CONTACTLESS THREE-COORDINATE METER Russian patent published in 2002 - IPC

FIELD: measurement technology employing optical measurement aids in various branches of industry and economic activities to determine coordinates of surface of three-dimensional objects. SUBSTANCE: contactless distance meter has illumination unit forming probing light line on surface OO of measurement object, double channel receiving projection system, CCD matrix and converting- computing unit to which input output of CCD matrix is connected. CCD matrix is installed on optical axis of projection lens of double channel receiving projection system which is fitted with two pentaprisms and mirror and prism separation unit. EFFECT: enhanced absolute and relative measurement precision. 3 cl, 2 dwg