Electronic distance meter featuring spectral and spatial selectivity
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United States of America Patent
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Oct 14, 2008
Grant Date -
Aug 16, 2007
app pub date -
Apr 1, 2005
filing date -
Apr 2, 2004
priority date (Note) -
Expired
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Abstract
Disclosed is a distance meter, particularly for telescope arrays in ground-based or space-based applications for detecting surfaces. Said distance meter comprises at least one radiation source for emitting electromagnetic radiation on to a target that is to be measured, a receiver unit with a sensor for receiving the radiation reflected by the target and deriving distance data, and a first spectral filter component. According to the invention, the angular spread of reception of the reflected radiation is limited by means of at least one spatial filter component, especially a fiber laser as a radiation source and receiver component.
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