Method and device for non-contact oscillation measurements
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United States of America Patent
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Feb 7, 2012
Grant Date -
Nov 27, 2008
app pub date -
May 19, 2008
filing date -
May 21, 2007
priority date (Note) -
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Abstract
A method and a device for non-contact vibration measurement of an object. Method steps include: Moving at least one laser interferometer, which emits at least one measuring beam to at least one measuring point on the object, detecting the measuring beam reflected by the object, determining the vibration data from the emitted and reflected measuring beam, allocating the vibration data to the measuring point, as well as evaluating the vibration data and displaying the vibration data of the measuring point, with at least one comparison of a position of the laser interferometer being performed using at least one position of a known freely predetermined point on the object and a transformation rule being prepared to determine the position of the laser interferometer in reference to the object for arbitrary measuring positions based on the comparison. The device for measuring vibrations is also disclosed.
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