G - Physics – 01 – B
Patent
G - Physics
01
B
354/21, 33/49
G01B 11/02 (2006.01) G01S 7/497 (2006.01) G01S 17/46 (2006.01)
Patent
CA 1175145
ABSTRACT OF THE DISCLOSURE A method for correcting a measuring signal which has been generated by an apparatus measuring in contact-free fashion. The apparatus scans a surface to be measured with a light beam, measures the light reflected by the surface by means of an opto- electric detector installation, and generates the measuring signal in dependence upon one or more electrical signals emitted by the detector. In the case of the above-described apparatus, distor- tions of the electrical signal emitted by the detector, which distortions occur for example through non-uniform scattering ability of the surface to be measured, can result. These distor- tions lead to measurement errors. Such measurement errors are corrected in the simplest manner possible. For this purpose, the measuring signal is corrected in dependence upon a distortion of an electrical signal.
386853
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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