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what is the toucscreen sensing?

Discussion in 'Android Devices' started by garybeck, May 24, 2011.

  1. garybeck

    garybeck Android Enthusiast
    Thread Starter

    I just installed the screen protector that came with my otterbox case. I'm amazed that I don't see a difference in responsiveness of the touchscreen. I'm wondering, what is it sensing? heat? conductivity? Pretty cool that it works with a protector on there.
     



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  2. LNMoton

    LNMoton Well-Known Member

    It senses heat.
     
  3. garybeck

    garybeck Android Enthusiast
    Thread Starter

    cool, it must be pretty sensitive to work through the protector. wonder if the responsiveness changes with the ambient temperature. like if the device is hot because it's charging, or if it's 95 degrees outside, my finger could be the same temperature as the screen was before I touched it.
     
  4. JerryScript

    JerryScript Android Expert

    It doesn't sense heat, your finger changes the static charge of the material.
     
  5. pastafarian

    pastafarian Pâtes avec votre foie

  6. garybeck

    garybeck Android Enthusiast
    Thread Starter

  7. JerryScript

    JerryScript Android Expert

    Yes, the Optimus V is capacitive.
     
  8. Chris951

    Chris951 Member

    Try breathing on your screen and see what happens
     
  9. pastafarian

    pastafarian Pâtes avec votre foie

    Pretty much all modern smartphones and tablets are capacitive. The previous generation of windows mobile (pre 7) and Palm devices used resistive screens. With a few exceptions, if it comes with a stylus, it's probably resistive. If you see a no name Android tablet for sale with stupid cheap pricing, it's almost certainly resistive and best avoided at any price. I was a long time windows mobile user and still miss having that stylus for quick hand written notes. I don't miss anything else about WM.
     
  10. LNMoton

    LNMoton Well-Known Member

    Close enough. That's what a mean to put but somehow couldn't figure out how to say it.:p
     

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