Apparatus and method for determining the spatial position and velocity vector of a spherical projectile
First Claim
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1. An apparatus for determining the spatial position, velocity, and trajectory of a spherical object comprising:
- a projecting means for projecting a first plurality of parallel beams of light within a first plane with a separation distances, between adjacent beams less than the radius of the spherical object;
a detecting means for detecting the blockage of each beam of light from the projecting means by the spherical object;
an instrumentation means for measuring a time of each beam blockage relative to each beam that is blocked by the spherical object; and
a computing means for computing the position, velocity, and trajectory of the spherical object based on the times, the beam separation distance, and the diameter of the spherical object.
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Abstract
A spherical object is detected as it passes through an array of planer light beams and associated detectors. The construction of the apparatus is such that at least 4 planar light beams are obscured by the passing object, two parallel beams in one direction and two parallel beams in a second direction. The apparatus records the time at which each affected light beam is obstructed by the passing object. The apparatus then calculates the spatial position, velocity and trajectory of the object.
25 Citations
4 Claims
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1. An apparatus for determining the spatial position, velocity, and trajectory of a spherical object comprising:
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a projecting means for projecting a first plurality of parallel beams of light within a first plane with a separation distances, between adjacent beams less than the radius of the spherical object; a detecting means for detecting the blockage of each beam of light from the projecting means by the spherical object; an instrumentation means for measuring a time of each beam blockage relative to each beam that is blocked by the spherical object; and a computing means for computing the position, velocity, and trajectory of the spherical object based on the times, the beam separation distance, and the diameter of the spherical object. - View Dependent Claims (2, 3)
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4. A method for determining the velocity, trajectory and position of a spherical object, comprising the steps of:
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passing the spherical object through two parallel rays of light thereby blocking the rays to thereby measure a time at which each ray is blocked relative to each blocked ray of light; and computing the velocity, trajectory, and position of the spherical object based on the times, a diameter of the spherical object, and a distance between the parallel rays of light.
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Specification