Miniature three-dimensional contour scanner

Details Miniature three-dimensional contour scanner Miniature three-dimensional contour scanner

2005-12-20

2005-12-20

Smith, Zandra V. (Department: 2877)

Optics: measuring and testing

Shape or surface configuration

Triangulation

C433S029000

Reexamination Certificate

active

06977732

ABSTRACT:
A miniature three-dimensional contour scanner is provided, which integrates the optical element and the set of optical lens of the optical projection module and the image capture module into a miniature measurement device. The device utilizes the optical fiber to guide in the light of outside light source and applies the digital micromirror device (DMD) chip to produce structured light pattern and project it onto the object's surface to be measured. The image sensor element is then used to capture the deformed structured fringe image, and by utilizing this information it is able to obtain the colored two-dimensional image and the three-dimensional contour size of the object. The miniature three-dimensional contour scanner can thus be applied in the measurement of miniature objects in the narrow space.

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patent: 6373561 (2002-04-01), Riegel
patent: 6464633 (2002-10-01), Hosoda et al.

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