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| Number | Title | Issue Date |
| 4473750 | Three-dimensional shape measuring device A three-dimensional shape measuring device comprises a light beam condensing and irradiating system for irradiating a light beam to an object at a fixed angle θ and converging the light beam to a desired minimum diameter at a point A on an optical axis o... | 09/25/1984 |
| 4457626 | Apparatus for determining the position of a mark on an object Disclosed is an apparatus for determining the position of a mark on an object to be determined in terms of configuration, movement or any other geometrical or physical condition, using a photosensitive element and a light reflecting body in such a combina... | 07/03/1984 |
| 4325640 | Electro-optical triangulation rangefinder for contour measurement A non-contacting, electro-optical system adapted automatically to measure the contour of a shaped object held in a fixture with its contoured surface presented to an electro-optical triangulation rangefinder assembly. The assembly is constituted by a pivo... | 04/20/1982 |
| 4299491 | Noncontact optical gauging system A laser beam is focused to a spot on the surface of an object whose contour is to be measured. The spot is projected from the surface onto a detector by a reciprocating mirror which scans the spot across the detector. The detector produces two output sign... | 11/10/1981 |
| 4226536 | Electro-optical contour measuring system A non-contacting, electro-optical system adapted automatically to measure the contours of helicopter rotor blades and other shaped objects at high speed and with a high degree of accuracy. An object to be measured is held in a fixture with its contoured s... | 10/07/1980 |
| 4204772 | Optical measuring system A non-contacting optical probe incorporates an optical system designed to measure distances between various surfaces which may be internal or external such as exists in molds and the like. A collimated light beam is passed off-center through a first lens ... | 05/27/1980 |
| 4125317 | Optical inspection system employing dual path pickup system with single spherical mirror An optical system having a single spherical mirror for collecting light from two directions combined by a beam splitter after the light has been scattered from the surface of a turbine blade or the like. The spherical mirror is located at an equal optical... | 11/14/1978 |
| 3986774 | Gauging surfaces by remotely tracking multiple images A system for measuring the surface contour of an object by tracking the image of a spot of radiation focused on the surface is disclosed. The radiation spot is imaged on a plurality of suitable detectors which are remote to the surface and connected elect... | 10/19/1976 |
