Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle
Patent
1998-06-08
2000-05-23
Buczinski, Stephen C.
Optics: measuring and testing
Angle measuring or angular axial alignment
With photodetection remote from measured angle
348141, 3561391, 3561415, G01B 1126
Patent
active
060671521
ABSTRACT:
A system for checking alignment of laser beam projecting instruments, and for enabling accurate calibration of an instrument, includes a high resolution video camera positioned to receive a laser beam from the instrument. The spot from the detected laser beam is compared on a video monitor to a spot or target position showing the location corresponding to accurate alignment of the beam. Multiple orthogonal beams from an instrument may be directed to the same video sensor using mirrors. By use of the described system the need for long beam paths to check beam alignment accuracy is avoided.
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Buczinski Stephen C.
Freiburger Thomas M.
Levelite Technology, Inc.
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