Apparatus for measuring a dimension of an object
作者： William Anthony Borgese
DOI:
关键词: Surface (mathematics) 、 Beam (structure) 、 Object (computer science) 、 Interception 、 Beam angle 、 Mathematics 、 Point (geometry) 、 Light beam 、 Dimension (vector space) 、 Optics
摘要: A beam of light angularly directed relative to a surface an object having dimension be measured is intercepted by the object, which moving at known speed. By knowing angle, speed, and time lapse between passage past reference point interception, readily determined.
lens.org 参考文章(4)
E Denton, Sweep measuring scheme ,(1972)
Harry G Conner, Edward W Yetter, Method and apparatus for determining the coordinate of a projectile by measuring the time interval between the interception of successive light screens ,(1967)
Brady Thomas William, Higgins Bertram George, Improvements relating to the sorting and counting of packages ,(1956)
Kay James Arthur, Improvements in or relating to light-sensitive controlling devices ,(1958)