Method and system for displaying target icons correlated to target data integrity
First Claim
1. A method for displaying a target icon correlated to target data integrity, comprising:
- receiving target data describing a position of a target, said target data including a plurality of spatial coordinates defining said position, a time of measurement of said position, and an accuracy indicator;
determining said target data integrity based upon said target data;
assigning a target icon from a plurality of icons to represent said target, said target icon correlated to said target data integrity;
displaying said target icon.
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Accused Products
Abstract
A method is provided for determining the integrity of incoming target data and for assigning and displaying a target icon correlated to the target data integrity. Target data integrity depends on the both accuracy and the timeliness of the position data being broadcast about the target. Target data integrity is monitored continuously to display a target icon correlated to the current integrity level. Changes in the target icon alert the flight crew or other user to changes in target data integrity. The icon attributes used to communicate a change in integrity do not interfere with other icon attributes used to communicate other characteristics of a target.
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Citations
21 Claims
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1. A method for displaying a target icon correlated to target data integrity, comprising:
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receiving target data describing a position of a target, said target data including a plurality of spatial coordinates defining said position, a time of measurement of said position, and an accuracy indicator;
determining said target data integrity based upon said target data;
assigning a target icon from a plurality of icons to represent said target, said target icon correlated to said target data integrity;
displaying said target icon. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
said ownship data including a plurality of spatial coordinates defining an ownship position, a time of measurement of said ownship position, and an ownship accuracy indicator. -
5. The method of claim 1, wherein correlation of said target icon involves changing at least one attribute selected from the group consisting of shape, color, size, steady, flashing, surrounded by diagonal lines, solid, filled, outlined, annotated, and accompanied by an audible alert.
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6. The method of claim 1, wherein said target icon is configured to communicate said target data integrity and a further characteristic of said target.
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7. The method of claim 6, further comprising the step of assigning a differently appearing target icon in response to a change in status of said target, while continuing to communicate said further characteristic.
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8. The method of claim 1, further comprising the step of storing said target data in a target file, said target file capable of storing said target data from a plurality of said targets, at a plurality of times, in a plurality of discrete records.
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9. The method of claim 1, further comprising:
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determining said target data integrity to be high at a first time if said accuracy indicator is more than an accuracy limit and the difference between said time of measurement and said first time is less than a time limit; and
otherwise, determining said target data integrity to be low at said first time.
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10. The method of claim 9, wherein said target icon is a chevron shape while said target data integrity is high and said target icon is a bullet shape while said target data integrity is low.
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11. The method of claim 9, further comprising the step of adjusting said accuracy limit.
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12. The method of claim 9, further comprising the step of adjusting said time limit.
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13. The method of claim 9, further comprising the steps of adjusting said accuracy limit and adjusting said time limit.
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14. The method of claim 9, further comprising:
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labeling said target data integrity as degraded if said target data integrity is low at a second time and the difference between said first time and said second time is less than a degrade time limit; and
assigning a second target icon from a plurality of icons to represent said target, said second target icon correlated to said degraded target data integrity.
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15. The method of claim 14, further comprising:
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labeling said target data integrity as improved if said target data integrity is high at a third time and the difference between said second time and said third time is less than an improve time limit; and
assigning a third target icon from a plurality of icons to represent said target, said third target icon correlated to said improved target data integrity.
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16. An apparatus for displaying a target icon correlated to target data integrity, comprising:
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a receiver for collecting target data describing a position of a target, said target data including a plurality of spatial coordinates defining said position, a time of measurement of said position, and an accuracy indicator;
a first processor in communication with said receiver, said first processor configured to determine said target data integrity based upon said target data;
a second processor in communication with said first processor, said second processor configured to assign a target icon from a plurality of icons to represent said target, said target icon correlated to said target data integrity; and
a display in communication with said second processor, said display configured to exhibit said target icon on a screen. - View Dependent Claims (17, 18)
said ownship data including a plurality of spatial coordinates defining an ownship position, a time of measurement of said ownship position, and an ownship accuracy indicator. -
18. The apparatus of claim 16, further comprising a target file configured to store said target data collected by said receiver from a plurality of said targets, at a plurality of times, in a plurality of discrete records,
said target file in communication with said receiver, said first processor, and said second processor.
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19. A system for displaying a target icon correlated to target data integrity, comprising:
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a receiving subsystem configured to collect target data describing a position of a target, said target data including a plurality of spatial coordinates defining said position, a time of measurement of said position, and an accuracy indicator;
a first processor in communication with said receiving subsystem, said first processor configured to direct the execution of a first application for determining said target data integrity based upon said target data;
a second processor in communication with said first processor, said second processor configured to direct the execution of a second application for assigning a target icon from a plurality of icons to represent said target, said target icon correlated to said target data integrity; and
a displaying subsystem in communication with said second processor, said displaying subsystem configured to visually exhibit said target icon on a screen. - View Dependent Claims (20, 21)
said ownship data including a plurality of spatial coordinates defining an ownship position, a time of measurement of said ownship position, and an ownship accuracy indicator. -
21. The system of claim 20, further comprising a target file configured to store said target data collected by said receiving subsystem from a plurality of said targets, at a plurality of times, in a plurality of discrete records,
said target file in communication with said receiving subsystem, said first processor, and said second processor.
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Specification