Probe for assessment of metal distortion
First Claim
1. Apparatus for assessing field distortion, comprising:
- a moveable probe, comprising;
a mechanical fixture for placement at a location to be tested;
one or more field generators, which are attached to the mechanical fixture and are arranged to generate respective magnetic fields; and
one or more field sensors, which are attached to the mechanical fixture at known positions with respect to the one or more field sensors and are arranged to sense the magnetic fields generated by the one or more field generators and to output signals responsively to the sensed magnetic fields, the output signals including position signals and magnetic field strength signals; and
a processor of a computer, which is arranged to process the output signals so as to assess a distortion of the magnetic fields sensed by the field sensors at the tested location including estimating a level of the distortion.
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Abstract
Apparatus for assessing field distortion includes a probe and a processor. The probe includes a mechanical fixture for placement at a location to be tested, and one or more field generators, which are attached to the mechanical fixture and are arranged to generate respective magnetic fields. The probe further includes one or more field sensors, which are attached to the mechanical fixture at known positions with respect to the one or more field sensors and are arranged to sense the magnetic fields generated by the one or more field generators and to output signals responsively to the sensed magnetic fields. The processor is arranged to process the signals so as to assess a distortion of the magnetic fields sensed by the field sensors at the tested location.
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Citations
24 Claims
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1. Apparatus for assessing field distortion, comprising:
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a moveable probe, comprising; a mechanical fixture for placement at a location to be tested; one or more field generators, which are attached to the mechanical fixture and are arranged to generate respective magnetic fields; and one or more field sensors, which are attached to the mechanical fixture at known positions with respect to the one or more field sensors and are arranged to sense the magnetic fields generated by the one or more field generators and to output signals responsively to the sensed magnetic fields, the output signals including position signals and magnetic field strength signals; and a processor of a computer, which is arranged to process the output signals so as to assess a distortion of the magnetic fields sensed by the field sensors at the tested location including estimating a level of the distortion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for assessing field distortion, comprising:
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positioning a moveable probe, which includes one or more field generators and one or more field sensors arranged in a fixed relative spatial relation, at a location to be tested; while the probe is positioned at the location, actuating the one or more field generators to generate respective magnetic fields, and sensing the magnetic fields using the one or more field sensors so as to produce respective output signals responsively to the sensed magnetic fields, the output signals including position signals and magnetic field strength signals; and processing the output signals using a computer so as to assess a distortion of the magnetic fields sensed by the field sensors at the tested location including estimating a level of the distortion. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification