Can an iphone generate any kind of magnetic field?

Discussion in 'iOS Programming' started by mileslong, Jul 29, 2009.

  1. mileslong macrumors 6502

    mileslong

    Joined:
    Apr 29, 2005
    Location:
    Newport Beach, CA
    #1
    I was wondering if there was any script or anyway to use the iphone to generate either a magnetic field or some kind of pulse induction.

    im sure you can't without having some sort of actual coil but i just thought i would ask...i figured there might be a way to create an electronic pulse possible but i don't think there is anyway of getting around the need for magnetic material.

    i have heard of ways to create a small pulse using an iphone and an lcd display on a laptop for instance but i think all that does is destroy hard drives, something that would be ridiculous to even attempt. i know that hard drives have some sort of magnet but i don't think the iphone does...
     
  2. robbieduncan Moderator emeritus

    robbieduncan

    Joined:
    Jul 24, 2002
    Location:
    London
    #2
    Erm, no. There is no hardware in it that can generate such a field.
     
  3. miles01110 macrumors Core

    miles01110

    Joined:
    Jul 24, 2006
    Location:
    The Ivory Tower (I'm not coming down)
    #3
    Er... assuming the iPhone still runs on electricity (voltage and current) then yes, it can generate "a" magnetic field. Whether or not it's strong enough to do anything useful is a separate matter.
     
  4. robbieduncan Moderator emeritus

    robbieduncan

    Joined:
    Jul 24, 2002
    Location:
    London
    #4
    OK, sure, as part of it's normal operation it may generate an amazingly weak field. But it's not something you can turn on and off. And there is no specialist hardware in the device specifically there to do this that could be software controlled.
     
  5. firewood macrumors 604

    Joined:
    Jul 29, 2003
    Location:
    Silicon Valley
    #5
    Radio waves are electromagnetic fields. An iPhone has at least 3 intended radio transmitters, celllar, wifi and bluetooth. Other circuits transmit unintended high frequency radio noise, but these have to be really tiny for the device to get FCC certification. The power circuit, audio amp and 2 speakers may create some lower audio frequency electromagnetic fields as well.
     

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