How does the watch know when your moving your wrist to check your just moving...

Discussion in 'Apple Watch' started by shenfrey, Apr 16, 2015.

  1. shenfrey, Apr 16, 2015
    Last edited: Apr 16, 2015

    shenfrey macrumors 68000

    Joined:
    May 23, 2010
    #1
    EDIT TITLE: Moving your wrist to check the time, BETWEEN just moving it***. Apologies for the messy title, it's almost midnight as I type this and I am feeling quite tired.

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    This boggles me, I see videos of people wearing the watch and the display is always off when their arm is down or they are moving their arm about, but how does the watch know when your moving it to check the time??
     
  2. Goldfrapp macrumors 68040

    Goldfrapp

    Joined:
    Jul 31, 2005
    #2
    The magic part is that it actually doesn't know.
     
  3. Julien macrumors G3

    Julien

    Joined:
    Jun 30, 2007
    Location:
    Atlanta
    #3
    Accelerometers
     
  4. mailboxbetacoin macrumors 6502

    Joined:
    Aug 19, 2014
    #4
    it's only based on an accelerometer, i.e. if you move your arm in a way that is consistent with raising+twisting, then it will turn ON.
    If you rest your arms on your desk and just peek at your wrist, it WON'T turn on. And if you're masturbating, it might turn ON at every upstroke, depending on your technique
     

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