Bridge Type?

Discussion in 'The Projects Forum' started by bawobogo, Aug 24, 2009.

  1. bawobogo

    Thread Starter New Member

    Aug 24, 2009
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    I was wondering if anyone has seen this bridge and if you have, the name of the bridge.

    Thank you,

    [​IMG]
     
  2. ELECTRONERD

    Senior Member

    May 26, 2009
    1,146
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    It looks like a Wheatstone bridge except that it is for a certain resonant frequency. In addition, the variable resistors make it adjustable. Intresting phenomonon!
     
  3. bawobogo

    Thread Starter New Member

    Aug 24, 2009
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    Does anyone know if its possible to create a patent on a variation of the wheatstone bridge such as this one?

    I'm asking because my company is having legal troubles because we were using this circuit, but I coulda swore, I've seen this circuit existing well before 2003 when the patent was issued.
     
  4. jj_alukkas

    Well-Known Member

    Jan 8, 2009
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  5. bawobogo

    Thread Starter New Member

    Aug 24, 2009
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    Have you guys heard of a fontana bridge?

    Seems that's the most similar one I can find to this...
     
  6. ELECTRONERD

    Senior Member

    May 26, 2009
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    I've never heard of that before.
     
  7. bawobogo

    Thread Starter New Member

    Aug 24, 2009
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  8. ELECTRONERD

    Senior Member

    May 26, 2009
    1,146
    16
    Interesting, it seems as though Zs and Zp could be thought of as parallel but then again Zs might affect the other resistors. As for the op amps, those might be just buffers to match impedance.
     
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