Laser distance-measuring instrument for large measuring ranges
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United States of America Patent
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Aug 28, 2001
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N/A
app pub date -
Oct 25, 1999
filing date -
Dec 28, 1998
priority date (Note) -
Expired
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Abstract
Laser distance-measuring instrument for large measuring ranges having a transmitting channel and a receiving channel arranged parallel to one another, the receiving lens being a modified single lens comprising a primary lens region with a primary optical reception axis which is aligned parallel to the optical transmission axis, as well as a secondary lens region with a secondary optical reception axis which is inclined to the primary optical reception axis at an angle .alpha., with the result that a primary focal point and a secondary focal point are produced.
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