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Acoustic Pulse Recognition Specification
MECHANICAL
Input method | Finger, finger nail, gloved hand, or stylus activation |
ELECTRICAL |
|
Position accuracy | 1% max. error |
Resolution accuracy | Touchpoint density is based on controller resolution of |
| 4096 x 4096 |
Touch activation force | Typically 2 to 3 ounces (55 to 85 grams) |
Controller | Board: USB 1.1 |
OPTICAL |
|
Light transmission | |
ENVIRONMENTAL |
|
Chemical resistance | The touch activation area of the touchscreen is resistant to |
| chemicals that do not affect glass such as: acetone, toluene, |
| methyl ethyl ketone, isopropyl alcohol, methyl alcohol, |
| ethyl acetate, |
| kerosene, vinegar |
DURABILITY |
|
Surface durability | Surface durability is that of glass, Mohs’ hardness rating |
| of 7 |
Expected life | No known |
| coatings, or moving parts. APR technology has been op |
| erationally tested to more than 50 million touches in one |
| location without failure, using a stylus similar finger. |