Patent ID: 8780361
Filing Date: 2014-07-15
Classification: G01B,G01C,G03F

Abstract:
1. An apparatus for calibrating a laser projection system, the apparatus comprising: a structural frame assembly comprising a two-dimensional calibration wall having a pair of structural supports attached to the two-dimensional calibration wall, and further comprising a three-dimensional structural assembly extending from the two-dimensional calibration wall, the three-dimensional structural assembly comprising a first three-dimensional structural assembly positioned exterior to a second three-dimensional structural assembly; a plurality of non-movable reflective targets disposed on the structural frame assembly; at least three positioning stages coupled to the structural frame assembly respectively about each of the three mutually orthogonal axes; and at least one movable reflective target disposed on each positioning stage, wherein the non-movable reflective targets and the at least one movable reflective target are each configured to reflect a laser beam from a laser projection system.