouchSystems (800) ELO-TOUCH or [phone] • Fax [phone] • www.elotouch.com
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CarrollTouch: Infrared Technology
CarrollTouch infrared technology
Scanning infrared (IR) technology relies on the interruption of
an IR light grid in front of the display screen. The touch frame
contains rows of IR-light-emitting diodes (LEDs) and photo
transistors, which create a grid of invisible infrared light. The
IR controller sequentially pulses the LEDs to create the grid of
IR light beams. When a stylus, such as a finger, enters the
grid, it obstructs the beams. One or more photo transistors
detect the absence of light and transmit a signal that identifies
the X and Y coordinates.
Perfect operation in direct sunlight
With CarrollTouch touchscreens, you can have the benefits of
infrared technology in direct sunlight. CarrollTouch flat-panel
touchscreens are available with unique high-ambient-light
circuitry that operates flawlessly even in 10,000 foot-candles
of direct light.
Completely sealable
CarrollTouch infrared touchscreens offer a built-in filter to
protect the surface of the display and to seal the unit up to
NEMA 4 or IP56. The touchscreens can be operated with
any kind of stylus—including gloved fingers—which is one
reason CarrollTouch is the preferred choice in hospital oper-
ating rooms around the world. Consistent quality, even in
the severest environments, makes CarrollTouch unrivaled for
heavy industrial, medical, commercial food preparation and
service, and other clean-room applications.
CarrollTouch Performance
Edge of active
display area
Inside and outside
edges of infrared
transparent bezel
Opto-matrix
frame inside
bezel
TOUCH ACTIVATION
Grid of
infrared light
Typical accuracy 1.2 mm
Response time 23 ms
Resolution 4096 x 4096 touchpoints
Light transmission 90 to 100%
Operating temperature –20°C to 70°C
Storage temperature –40°C to 85°C
Sealability Designed to meet NEMA
3/3R/4/5/12/12K/13,
IP56
Benefits of CarrollTouch infrared
• Withstands severe environments
• Adjusts to changing light conditions, including direct
sunlight
• Stable, drift-free calibration performance
• Rugged dependability
• Parallax-free performance for LCD displays
• Sealability—designed to meet national and industrial
standards
• Perfect solution for large plasma screens with clip-on
frame, requiring no additional agency approvals and no
need to add fragile glass that adds weight and can break
CarrollTouch applications
• Indoor/outdoor kiosks
•ATMs
•Ticketing machines
• Medical instrumentation
•Process-control systems
• Hospital operating rooms
• Commercial transportation
• Commercial food preparation and service