Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent
1996-11-04
1998-04-28
Buczinski, Stephen C.
Optics: measuring and testing
Velocity or velocity/height measuring
With light detector
356 406, G01P 336, G01C 308
Patent
active
057452261
ABSTRACT:
An optical velocity measuring device includes a pair of V/H sensors effectively located at two different distances from a moving object. Each sensor is used to determine an image velocity and a corresponding angular velocity of the object. The angular velocity measurements and the difference in distance or optical path length of the individual sensors are used to determine the absolute linear tangential speed of the object without determining the absolute distance to the object.
REFERENCES:
patent: 2942119 (1960-06-01), King et al.
patent: 3057071 (1962-10-01), Sinn et al.
patent: 3059521 (1962-10-01), Clemens et al.
patent: 3706494 (1972-12-01), Gardner
patent: 3899251 (1975-08-01), Frenk et al.
patent: 5180921 (1993-01-01), Moreau et al.
Buczinski Stephen C.
Litton Systems Inc.
Wallach Michael H.
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