Surface mensuration sensor
August 26, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3796492 3918816 Gauging surfaces by remotely tracking multiple images Recording images of a three-dimensional surface by focusing on a plane of light irradiating the surface Apparatus for measuring contour configuration of articles Examining a gemstone Arrangement of eliminating erroneous data in three-dimensional optical sensors Method for measuring the transverse profile of the head of a rail of a railroad track Method and apparatus for automatic alignment Patent #: 4563094 InventorsApplicationNo. 06/769442 filed on 08/26/1985US Classes:356/606Line of light projectedExaminersPrimary: Evans, F. L.Attorney, Agent or FirmInternational ClassesG01B 11/25 (20060101)G01B 11/24 (20060101) G05B 19/42 (20060101) AbstractThe invention is an apparatus having an improved arrangement of sensing and illumination elements for high speed, non-contact, three-dimensional mensuration of a surface. The surface is illuminated by a single plane of light producing a contour line. The line is viewed from two or more vantage points, alleviating shadowing from many types of large surface irregularities. The geometry of the apparatus is tolerant of moving surfaces, allows higher data rates and has great depth of field for the sensor. | |
