Method and device for displaying forecasts on a navigation plan
First Claim
1. A method of displaying a navigation plan for a craft by a display device comprising a display system, at least one viewing screen, means for calculating the navigation plan of the craft, at least one navigation data forecasting computer and pointing means engaging and deactivating a selection function, the display system representing on the viewing screen the craft on the navigation plan and the navigation data at an instant of the future position of the craft, the system uses the navigation plan as a time scale by enabling the craft to move on the navigation plan to display the forecast data from the computers and handles the following functions:
- when a user selects the symbol representing the craft on the navigation plan at its current position and keeps the selection function active, the system initially creates a second symbol representing the craft, this symbol sliding along the navigation plan by means of a pointer, andwhen the user modifies the position of the second symbol on the navigation plan in order to change it to a future position, the system displays on the viewing screen the first symbol, the second symbol representing the craft on the navigation plan in the future position and the navigation data at the instant of the future position of the craft.
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Abstract
The invention applies particularly to the method and device for displaying forecasts on the flight plan of an aircraft. The method includes representing the craft by a first symbol in its current position and by a second symbol in its future position, modifying the position of the second symbol on the navigation plan in order to change it to a future position, displaying on the viewing screen the first symbol and at the same time the second symbol representing the craft on the navigation plan in a future position and displaying on the viewing screen the navigation data at the instant of the future position of the craft.
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Citations
15 Claims
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1. A method of displaying a navigation plan for a craft by a display device comprising a display system, at least one viewing screen, means for calculating the navigation plan of the craft, at least one navigation data forecasting computer and pointing means engaging and deactivating a selection function, the display system representing on the viewing screen the craft on the navigation plan and the navigation data at an instant of the future position of the craft, the system uses the navigation plan as a time scale by enabling the craft to move on the navigation plan to display the forecast data from the computers and handles the following functions:
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when a user selects the symbol representing the craft on the navigation plan at its current position and keeps the selection function active, the system initially creates a second symbol representing the craft, this symbol sliding along the navigation plan by means of a pointer, and when the user modifies the position of the second symbol on the navigation plan in order to change it to a future position, the system displays on the viewing screen the first symbol, the second symbol representing the craft on the navigation plan in the future position and the navigation data at the instant of the future position of the craft. - View Dependent Claims (2, 3, 4, 5, 6, 13, 15)
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7. A device for displaying a navigation plan of a craft comprising:
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a display system; at least one viewing screen; means for calculating the navigation plan of the craft; at least one navigation data forecasting computer; and pointing means engaging and deactivating a selection function, the pointing means is means for modifying a current position of the craft on the navigation plan, wherein said display system represents on the viewing screen the craft on the navigation plan by a first symbol in the current position and by a second symbol in a future position; said second symbol is initially created by the system when said first symbol is selected and the selection function is kept active; said second symbol is slidable along the navigation plan by said pointing means; said means for calculating the navigation plan supplies data concerning a temporal position of the craft represented by the second symbol on the navigation plan to at least one forecasting computer; said display system presents on the viewing screen the future navigation data corresponding to an instant position of the craft represented by the second symbol on the navigation plan. - View Dependent Claims (8, 9, 10, 11, 12, 14)
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Specification