Optical sensor for measuring the distance and/or inclination...

Details Optical sensor for measuring the distance and/or inclination... Optical sensor for measuring the distance and/or inclination...

2005-02-15

2005-02-15

Tarcza, Thomas H. (Department: 3662)

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

C356S141500, C356S622000

Reexamination Certificate

active

06856388

ABSTRACT:
An optical sensor for measuring the distance and/or inclination of a surface, particularly relative to a reference plane, or for detecting the distance and/or change in inclination of a surface, wherein a light spot is generated on a detector in that a light beam that is collimated in a first direction is focused in a direction perpendicular to the first direction, so that a line focus is effected along the first direction on the surface and the line focus is imaged on the detector in the second direction and, at the same time, the beam that is reflected at the surface and collimated in the first direction is focused on the detector, wherein the line focus is perpendicular to the reflection plane defined by the impinging, reflected beam.

REFERENCES:
patent: 4477185 (1984-10-01), Berger et al.
patent: 4823014 (1989-04-01), Miyawaki
patent: 4888490 (1989-12-01), Bass et al.
patent: 6091499 (2000-07-01), Abraham et al.
patent: 34 07 074 (1985-08-01), None
patent: 0 145 957 (1985-06-01), None
patent: 401035305 (1989-02-01), None
patent: WO 8807657 (1988-10-01), None
Patent Abstracts of Japan—58-165007 Sep. 30, 1983, Hitachi Seisakusho KK.

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