G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 11/03 (2006.01) G01B 11/00 (2006.01) G01C 15/00 (2006.01) G01S 5/16 (2006.01)
Patent
CA 2119769
Method and system for point by point measurement of spatial coordinates, in which a touch probe (8; 14) comprising three point sized light sources (9, 10, 11, 17, 18) at known local coordinates relative to a local probe fixed coordinate system and with a touch point (12) at known location relative to said local coordinate system, is used such that said touch probe touches the point to be measured. A single opto-electronic angle sensor (13) for measurement of spatial direction towards point sized light sources (9, 10, 11, 17, 18) is set up such that its field of view/work area covers the essential parts of the object to be measured, and such that the light sources of said touch probe are seen from the angle sensor (13) for all the relevant measurement points. The spatial direction for each of the light sources of the touch probe are registered simultaneously. Based on the registered spatial directions, the position and orientation of the touch probe are calculated relative to said single angle sensor, and such that the position of the touch probe is related to its point of contact with the measured object.
Pettersen Alf
Rotvold Oyvind
Metronor As
Perley-Robertson Hill & Mcdougall Llp
LandOfFree
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