Patent ID: 8520058
Filing Date: 2013-08-27
Classification: G01B

Abstract:
1. A device for obtaining 3D surface data of a surface of an object, the device including: a projection unit having at least one spatial light modulator, the projection unit being configured and disposed to project at least two different images coming from the at least one spatial light modulator at the surface of the object along approximately a first optical axis, each image being projected for less than 500 μs, at least one of the projected images including at least two spectrally multiplexed wavelength bands, each wavelength band being included in at least two of the projected images; an image sensing unit configured and disposed to record reflected images created by the corresponding projected images reflecting on the surface of the object along approximately a second optical axis; and a data processing unit to calculate the 3D surface data using at least some of the data from the recorded reflected images.