NAVIGATION AID METHOD, DEVICE AND PROGRAM
First Claim
1. A navigation aid device, comprising:
- a calculation time setting module for setting two or more calculation points of time for calculating trial information;
a ship-concerned information acquisition module for acquiring ship-concerned information including a position of a ship concerned at every predetermined ship-concerned information acquisition time; and
a ship-concerned trial information calculating module for calculating ship-concerned trial information including the position of the ship concerned at each calculation point of time based on the ship-concerned information acquired at the newest information acquisition time with respect to the calculation point of time.
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Abstract
This disclosure provides a navigation aid device that includes a calculation time setting module for setting two or more calculation points of time for calculating trial information, a ship-concerned information acquisition module for acquiring ship-concerned information including a position of a ship concerned at every predetermined ship-concerned information acquisition time, a ship-concerned trial information calculating module for calculating ship-concerned trial information including the position of the ship concerned at each calculation point of time based on the ship-concerned information acquired at the newest information acquisition time with respect to the calculation point of time.
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Citations
20 Claims
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1. A navigation aid device, comprising:
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a calculation time setting module for setting two or more calculation points of time for calculating trial information; a ship-concerned information acquisition module for acquiring ship-concerned information including a position of a ship concerned at every predetermined ship-concerned information acquisition time; and a ship-concerned trial information calculating module for calculating ship-concerned trial information including the position of the ship concerned at each calculation point of time based on the ship-concerned information acquired at the newest information acquisition time with respect to the calculation point of time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A navigation aid method, comprising:
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setting two or more calculation points of time for calculating trial information; acquiring ship-concerned information including a position of a ship concerned at every predetermined ship-concerned information acquisition time; calculating ship-concerned trial information including the position of the ship concerned at each calculation point of time based on the ship-concerned information acquired at the newest information acquisition time with respect to the calculation point of time; setting a display point of time at which the position of the ship concerned is displayed so as to correspond to each calculation point of time; displaying at each display point of time the position of the ship concerned at each calculation point of time corresponding to the display point of time; and displaying the position of the ship concerned at least one of the calculation points of time among the calculation points of time so as to correspond to a display position. - View Dependent Claims (19)
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20. A navigation aid program, comprising:
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a means for causing a computer to input two or more calculation points of time for calculating trial information; a means for causing the computer to input ship-concerned information including at least one of a position, a speed, and a bearing of a ship concerned at every predetermined ship-concerned information acquisition time; a means for causing the computer to calculate ship-concerned trial information including the position of the ship concerned at each calculation point of time based on the ship-concerned information acquired at the newest information acquisition time with respect to the calculation point of time; a means for causing the computer to input target-object information including at least one of a position, a moving speed, and a moving direction of a target object other than the ship concerned at every predetermined target-object information acquisition time; a means for causing the computer to calculate target-object trial information including the position of the target object at each calculation point of time based on the target-object information acquired at the newest information acquisition time with respect to the calculation point of time; and a means for causing the computer to display at each display point of time the position of the target object at each calculation point of time corresponding to the display point of time.
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Specification