Projected Capacitance can be used in a wide range of applications..
     Most people are familiar with its use in mobile phone, or an iPad, as a small touchscreen.
     It is, however, used in much larger touchscreens - up to 160 inches in size, and rising.

Projected Capacitance touchscreens may be used in small hand-held, or desk-top applications, or through shop windows, as interactive table surfaces, industrial control panels,
      interactive street advertising/displays, ATMs, Fuel Dispensers,  and many more.

The technology can  be used as a keypad, digitizing tablet, touchscreen, or any combination of one or more of these.
     The back, sides, corners and edges of a product like the iPad can be made touch interactive, as well as having the touchscreen on the display area.
     These sensing areas can be dynamically configured to take into account how the product is being held, and distinguish this from a touch input.

A similar technique can be used for larger objects, such as gaming machines and Juke Boxes, where there may be several touchscreens , and the rest of the machine, such as the front , 
     edges and sides, may also be touch interactive. By using the multiple touch feature, many parts of the machine may be touched at the same time.

Because of the wide range of materials that can be used to manufacture Projected Capacitance Technology ( as shown below) ,
     there is a very wide, and diverse range of products that can be made to exploit its potential.

A few of the many possible examples:

          Wire could be incorporated in the Injection Moulded Case of a Laptop Computer, to make the case, as well as the touchscreen Touch-Interactive. 
          Iron rods, embedded in Concrete, could be used to make Touch-Interactive walls, or paving stones.
          Wire, or Carbon Fibres, could be incorporated into Fabrics to make Touch-Interactive e-clothes.
          Wire could be incorporated into paper to make touch interactive e-paper or e-readers

The sensing elements are composed of two parts, a conductive sensing material, and a slightly conductive, or non-conductive supporting matrix.

Sensing materials
Almost any reasonably conductive material can be used.
Typical materials are:
     ITO (Indium Tin Oxide) or ATO (Antimony Tin Oxide),  Fine or Coarse Wire, Copper PCB Tracks, Wire Mesh,  Metal Rods or Pipes,  Reasonably Conductive Plastics,
     Carbon Fibres, Metal Joists, Conductive Ink, Conductive Traces in Integrated Circuits .

Supporting matrix
Typical supporting materials are:
     Slightly Conductive or Non-Conductive Plastic, Glass, Paper, Concrete, Ceramics, Soil, Tarmac, Gels, Wood, Fabrics

Go to HOME page