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Seismic sensor with four uniaxial motion sensing elements having substantially the same angle to the vertical and horizontal directions

  • US 9,057,643 B2
  • Filed: 03/11/2013
  • Issued: 06/16/2015
  • Est. Priority Date: 10/20/2004
  • Status: Expired due to Fees
First Claim
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1. A seismic sensor unit comprising:

  • four uniaxial sensors, each disposed on different axes and capable of detecting a movement component along a respective axis having a respective orientation and arranged such that an angle between any two of said respective orientations of said respective axes is substantially equal to any other angle between two respective orientations of said respective axes;

    wherein the uniaxial sensors are mounted in the unit such that in use the respective axes are at substantially a same angle to a vertical direction and substantially a same angle to a horizontal direction orthogonal to the vertical direction; and

    wherein the uniaxial sensors are selected from a group consisting of geophones, accelerometers, seismometers, or combinations thereof.

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