Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2006-03-22
2008-10-14
Smith, R. A. (Department: 2841)
Geometrical instruments
Straight-line light ray type
Alignment device
C033S289000, C033SDIG021
Reexamination Certificate
active
07434322
ABSTRACT:
A reference beam generator (1) for guiding a field marker for ground markings has a support element (11) which can be positioned in a defined manner relative to the Earth's surface, a laser diode and beam guidance means for the emission of the radiation (LS) to at least one reference target (4), the radiation (LS) being emitted with an asymmetrical beam cross-section (5), in particular in the form of a fan, and the beam guidance means being adjustable in a defined manner relative to the support element (11). The radiation (LS) can be aligned with the reference target (4) by an optical detection component for detecting and providing the radiation reflected by the reference target, in particular a telescope (12).
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Betschon Christian
Braunecker Bernhard
Kipfer Peter
Walser Bernd
Leica Geosystems AG
Smith R. A.
Workman Nydegger
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