optoelectronic measuring method and distance measuring device for carrying out the method
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United States of America Patent
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app pub date -
Mar 9, 2004
filing date -
Aug 28, 1996
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Abandoned
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Abstract
An optoelectronic measuring method and a distance measuring device for carrying out the method for determining the dimensions with respect to length, width or height of objects mounted in or outside of processing or measuring machines. At least one ray bundle transmitted by a measuring head of a measuring device is projected on a surface of an object to be measured as a dot-shaped measuring spot at various locations on a circumferential line of a geometric figure, and the reflected ray bundle projects through a projection unit the respective measuring spot onto an optoelectronic transducer unit of the measuring head and the signals produced by the transducer unit are evaluated in an evaluating unit. The reflected ray bundle is deflected by the projection unit of the measuring head in such a way that the measuring spot projected on the optoelectronic transducer unit is independent of the position of rotation of the measuring spot projected onto the surface relative to the optical center axis of the measuring head.
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