Distance-measuring method for a device projecting a reference line, and such a device

摘要

The distance measuring method involves transmitting and guiding an optical reference radiation (RS) along a defined reference path (RP). A part of the reference path is detected during their pass through human eye or detectors as reference line. Distance (Di) is measured from a point (Pi) of the reference path. A parallel or coaxial measuring radiation is transmitted for reference radiation or use of the reference radiation. A fraction of reflected measuring radiation is received. A signal is deflected from the fraction and the distance of the point from the signal is determined. An independent claim is included for a measurement system with marking units.