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Wolverine Computing Platform

Supplier: GE Intelligent Platforms Embedded Systems

By combining an embedded Intel processor with a 15" LCD and touch screen, the Wolverine can offer an amazing amount of functionality in a small, rugged package.

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The system features a Pentium M 1.6 GHz processor with up to 2 GB DDR SDRAM, a hard drive and/or Solid-state drive (SSD), wireless and copper Ethernet, AC or DC power options, arm, yoke or panel mounting options, a removable Hard Drive and accessible PCMCIA I/O. Other I/O includes three serial ports, Ethernet, Printer, two USB ports, RJ45 connector, plus PS/2 Mouse and Keyboard.

Sunlight Readable LCD Enhancements

Because the Wolverine is generally used in uncontrolled lighting environments, it has a number of passive enhancements to improve readability. The touchscreen has an anti-glare coating on its face plus an anti-reflective coating on the back and front of the LCD. The LCD also has a transflective backlight enhancement film. These coatings match the index of refraction to reduce light reflecting back at the viewer which increases the contrast ratio. See Figure 1.

A typical LCD will turn black when exposed to sunlight and UV radiation. Design innovations allow the Wolverine's LCD to operate in direct sunlight.

Through the use of these special coatings, films, and filters, the unit obtains sunlight readability without additional backlights. The end result is >1000-nit equivalent viewing without the additional power draw and heat generation of more backlights. Consequently, the unit has a longer life, better processor performance, and a wider operating temperature range.

Touchscreen: Acrylic-on-Glass Resistive

Designing a touchscreen that will function in a rugged environment is no simple matter. The Wolverine's laminated construction with strengthened glass offers resistance to high impact forces and withstands significant shock and vibration in extreme environments. At the same time, it provides up to 87% light transmission and as low as 6% low light reflection. The screen excels in harsh environments by allowing for a UL50, Type 4 seal and certification for hazardous locations. Perhaps most importantly, it functions with a variety of gloves through a range of contaminants. See Figure 2.

Rugged Performance

At a hardware cost that is one of the most economical on the market today, the Wolverines relative small size and I/O packed design solve many complex applications. The lightweight unit is transportable by one person which allows it to be used in multiple locations. In the field, it stands up to abuse because it has been tested to 40 G pulse shock and 2G peak random vibration (with SSD option installed) and is Agency rated to UL 1604, UL50, Type 4, and Class 1, Division 2, Zone 2, ATEX3 (premium system). In addition, its wireless communication capabilities reduce cost by eliminating the need for expensive C1D2 cable routing.

The Wolverine is designed to operate reliably in extreme environments. It is tested to twice the normal shock and vibration levels, features a sunlight readable LCD, an embedded processor from Intel and flexibility for multiple configurations to meet a variety of different applications. Systems can be configured with an optional internal heater assembly to allow operation down to -40° C. With all these features, the Wolverine is perfect for mobile machines/equipment where high availability is a true necessity.

SLR LCD: Passive Enhancements

  • Anti-glare casting on touchscreen face
  • Anti-reflective coatings on touchscreen back and LCD front: Matches index of refraction to reduce light reflecting back at the viewer increases contrast ratio
  • IR Blocking film added to reduce thermal loading affects of the sun
  • Transflective backlight enhancement film (BEF)

Acrylic-on-Glass Touchscreen

  • Laminated construction with strengthened glass offers resistance to high impact forces
  • Up to 87% light transmission and as low as 6% low light reflection
  • Excels in harsh environments by allowing for a UL50, Type 4 seal (when properly integrated) and certification for hazardous locations
  • Functions with a variety of gloves through a range of contaminants
  • Withstands significant shock and vibration in extreme environments

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