Something loose?

Discussion in 'Motorola Droid MAXX' started by JP 5.56, Oct 16, 2013.

  1. JP 5.56

    JP 5.56 Member

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    I noticed today that sometimes my MAXX sounds like something is moving inside when it's set down on the table or if it's shaked slightly. Is this normal?
     
  2. rockyshor

    rockyshor New Member

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    Mine doesn't do that, feels solid. I'm not sure what to tell you other than to power down and check the SIM slot.
     
  3. JP 5.56

    JP 5.56 Member

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    My RAZR did it to, just weird. Works fine. The noise seems to come from near the rear camera.
     
  4. JP 5.56

    JP 5.56 Member

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    Stopped in at VZW.. Seems to be normal. lol
     
  5. jackiescivic

    jackiescivic Silver Member

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    I was going to say it was just your imagination ;-)

    Sent from my Droid Maxx
     
  6. doogald

    doogald Active Member

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    My phone doesn't do that.
     
  7. JP 5.56

    JP 5.56 Member

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    It's very subtle.. But all the display phones did it and the sales persons too
     
  8. FoxKat

    FoxKat DF Super Moderator Staff Member Premium Member

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    The phone's camera has image stabilization which can be either software, hardware (as in mounted on super-fine springs), or a combination of the two. My guess is it's the camera's stabilization lens shaking around in the "yoke" suspended between springs at all 4 horizontal axis. The stabilization lens can also be suspended essentially in mid air between a set of pairs of electromagnetic coils (or a combination of the two), so that again it can jiggle relatively freely within a range allowing the shaking of the phone to be directly offset by the opposite shaking of the stabilization lens. This method is also used by CD players (in combination with RAM buffers), to stabilize the laser and detector assembly in order to be able to continue playing a CD while being shaken such as while jogging.

    See below;

    Image_Stabilizer.jpg TamronVC.jpg stabilization.jpg

    To confirm, if the rattle stops after a couple seconds from when shaken or placed on the table, and then again if shaken - it's the camera - that's my bet.
     
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  9. mountainbikermark

    mountainbikermark DF Super Moderator Staff Member Premium Member

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    If you Google around you'll see quite a few camera phone cameras make noise for no apparent reason and are especially prone to random noises after being used. It's the shutter in many cases.

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  10. FoxKat

    FoxKat DF Super Moderator Staff Member Premium Member

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    Mark, not to disagree, but I believe there is no physical "shutter" in these miniature camera modules. I haven't seen a shutter incorporated into the exploded diagrams of any of these miniature phone image sensors. Instead, I believe they capture images and essentially simulate the effect of a shutter electronically by a momentary read of the CCD or sensor. This is why they can take video at photos at the same time. Also, since the camera is the viewfinder and is video as well, it's essentially an open lens at all times. Also, the shutter sound is simulated and can be turned off for silent photo-taking.

    By the way, another thing that could be "rattling" is the vibration motor. Since it has offset weights on either one or both ends of its motor shaft, any abrupt jostling of the phone such as placing down on a hard surface quickly can essentially cause the weights to spin for a short moment in the phone causing a very brief rattle.
     
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  11. mountainbikermark

    mountainbikermark DF Super Moderator Staff Member Premium Member

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    My apologies. I meant lens not shutter.

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  12. JP 5.56

    JP 5.56 Member

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    Makes sense if there are bits of the assembly mounted in some springs. Thanks!
     
  13. FoxKat

    FoxKat DF Super Moderator Staff Member Premium Member

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    Apology? Are you kidding? Since when do you have to apologize? LOL! Any reasonable explanation is worthy of consideration. A loose lens is quite a possibility.

    Sent from my SCH-I545 using Tapatalk 2
     
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