Graphic closure indicator for cockpit traffic display
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Abstract
A system for graphically displaying on a cockpit display an indication of closure (i.e. a “closure indictor”) with a selected target aircraft. In a preferred embodiment of the invention, the system only displays a closure indicator if: (1) the selected target aircraft is within a pre-determined monitoring zone; and (2) the track of the selected target aircraft is within a pre-determined variation angle of the track of the Own Ship aircraft. If the rate of closure between the selected target aircraft and the Own Ship aircraft is within a predetermined range of values, the closure indicator includes a closing/receding indicia (such as an upwardly or downwardly directed arrow) that indicates whether the Own Ship aircraft is closing in on or receding from the selected target aircraft. The system preferably removes the closure indicator from display when the Own Ship aircraft or the selected target aircraft ceases to be airborne.
51 Citations
71 Claims
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1-53. -53. (canceled)
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54. A computer-readable medium comprising computer-executable instructions for performing the steps of
comparing a track of a target aircraft with a track of an Own Ship aircraft; -
determining whether said target aircraft is within a pre-determined monitoring zone; and
responsive, at least in part, to the track of said target aircraft being within said pre-determined monitoring zone, cause a closure indicator to be displayed on a display screen;
responsive to input from a user, modifying at least one boundary of said monitoring zone; and
removing said closure indicator in response to at least one of said Own Ship aircraft landing and said target aircraft landing. - View Dependent Claims (55, 56, 57, 58, 59, 60)
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61. A method of displaying aeronautical information, said method comprising the steps of
comparing a track of a target aircraft with a track of an Own Ship aircraft; -
determining whether said target aircraft is within a pre-determined monitoring zone; and
responsive, at least in part, to the track of said target aircraft being within said pre-determined monitoring zone, displaying a closure indicator on a display screen;
modifying at least one boundary of said monitoring zone; and
removing said closure indicator in response to at least one of said Own Ship aircraft landing and said target aircraft landing. - View Dependent Claims (62, 63, 64, 65, 66, 68, 69, 70, 71)
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67. A system for displaying aeronautical information, said system comprising a processor configured to:
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compare a track of a target aircraft with a track of an Own Ship aircraft;
determine whether said target aircraft is within a pre-determined monitoring zone; and
cause a closure indicator to be displayed on a display based at least in part to the track of said target aircraft being within said pre-determined monitoring zone;
responsive to input from a user, modify at least one boundary of said monitoring zone; and
remove said closure indicator in response to at least one of said Own Ship aircraft landing and said target aircraft landing.
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Specification