Optics: measuring and testing – Angle measuring or angular axial alignment – Relative attitude indication along 3 axes with photodetection
Reexamination Certificate
2007-06-12
2007-06-12
Tarcza, Thomas H. (Department: 3662)
Optics: measuring and testing
Angle measuring or angular axial alignment
Relative attitude indication along 3 axes with photodetection
Reexamination Certificate
active
10724234
ABSTRACT:
Method for determining an axle geometry by recording and evaluating a topographical image of a face (6) of a wheel (1) fitted to an axle (2), and a sensor (10) for execution of the method. The method includes projecting light with a coding onto an area on the face (6) of the wheel (1) from a projecting direction; recording the light reflected from the area on the face (6) of the wheel (1) with an image converter (8), from a direction other than the light projecting direction; determining three-dimensional surface coordinates for the topographical image of the face (6) of the wheel (1) from the recorded light; and evaluating the topographical image in relation to a reference system.
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Weiyi Liu, Zhaoqi Wang, Guoguang Mu and Zhiliang Fang, “Color-coded projection grating method for shape measurement with a single exposure,” Applied Optics, Jul. 10, 2000, pp. 3504-3508, vol. 39, No. 20, Optical Society of America, United States.
Forster Frank
Jahn Lars
Laloni Claudio
Ratcliffe Luke D.
Siemens Aktiengesellschaft
Sughrue & Mion, PLLC
Tarcza Thomas H.
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