Mechanical Technology Incorporated

Alan M Offt

Robert L Jackson, Jr

Russell P Kraft

Leo Hoogenboom

John F Wagner

A system for locating a feature of an object disposed in a frame includes a spot projector for projecting a spot in the general vicinity of the feature and an imaging device with a limited field of view. The spot projector is a precision device which projects the spot towards a preselected location on the frame. When the spot and the feature are in the field of view of the imaging device, the absolute location of the feature is determined from its selective distance to the spot. Provisions are also made for determining depth or relief information about the object.

Method and apparatus for determining the position of a feature of an

In the present system, the thickness of an object with two surfaces is determined by forming two geometric images on the surfaces in a superimposed relationship. The images are viewed by two video cameras and their relative positions with respect to two corresponding references are determined. These relative positions are used to measure the thickness of the object.

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Clifton Park, NY, United States of America

Alan M Offt