Device for detecting the position of a moving body, in particular an aircraft, in a plane
First Claim
1. A device for detecting the position of a moving body in a plane, said device comprising:
- a source of laser radiation for emitting a laser beam in a sector of planar and thin cross section, in a geometrical plane substantially parallel to the plane of movement of the moving body, and with an angle of divergence adapted to possibilities of displacement of the moving body in said plane of movement for intercepting a given point of the moving body located in the geometrical plane of the beam,at least one camera for forming an image of reflections from said geometrical plane and being responsive essentially to reflections of said laser radiation for receiving radiation reflected by said point of the moving body in a position related to the distance and aximuth of said point relative to a fixed geometrical reference so that said camera generates data related to the position of the moving body in the plane of movement of the body,and calculating means responsive to data received by said at least one camera for utilizing said data.
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Abstract
The device includes a source of laser radiation for emitting a beam of planar and thin section in a sector having an angle of divergence adapted to the possibilities of displacement of the moving body, in a plane parallel to the plane of displacement of the moving body. A camera is reponsive to the reflection of the laser radiation from, for example, a point on the front set of wheels of an aircraft. A calculating device responsive to data received from the camera determines the distance and the azimuth of this point relative to a fixed reference, and a display device controlled by the calculating device informs the operator or the pilot of the position of the moving body.
48 Citations
16 Claims
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1. A device for detecting the position of a moving body in a plane, said device comprising:
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a source of laser radiation for emitting a laser beam in a sector of planar and thin cross section, in a geometrical plane substantially parallel to the plane of movement of the moving body, and with an angle of divergence adapted to possibilities of displacement of the moving body in said plane of movement for intercepting a given point of the moving body located in the geometrical plane of the beam, at least one camera for forming an image of reflections from said geometrical plane and being responsive essentially to reflections of said laser radiation for receiving radiation reflected by said point of the moving body in a position related to the distance and aximuth of said point relative to a fixed geometrical reference so that said camera generates data related to the position of the moving body in the plane of movement of the body, and calculating means responsive to data received by said at least one camera for utilizing said data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification