Patent ID: 8217999
Filing Date: 2012-07-10
Classification: G01B,G03B

Abstract:
1. A positioning system for a vision measuring instrument, the positioning system comprising: a primary image capture unit capable of capturing an image of a selected micro region of an object for measuring; a light source configured to be attached to the primary image capture unit to illuminate the object; an auxiliary image capture unit secured to said light source to capture an image of a region wider than and including the selected micro region, wherein said light source is mounted to a bottom of the primary image unit; a display unit capable of showing images captured by the primary image capture unit and the auxiliary image capture unit, respectively; and a processing unit coupled to the primary image capture unit, the auxiliary image capture unit, and the display unit; wherein the processing unit is capable of controlling a movement of the primary image capture unit with regard to the object, thereby making the primary image capture unit aim at said selected micro region.