Seismic sensor with four uniaxial motion sensing elements having substantially the same angle to the vertical and horizontal directions
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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Abstract
A seismic sensing unit includes four uniaxial sensors each capable of detecting a movement component along a respective axis having a respective orientation and arranged such that the angles between any two of said respective orientations of said respective axes are substantially equal, wherein the uniaxial sensors are arranged such that in use the respective axes are at substantially the same angle to the vertical direction and the horizontal direction, and wherein the uniaxial sensors are geophones, accelerometers, seismometers or their combinations.
19 Citations
11 Claims
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1. A seismic sensor unit comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 10, 11)
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7. A vibration sensor unit for determining vibration components in three orthogonal directions comprising:
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four uniaxial sensors each disposed on different axes and capable of detecting a vibration component along a respective axis having a respective orientation and arranged in a configuration 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 vibration sensor unit such that in use the respective axes are at substantially a same angle to a vertical direction and at 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. - View Dependent Claims (8, 9)
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Specification