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1. 发明授权

US5457641A Method and apparatus for determining an orientation associated with a mobile system, especially a line of sight inside a helmet visor 失效
标题翻译：用于确定头盔面罩内的视线的过程和装置
公开(公告)号：US5457641A
公开(公告)日：1995-10-10
申请号：US311435
申请日：1994-09-26
申请人： Pierre Zimmer , Alain Cordonnier
发明人： Pierre Zimmer , Alain Cordonnier
IPC分类号： G01B7/004
CPC分类号： G01B7/004
摘要： A method for determining a line of sight from a visor borne by a helmet fitted with a pick-up with three magnetic orthogonal coils, in relation to a mark affixed to an aircraft concretized by an emitter with three magnetic orthogonal coils, consists of initially setting up a magnetic cartography of the piloting cabin: to this end sets of measurements of fields picked up by the pick-up from fields emitted in succession by the three coils of the emitter, for different known positions and orientations of the pick-up inside the cabin, are established then entered in memory. Then the method consists of setting up, based on those measurements, a magnetic modeling of the piloting cabin. In flight, the measurement matrix, associated with a cycle of emission from the emitter, triggered when the pilot validates a line of sight in a given direction in relation to his helmet, makes it possible by using the preliminary modeling to compute accurately the orientation of that line of sight inside the mark of the aircraft.
摘要翻译：一种用于由安装有具有三个磁性正交线圈的拾取器的头盔的护目镜确定视线的方法，相对于由具有三个磁性正交线圈的发射器具体化的飞机的标记，包括初始设置引导驾驶舱的磁性制图：为此，由发射器的三个线圈连续发射的场中的拾波器拾取的场的测量集合，用于不同的已知位置和位置内的拾音器的取向客舱，建立然后进入记忆。然后，该方法包括根据这些测量建立驾驶舱的磁性建模。在飞行中，当飞行员相对于其头盔在给定方向上验证视线时，触发了与发射器的发射周期相关联的测量矩阵，使得可以通过使用初步建模来准确地计算方位这条视线在飞机的标记之内。

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