METHOD AND APPARATUS FOR DETERMINING AND RETRIEVING POSITIONAL INFORMATION
First Claim
1. A method for determining and retrieving positional information, comprising:
- locating a plurality of first conductive elements on a surface and a plurality of second conductive elements on said surface to form a first grid having a first plurality of intersections, electrically isolating the plurality of first conductive elements from the plurality of second conductive elements;
coupling a second grid to the surface and electrically isolating the second grid from the plurality of first conductive elements and the plurality of second conductive elements, the second grid comprising a plurality of third conductive elements intersecting each other at a plurality of nodes, the plurality of nodes aligned with the plurality of intersections;
penetrating the surface with a projectile;
electronically determining a first location of a first penetration of the surface with the projectile based on a first change in a first electrical measurement of the first conductive element and a second change in a second electrical measurement of the second conducting element;
penetrating the surface with a second projectile;
electronically generating a plurality of possible penetration points of the second projectile based on the first location;
performing a computer simulation of the second grid;
performing a plurality of third electrical measurements on a second plurality of locations of the second grid; and
electronically determining a second location of a second penetration of the surface with the second projectile based on the plurality of possible penetration points of the second projectile, the computer simulation and the plurality of third electrical measurements.
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Abstract
An apparatus for determining and retrieving positional information including a surface having a plurality of first elements and a plurality of second elements, a first detection element connected to at least one of the plurality of first elements, and a second detection element connected to at least one of the plurality of second elements. The detection elements may include pulse detection elements or current sensing circuits. The plurality of first elements and the plurality of second elements may include conductive and non-conductive threads, and the conductive threads may include piezoelectric crystals embedded within conductive plastic.
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Citations
11 Claims
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1. A method for determining and retrieving positional information, comprising:
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locating a plurality of first conductive elements on a surface and a plurality of second conductive elements on said surface to form a first grid having a first plurality of intersections, electrically isolating the plurality of first conductive elements from the plurality of second conductive elements; coupling a second grid to the surface and electrically isolating the second grid from the plurality of first conductive elements and the plurality of second conductive elements, the second grid comprising a plurality of third conductive elements intersecting each other at a plurality of nodes, the plurality of nodes aligned with the plurality of intersections; penetrating the surface with a projectile; electronically determining a first location of a first penetration of the surface with the projectile based on a first change in a first electrical measurement of the first conductive element and a second change in a second electrical measurement of the second conducting element; penetrating the surface with a second projectile; electronically generating a plurality of possible penetration points of the second projectile based on the first location; performing a computer simulation of the second grid; performing a plurality of third electrical measurements on a second plurality of locations of the second grid; and electronically determining a second location of a second penetration of the surface with the second projectile based on the plurality of possible penetration points of the second projectile, the computer simulation and the plurality of third electrical measurements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for determining and retrieving positional information, comprising:
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a plurality of first conductive elements located on a surface and a plurality of second conductive elements located on said surface to form a first grid having a plurality of intersections, the plurality of first conductive elements electrically isolated from the plurality of second conductive elements; a controller connected to the plurality of first elements and the plurality of second elements and configured to determine a location of a first penetration of the surface with a first projectile based on a first change in a first electrical measurement of the first conductive element and a second change in a second electrical measurement of the second conducting element; a second grid coupled to the surface and electrically isolated from the plurality of first conductive elements and the plurality of second conductive elements, the second grid comprising a plurality of third conductive elements intersecting each other at a plurality of nodes, the plurality of nodes aligned with the plurality of intersections; a second controller connected to the second grid and configured to generate a plurality of possible penetration points of the second projectile based on the first location, the second controller configured to perform a computer simulation of the second grid and perform a plurality of third electrical measurements on a second plurality of locations of the second grid; and the second controller configured to determine a second location of a second penetration of the surface based on the plurality of possible penetration points of the second projectile, the computer simulation and the plurality of third electrical measurements. - View Dependent Claims (11)
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Specification