A display system includes information sources containing information relating to an aircraft and its surrounding environment. A processor constructs a three-dimensional synthesis image of the aircraft environment, using the information from the information sources, so as to display the position of t
A display system includes information sources containing information relating to an aircraft and its surrounding environment. A processor constructs a three-dimensional synthesis image of the aircraft environment, using the information from the information sources, so as to display the position of the aircraft, the environment through which the aircraft is moving, and the terrain to be flown over. The synthesis image is coherent with information relating to another display. A display unit displays the synthesis image on one area of a display screen.
대표청구항▼
The invention claimed is: 1. A display system for an aircraft, said display system comprising a display device, comprising: information sources including information relating to the aircraft and to its environment; a processor that constructs an image of the environment of the aircraft on the basis
The invention claimed is: 1. A display system for an aircraft, said display system comprising a display device, comprising: information sources including information relating to the aircraft and to its environment; a processor that constructs an image of the environment of the aircraft on the basis of information emanating from said information sources, said processor constructing a synthesis image in three dimensions so as to visualize the position of the aircraft, as well as the environment in which this aircraft is deploying and comprising the terrain to be overflown; a display device comprising at least one visualization screen, and presenting said synthesis image on at least one zone of said visualization screen, wherein: said synthesis image is consistent at least with information relating to another display, said display device is linked to said other display, and said processor utilizes an amplified altitude to construct a representation of the terrain on said synthesis image, said amplified altitude corresponding to the effective terrain altitude received from said information sources, which is multiplied by a coefficient k whose value lies in an interval substantially equal to [1; 2]; and a collision warning device relating to the terrain to effect said other display, wherein said display device and said collision warning device use information from a database including data relating to the terrain, wherein said processor: determines a first straight line passing through the location of the aircraft and forming a first angle of lateral separation and a first angle of vertical separation with the course of the aircraft; determines a first point which is situated on said first straight line to the rear of the aircraft at a distance such that the vertical projection of the first point on the horizontal plane passing through the location of the aircraft is situated at a predetermined distance form said location of the aircraft; determines a line of aim passing through said first point and forming a second angle of lateral separation and a second angle of vertical separation with a second straight line passing through said first point and parallel to said course of the aircraft; defines a plane of projection which is orthogonal to said line of aim; constructs an image of at least one part of the environment at least at the front of the aircraft with the aid of conical rejection onto said plane of projection taking account of said first point as reference point of the projection; laterally delimits said image by two vertical straight lines cutting respectively the horizon line of the image at second and third points which are such tat, on the one hand, the angle between the line of aim and a third straight line passing through said first and second points corresponds to a predetermined angle and, on the other hand, the angle between the line of aim and a fourth straight line passing through said first and third points corresponds to a predetermined angle; adapts the scale of the image thus delimited so as to make the straight line segment which is formed by said second and third points and which defines the width of the image correspond to the width of a visualization screen on which one wishes to present said image, and the image is delimited vertically as a function of the height of said visualization screen; and transmits the image thus constructed to said display means so that they preset it on said display zone of said visualization screen. 2. The display system as claimed in claim 1, wherein said other display is a display in two dimensions. 3. The display system as claimed in claim 1, wherein said processor constructs said synthesis image in three dimensions, according to a viewpoint which is outside the aircraft. 4. The display system as claimed in claim 1, wherein said collision warning device determines, as appropriate, zones of potential impact of the aircraft with the terrain overflown and transmits them to said display device which integrates these zones of potential impact into said synthesis image. 5. The display system as claimed in claim 1, wherein said collision warning device uses a particular apportionment of various colors for said other display and transmits this particular apportionment of colors to said display device which uses it in the display of said synthesis image in three dimensions. 6. The display system as claimed in claim 1, wherein said visualization screen is a navigation screen which comprises at least two different display zones, arranged vertically one above the other, namely a first upper zone for effecting said other display, and a second lower zone for displaying said synthesis image in three dimensions. 7. The display system as claimed in claim 6, wherein the ratio between the height of said first zone and the height of said second zone lies in an interval equal to [2; 3]. 8. The display system as claimed in claim 6, wherein it displays on said first upper zone at least one terrain image, which emanates from a collision warning device. 9. The display system as claimed in claim 1, wherein said processor utilizes, to construct said synthesis image in three dimensions, parameters evidencing the perspective of the terrain on said synthesis image, which depend on the display mode and on the display scale that are used for another image. 10. The display system as claimed in claim 1, wherein said visualization screen is a navigation screen which comprises at least two different display zones, arranged vertically one above the other, namely a first upper zone for effecting said other display, and a second lower zone for displaying said synthesis image in three dimensions, the display displays on said first upper zone at least one terrain image, which emanates from a collision warning device, and the synthesis image emanates from at least one of common processing units and information sources.
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이 특허에 인용된 특허 (9)
Bateman Charles Donald (Bellevue WA), Below glide slope advisory warning system for aircraft.
Morizet,Benoit; Lecomte,Pierre; Wanner,Jean Claude; Wanner,Nicole; Lhote,S?bastien; Morere,Patrick; Amade,Vincent, Process and device for constructing a synthetic image of the environment of an aircraft and presenting it on a screen of said aircraft.
Yum, Roger L.; VanDerKamp, Travis S.; Frank, David A., System, apparatus, and method for enhancing the image presented on an aircraft display unit through location highlighters.
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