Passive optical velocity measurement device and method

Details Passive optical velocity measurement device and method Passive optical velocity measurement device and method

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.

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