Method to accurately measure the angular orientation of a...

Details Method to accurately measure the angular orientation of a... Method to accurately measure the angular orientation of a...

2006-09-26

2006-09-26

Tarcza, Thomas H. (Department: 3662)

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

C356S139010, C356S139020, C356S003010

Reexamination Certificate

active

07113271

ABSTRACT:
A method is described that measures the angular orientation of a rotational axis to a reference line. The reference line is defined by the position of a string. The alignment device includes a collimated light source that is projected approximately perpendicular to a rotating axis. The distance between the projected collimated light beam and the reference line is observed at two or more points. The distances between the reference line and light beam are then used to compute the non-perpendicular alignment angle of the rotational axis relative to the reference line. Other objects, advantages, and contributions are set forth in the disclosing embodiments of the invention.

REFERENCES:
patent: 5123736 (1992-06-01), Pierik et al.
patent: 5430539 (1995-07-01), Lysen
patent: 5579585 (1996-12-01), Schaeffer
patent: 6049378 (2000-04-01), Busch et al.
patent: 6434849 (2002-08-01), Hermann
patent: 6580519 (2003-06-01), Wick

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