Communications: directive radio wave systems and devices (e.g. – Directive – Position indicating
Patent
1997-12-22
1999-07-13
Issing, Gregory C.
Communications: directive radio wave systems and devices (e.g.,
Directive
Position indicating
G01S 302
Patent
active
059232943
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a navigation system allowing real-time coordination of the displacement of at least two mobiles travelling out of direct line of sight. A first mobile regularly indicates to a second distant mobile the new direction of progress to be followed, and does so without using any visible or audible transmission system.
The present invention applies more particularly to the context of an infantry combatant on the battle field. It enables, for example, a group leader, continuously aware of the position of the members of the combat group, to coordinate their displacement as a function of his own displacement.
2. Discussion of the Background
Known systems currently use either means of direct voice transmission, radio means for example, or visual means, via gestures, sets of lights, smoke signals, flags, etc.
These various means are not, on the one hand, completely stealthy, and on the other hand, may quickly run into difficulty on account of the relief of the terrain and/or the meteorological conditions.
SUMMARY OF THE INVENTION
The objective of the present invention is to alleviate the aforesaid drawbacks.
To this end, the subject of the invention is a navigation system allowing real-time coordination of the displacement of at least two distant mobiles travelling out of direct line of sight, characterized in that it includes a terminal arranged on each mobile respectively, each terminal including:
a means of location of the mobile,
a means of display of its progress with respect to a common reference direction,
a means which indicates to the two mobiles a common reference direction and is coupled to the display means,
a means of communication of progress data, and
a means of processing the information delivered by the means which indicates to the two mobiles the common reference direction, the locating means and the communication means so as to display them on the display means,
and in that at least one of the two mobiles furthermore includes:
a means of display of the progress of the second mobile with respect thereto, and
a facility for inputting a specified angle defining the correction to be made to the direction of progress of the second mobile with respect to the new progress of the first mobile, this correction being transmitted to the second mobile by way of the communication means respective to the first and second mobiles.
The system according to the invention has the advantage of combining easily implemented means of location, communication and display, and furnishes a navigation system whose man/machine interface is ergonomic and user-friendly, and especially well suited to the context in which the mobiles are pedestrians.
BRIEF DESCRIPTION OF THE DRAWINGS
Other advantages and characteristics of the present invention will emerge more clearly on reading the description which follows and the appended figures which represent:
FIG. 1, a functional diagram of the navigation system according to the invention,
FIG. 2, an example of display, by the mobile A, of its means of display of the system according to the invention,
FIG. 3, an example of display, by the mobile B, of its means of display of the system according to the invention,
FIG. 4, an example of orientation of the means of display of the mobile A with respect to North and to the new direction of progress of the mobile B.
FIGS. 5a and 5b, the illustration of the method used by the mobile A to input the new direction to be followed by the mobile B,
FIG. 6, an architecture of a wrist terminal according to the invention, borne by the mobile A, and
FIG. 7, an illustration of the input of a new angle of orientation on the wrist terminal of the mobile A.
DISCUSSION OF THE PREFERRED EMBODIMENTS
A functional diagram of a system according to the invention is illustrated diagrammatically in FIG. 1.
The system according to the invention includes, arranged on the mobile A and the mobile B respectively:
a means of location, 1A, 1B,
a means of display 2A, 2B,
a means, fo
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Auger Gerard
Bacelon Olivier
Michel Claude
Issing Gregory C.
Thomas - CSF
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