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Completely isolating a mobile phone

Discussion in 'Electronic Repair' started by Man-wai Chang, Aug 16, 2011.

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  1. I threw it into a tin can then invert it. It still rang when I dialed
    its number.

    Must I use aluminium foil? Why does Al make a difference?

    --
    @[email protected] You have the right to remain silent.
    / v \ Simplicity is Beauty!
    /( _ )\ May the Force and farces be with you!
    ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3
    ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
    http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
     
  2. JW

    JW Guest

    Try putting it into a microwave oven. Just don't turn on the oven. :)
     
  3. Must I use aluminium foil? Why does Al make a difference?
    That destroyed the phone, not stopping signals to reach it! :)

    --
    @[email protected] You have the right to remain silent.
    / v \ Simplicity is Beauty!
    /( _ )\ May the Force and farces be with you!
    ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3
    ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
    http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
     
  4. JW

    JW Guest

    Please read what I wrote again for context.
     
  5. Sylvia Else

    Sylvia Else Guest

    He'll need to overcome the safety cut-out that the government requires
    to be installed to prevent people escaping mind-control rays that way.

    Sylvia.
     
  6. about -102dBm. In order to stop the phone from ringing, you need only
    Thanks. Very detailed...


    --
    @[email protected] You have the right to remain silent.
    / v \ Simplicity is Beauty!
    /( _ )\ May the Force and farces be with you!
    ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3
    ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
    http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
     
  7. Try putting it into a microwave oven. Just don't turn on the oven. :)
    Sorry for missing the last part and for my first impression about an
    oven (always used to cook things).

    OH well, I don't use microwave oven. It's too dangerous. :)

    --
    @[email protected] You have the right to remain silent.
    / v \ Simplicity is Beauty!
    /( _ )\ May the Force and farces be with you!
    ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3
    ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
    http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
     
  8. In a tin can (tea can 2x2x3") fully closed: no reception
    I see...

    --
    @[email protected] You have the right to remain silent.
    / v \ Simplicity is Beauty!
    /( _ )\ May the Force and farces be with you!
    ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3
    ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
    http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
     
  9. Wrap in two layers of 1 inch wide copper tape with conductive adhesive
    Do I need to ground the packing?

    Looking up "copper tape" in Amazon, expensive stuff! :)

    --
    @[email protected] You have the right to remain silent.
    / v \ Simplicity is Beauty!
    /( _ )\ May the Force and farces be with you!
    ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3
    ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
    http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
     
  10. Because aluminum is known to block the government mind control rays
    Could I use the bags for potato chips? How many?

    --
    @[email protected] You have the right to remain silent.
    / v \ Simplicity is Beauty!
    /( _ )\ May the Force and farces be with you!
    ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3
    ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
    http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
     
  11. Because aluminum is known to block the government mind control rays
    I wonder whether an Al hat could stop psychic attacks? Psychic attacks
    and/or magic are EM-waves as well?

    --
    @[email protected] You have the right to remain silent.
    / v \ Simplicity is Beauty!
    /( _ )\ May the Force and farces be with you!
    ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3
    ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
    http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
     
  12. Sylvia Else

    Sylvia Else Guest

    Sheesh - talk about irresponsible broadcasting.

    Sylvia.
     
  13. Sylvia Else

    Sylvia Else Guest

    How did you check that you can hear the phone ring inside the completely
    closed can?

    Sylvia.
     
  14. Sylvia Else

    Sylvia Else Guest

    Hmm... OK, I'll give you that one. I don't use mobile phones much -
    perhaps it shows.

    Sylvia.
     
  15. I wanna shield it from RF, not destroying it.


    --
    @[email protected] You have the right to remain silent.
    / v \ Simplicity is Beauty!
    /( _ )\ May the Force and farces be with you!
    ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3
    ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
    http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
     
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