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Magnetic Induction Technology Headset Reviewed

Semi-Anonymous Coward writes "The first review of a wireless headset using Magnetic Induction technolgy has been posted at mobile technology website MobileBurn. The reviewer mentions that the technology provides almost 'crystal clear' phone conversations, which is better than most Bluetooth headsets he has used. The magnetic induction technology creates a 'bubble' around the user which increases the security of their communications. Is this the replacement for Bluetooth in Audio applications? It certainly looks like it..."

36 of 158 comments (clear)

  1. ~40 years old tech. by grub · · Score: 4, Funny


    The magnetic induction technology creates a 'bubble' around the user which increases the security of their communications

    Olde news, Maxwell Smart had this back in the 60's.

    --
    Trolling is a art,
  2. Ummmm...I don't think so! by Anonymous Coward · · Score: 2, Funny
    1. Re:Ummmm...I don't think so! by RickL · · Score: 5, Funny

      I'm glad its N-S to S-N. I hate it when it flips E-W to W-E.

    2. Re:Ummmm...I don't think so! by smackjer · · Score: 3, Funny

      You know, these end-of-the-world type web sites would be a little more believable if they didn't look like they were designed by a color-blind third grader.

      --

      This is my sig. There are many like it, but this one is mine.
    3. Re:Ummmm...I don't think so! by PurdueGraphicsMan · · Score: 3, Funny

      Exactly! Call me a spoil sport but I have trouble accepting the fact that these people are smart enough to know when the Earth is going to end and why, but not smart enough to read an assimilate some basic design concepts and color theory? Come on.

      --


      The guitars sound good, now give me about 10db more on the cow bell.
  3. Is it just me... by tbase · · Score: 2, Insightful

    ...or is anyone else a little apprehensive about pairing the phrases "magnetic induction" and "headset"?

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    666-607: 6th floor apartment of the beast
    1. Re:Is it just me... by JPelorat · · Score: 3, Funny

      Not really.. maybe if it was 'magnetic induction' and 'jockstrap'...

      --
      Hokey statistics and ancient misconceptions are no match for a good thought in your head, kid!
    2. Re:Is it just me... by GoofyBoy · · Score: 2, Funny

      >if it was 'magnetic induction' and 'jockstrap'... .. then it would the perfect opportunity to base email spam business on.

      --
      The surprise isn't how often we make bad choices; the surprise is how seldom they defeat us.
    3. Re:Is it just me... by Walter+Wart · · Score: 2, Insightful

      Not really. An MRI scanner uses fields of about 2 TESLA. That's tens of thousands of times as strong as the Earth's magnetic field. It doesn't make your blood boil through hysterisis or anything like that.

      --
      The man who never alters his opinion is like the stagnant water and breeds Reptiles of the Mind -- William Blake
    4. Re:Is it just me... by C10H14N2 · · Score: 3, Funny

      Yessss, we have for a long time been developing a device, a moving coil if you will, based on advanced principles of magnetic induction by which we transform soundwaves into electrical current. We call this device a "m i c r o p h o n e." Our scientists have managed to reverse this process in similar device we call a "l o u d s p e a k e r." These devices can be combined into a single destructive device we refer to as a "h e a d s e t."

      We will require you to provide us with one MEEEELION dollars lest we will be forced to unleash these powerful devices on your populations.

      If you resist, we will be forced to also unveil our deathray "e l e c t r o n g u n" that when paired with our "h e a d s e t" will be sure to cause mass chaos, death and destruction.

      Really, people, whose going to be afraid of a fricking walkman and a television? Really. Didn't anyone make it out of junior high science class? Anyone?

  4. Re:Looks like by cynicalmoose · · Score: 3, Insightful

    Unlikely
    Magnetic induction has been used for years for two things - brain scans (which don't (I hope) cause cancer), and hearing aid loops.

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  5. Creates a magnetic bubble by Space+cowboy · · Score: 3, Insightful

    ... which I can see being great for the phone. Does it interfere with the WiFi network as well ? If A interferes with B, shouldn't you expect (B) to interfere with A...

    "Excuse me Mr. Jones, could you move to the other side of the room please, you're corrupting the network"...

    Simon.

    --
    Physicists get Hadrons!
  6. Yes, but can you use it... by MarkGriz · · Score: 5, Funny

    while wearing your tinfoil hat?

    --
    Beauty is in the eye of the beerholder.
    1. Re:Yes, but can you use it... by Orne · · Score: 4, Interesting

      Heh, you should see what happens when you put aluminum cans in a high power magnetic induction device... Whew, found some images at TeslaMania for before and after...

      When I was in school, the prof brought one of these into lab one day, and he was using it to railgun things across the room... They kept it locked up because some years before a student thought it would be funny to wrap a banana in foil and stick it into the machine, and it worked... picture a in your head a fine mist of burnt banana covering a good portion of a large freshman electronics lab, and that's close to the result. This site explains why with pictures.

  7. Great by jetkust · · Score: 4, Funny

    Now when i stand up from my computer I wont step on the chord, yank my neck, and break my headphones everytime.

    1. Re:Great by PinternetGroper · · Score: 3, Funny

      I hate it when the chord's fall out of my headphones when I step on it :)

    2. Re:Great by sharkey · · Score: 2, Funny
      I wont step on the chord

      C sharp? G flat? We need more information.

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      "Outlook not so good." That magic 8-ball knows everything! I'll ask about Exchange Server next.
  8. Re:Long term effects? by eln · · Score: 2, Funny

    Well, look at it this way. If prolonged heavy usage is dangerous, the only people that are going to be realistically affected are telemarketers and tech support drones. This may well be a blessing in disguise.

  9. I need a better font by ptomblin · · Score: 3, Funny

    I thought the company name was "MobileBum". Damn sans-serif fonts.

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  10. Strange use of terms. by fireboy1919 · · Score: 4, Insightful

    No phone uses magnets and induction?

    I can think of a device in a phone that does.

    The idea is that a coil of wire (known as an "inductor") creates a magnetic field due to an electric current that varies in strength (this is known as an "electromagnet"), which then attracts and repels it, along with a cone designed to move sound, from a permanent magnet. In other words, the movement of the electromagnet moves the cone, which moves the air to create sound. Clever isn't it? Modern, perhaps? The whole mechanism is currently known as a "speaker."

    I'm sure that this is neat and modern, but the naming scheme leaves something to be desired. What does "magnetic induction" mean in this case?

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    1. Re:Strange use of terms. by aero6dof · · Score: 4, Informative

      Try this whitepaper. If they can get into the same cost range, it sounds like a nice technology for personal electronic communications.

  11. Bout time by carn1fex · · Score: 3, Interesting

    I always wondered why this effect wasnt exploited more often for short range comm. So easy in the lab to take your poorly designed digital circuit and just put an oscilliscope near and and walla, theres the data on your circuit, no modulation or other assorted rubish.

    --

    ---------

    No matter how thin you slice it, its still baloney.

  12. Not so private? by cruff · · Score: 5, Interesting

    The manufacturer's web site seems to be claiming that this gives some privacy due to the use of near field magnetic induction. However, magnetic field antennas (i.e. AM broadcast band ferrite loop stick antennas) are used commonly to receive signals. It seems that all one need do is make a loop antenna sensitive to the 13.5 MHz frequency used and you could listen in with a shortwave receiver. Unless, of course, they encrypted the signal.

    1. Re:Not so private? by William+Tanksley · · Score: 2, Informative

      They did encrypt the signal, and also spread-spectrum'ed it.

      But you wouldn't get anything useful with your shortwave receiver; the broadcating antenna's geometry is all wrong for radio waves. I'm not sure, but IIRC your receiving antenna would have to be pretty scary, too. IANAH (I am not a ham).

      -Billy

  13. Re:Looks like by frodo+from+middle+ea · · Score: 3, Informative
    And since when do the americans need an excuse to sue someone ?


    Lets face it, even if someone to come up with a cure of cancer, there will be some one to sue him for whatever reason.

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    for the last time people, I am "frodo from middle eaRTH", not "middle eaST".
  14. The big question by elvum · · Score: 4, Interesting

    The big question is security. Magnetic induction technology is in widespread use already - post-office counters, public address systems and ticket booths are often fitted with inductive loops for the benefit of hearing-aid users, who can pick up the sound from them directly by switching their aids to a special setting.

    The article doesn't say, but one hopes that the manufacturers have built some reasonably sophisticated security into their system - if not, then eavesdropping devices for them are already in widespread use. :-)

  15. Stats by hurtstotouchfire · · Score: 2, Informative
    The stats sheet is a pdf.

    Apparently the range from the base is only 4-6 feet. So we're not talking portable phone quality or anything (although my POS phone only really does about 10 feet from the base without cutting out anyway).

  16. Re:Looks like by *weasel · · Score: 2, Insightful

    deaf people have been known to wear their hearing aides every waking moment.

    i would think if magnetic induction were inherently hazardous to your health, deaf people would have been dropping like flies from brain cancer by now.

    --
    // "Can't clowns and pirates just -try- to get along?"
  17. Tinfoil Hat? by superid · · Score: 2, Interesting

    I'm not sure I really want a magnetic field around my head. I recall an episode of "Scientific American Frontiers" (no energy to find link, Alan Alda, PBS, etc) with a physiologist investigating the brains ability to adapt and allocate bored portions of the brain for other tasks. They blinfolded a volunteer and showed how her optical cortex began processing tactile rather than visual inputs.

    THEN, they used a magnetic field (applied via wand to the back of her head) to essentially erase/shut off/disable this new function. They were quite casual about it, and it was pretty obvious that the erasure was well established.

    So, count me out!

    [Kent Brockman] "...ahem....Little girl ...Likes! brain!"

  18. How about fixing the ones we have? by teneighty · · Score: 3, Interesting

    Most phones are already fitted with an induction coil in the handset - these are there to work with hearing aids (I wear one myself). In older phones, and certain new-ish payphones these induction coils work extremely well - good clear sound, and they couple with the hearing aid well. But the vast majority of modern phones - including those labelled "hearing aid compatible" have induction coils that barely work at all. It's impossible to find a phone that works with a PABX system that has an adequate induction coil that works with a hearing aid. I looked far and wide and tried a few devices, but in the end I had to give up - there is literally no such thing as a phone or device that works with a PABX system that approaches the effectiveness of my home phone, in terms of being able to hear it. There is a third-party handset sold for this purpose (IIRC, the brand is "Walker"), but its induction coil is very weak too -- all they did was to to put a very cheap and nasty amplifier in the handset - and we all know exactly how much THAT benefits the sound quality. It would make my life a lot easier to be able to find a phone for the office that I can use. I wonder if this new gizmo could be adapted somehow...

    1. Re:How about fixing the ones we have? by panurge · · Score: 2, Insightful

      The Nokia inductive loop fitment (fits 6310s etc, do not believe what it says on the box - Nokia don't know their own product range) works superbly, though if like me you have an in-ear aid you have to put up with strangers thinking you are completely mad - holding a conversation with yourself with no visible equipment at all. There is a Motorola version which for some reason is far more expensive. Sound quality is vastly better than Bluetooth headsets etc. simply because the transducers in phones and headsets are mostly crap. I find it interesting that mobile phones look increasingly exotic while two of the bits that really matter - the input and output transducers - are so inferior compared to those used by Siemens, Widex, Starkey etc.

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  19. Re:More ads by hudsonhawk · · Score: 4, Funny

    ...did you even click the link, or did you just look sternly at it and decide to make an angry post?

    Mobile Burn is a site that reviews cell phones and accessories.

    Auracomm is the company that makes the product in question.

    An idiot is a person of profound mental retardation having a mental age below three years unable to learn connected speech, such as the nice , pretty complete sentences used in the news item above.

    Go away now.

  20. I need more crap by NineNine · · Score: 2, Interesting

    Yes. I need more crap. I need a selection of 50,000 different headsets because damnit, a telephone is just *too* heavy to pick up with my hand. I need to buy some overpriced plastic crap because I'm just that lazy. Really. Sell me some more shit, /. I'm also looking for a device that'll hold my dick while I pee, because I really can't be bothered with that much effort.

  21. does it erase creditcard data while youre at it? by tkjtkj · · Score: 3, Insightful

    magnetic induction is not the best thing to have around such things as creditcards, computer chips, and compasses .. So ... how safe is it for the above devices?? tkjtkj

    --
    "There are 11 kinds of people: those who know binary, those who don't, and those who could not care less!"
  22. H vs E Fields by MountainLogic · · Score: 3, Interesting

    This is a lot more interesting than you might think. H (near) field communication is really unexplored in the commercial world. It is rather limited in range (meter or two) and for the most part it is rather ignored in EMC testing (Electro-Magnetic Compatability [read FCC testing]). If you want to see a cool example of H field interference dig up two 10 year old 20" monitors and put them side by side and watch the wicked interferance. Even if you wrap the monitors in a grounded wire mesh you will still see interferance because the problem is a magnetic H field not an E field (RF) signal. To kill the interferance you need to use a Mu Metal shield (or one heck of a lot of iron). Of course, one application's interferance is another signal. If you are really carefull about building your H field and not generate much E field it would be rather secure from evesdropping outside of 4 or 5 meters.

  23. it's twice as tragic by SteelRat · · Score: 2, Funny

    when the world ends before the conclusion of xmas shopping season.

    It would suck to be tossed into the void without having made or spent a grip of cash in the throws of exuberant merchandising.