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Distance Measurement Device

Discussion in 'Misc Electronics' started by Drew, Apr 20, 2006.

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  1. Drew

    Drew Guest

    Hi I am wondering if there is a two piece electronic device that
    measures the distance between the two "receiver/transmitters". For
    example, I know that there are devices that use sound waves to time the
    beam's travel from the device to an object and back, and uses the speed
    of sound constant to find the distance. I was wondering if this kind of
    device is available using two receiver/transmitters. So if there are
    two of these devices, one or both will be able to tell how far apart
    they are from each other without using a line of sight. Thanks

  2. Drew

    Drew Guest

    First off, thanks for the reply. But what about sending sound or radio
    signals? I was thinking that if both units are transmitters and
    receivers, they can relay unique radio signals, one to the other and
    then back again, and the first can time this and divide by the speed of
    the radio signal and then find the distance. I know that this can be
    done with stationary objects (using sound waves to bounce off walls). I
    could be wrong I guess, but it just seems to me that with all this
    technology today something this "simple" in comparison to other devices
    must exist. Can anyone think of a device that even uses this principle,
    even if the distance factor isn't its main purpose? Thanks again.
  3. John G

    John G Guest

    Aircraft control radars but they aint cheap.
  4. Drew

    Drew Guest

    Ok guys thanks for the help.

  5. Drew

    Drew Guest

    Thank you that's very helpful. I'll look into these more. Thanks again.

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