| 摘要 |
An optical measuring device for measuring a plurality of surfaces of an object to be measured using a system of optical elements. For example, the first surface to be measured can be the inner wall of a narrow guide bore, while the second surface to be measured is formed by a valve-seat section that is conical and positioned at one end of the guide bore. As optical elements of measuring device, at least one beam splitter and one lens system are disposed in such a way that a first portion of the light beams incident on the beam splitter is directed perpendicularly onto the first surface of the object to be measured, and a second portion of the light beams incident on the beam splitter strikes the lens system downstream of the beam splitter and is directed via the lens system perpendicularly onto the second surface.
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