Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle
Patent
1987-11-24
1990-02-27
Buczinski, Stephen C.
Optics: measuring and testing
Angle measuring or angular axial alignment
With photodetection remote from measured angle
356138, 356400, 33281, 33286, 403114, 403115, G01B 1126, G01C 1510, F16C 1106
Patent
active
049040812
ABSTRACT:
An surveying apparatus for a route survey including a laser oscillator incorporated in a subjective cylinder and adapted to direct a laser beam onto a target disposed in an objective cylinder to form a laser spot on the target so as to enable the curvature of a route to be measured by analyzing deviation of the laser spot on the target. The subjective and objective cylinders are connected by a joint means disposed in the middle between the laser oscillator and the target, thereby to improve measuring accuracy and durability.
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Buczinski Stephen C.
Wallace Linda J.
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