Displacement and velocity sensor
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United States of America Patent
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Issued Date -
May 10, 2007
app pub date -
Nov 9, 2005
filing date -
Nov 9, 2005
priority date (Note) -
Abandoned
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Abstract
A sensor system that is attachable to a moving object to calculate a displacement of the object relative to a fixed surface includes three laser light sources. The sources are fixedly aligned to direct beams along three respective beam paths toward the surface. Reflections from the surface are then received by the sensor system and used to calculate a relative velocity between the sensor and surface. The velocity is then integrated to compute a displacement. These displacements are transmitted via wireless link to a receiving station which uses the displacements to track and locate the object.
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