Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle
Patent
1990-07-27
1992-05-12
Buczinski, Stephen C.
Optics: measuring and testing
Angle measuring or angular axial alignment
With photodetection remote from measured angle
33283, 33304, 33306, 33309, 356148, 356149, 356250, G01B 1126, G01C 100, E21B 47022
Patent
active
051121263
ABSTRACT:
A non-magnetic apparatus is disclosed for finding the deflection of the vertical. That apparatus has a device for finding an instrument spatial angle between a reference direction and an instrument characterization direction, and a device for finding a deflection spatial angle between the instrument characterization direction and a direction along a plumb line. Preferably, the device for finding the instrument spatial angle uses a system of gyroscopes. Preferably, the device for finding the deflection spatial angle uses a pendulum.
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Buczinski Stephen C.
Chevron Research & Technology Company
Keeling E. J.
Schaal E. A.
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