Boots – shoes – and leggings
Patent
1990-11-21
1994-02-08
Harvey, Jack B.
Boots, shoes, and leggings
364525, 364560, 364713, 356 1, 356375, 382 8, 382 28, 382 62, 382 68, 367907, 33503, 33504, 348 92, 348 94, 348136, 348139, G01B 1103
Patent
active
052853977
ABSTRACT:
A plurality of video cameras (7a-d) are mounted on a table which is adapted support a workpiece or other object to be measured, and the mounting of each camera to the table provides for controlled universal orientation of each camera via an articulating head having provision for selective rotation about each of two orthogonally related axes. The table is provided with vibration damping, whereby both the measured object, and the cameras which provide triangulation data for each measurement, can operate from the same rigid base, isolated from external sources of mechanical shock. The video signals of the cameras are fed, along with instantaneous optical-axis orientation data for each camera, to the computer of a coordinate-measuring machine. The computer relies upon stored calibration data and angular-position data sensed about each of the rotary axes of the articulating heads to derive the orientation data; and the computer additionally relies on video-image analysis to calculate the coordinates of each measured point on the object.
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Ealing Optics Catalogue, The Ealing Corporation No month 1984 pp. 9, 26-27, 32-33, 39-44.
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VDI Berichte No. 711,1988, pp. 139-151.
Breyer Karl-Hermann
Heier Helmut
Koch Klaus-Peter
Carl-Zeiss-Stiftung
Harvey Jack B.
Wachsman Hal D.
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