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公开(公告)号：US5617402A
公开(公告)日：1997-04-01
申请号：US323504
申请日：1994-10-14
CPC分类号： G11B7/08582 , G11B7/093 , G11B7/0932 , G11B7/0935
摘要： The present invention relates to various improvements to a device for access and tracking to a track carried by an information medium, the information being readable and/or recordable optically by a focused radiation, this track forming, on the medium, regularly-spaced or variably spaced revolutions, the revolutions forming a spiral or having the form of concentric circular elements, the device comprising an optical head (1) with optical axis A orthogonal to the plane of the medium, a fixed magnetic circuit comprising at least one core (7) secant to the set of revolutions of the track, in the gap of which two coils (14, 15) move permitting respectively track access and radial tracking to be achieved, as well as focusing of the radiation onto the track, the optical head and the two coils being fixed rigidly to one another in such a way as to form a single compact mobile unit.According to one improvement, the two coils (14, 15) are set in a symmetric arrangement, the desired movement being obtained by addition of forces (F, F') induced by the currents flowing in the coils.
摘要翻译： 本发明涉及用于访问和跟踪由信息介质承载的轨道的装置的各种改进，信息可通过聚焦辐射光学地读取和/或记录，该轨道在介质上形成规则间隔或可变的 所述转动形成螺旋形或具有同心圆形元件的形式，所述装置包括具有与介质平面正交的光轴A的光学头（1），包括至少一个芯（7）的固定磁路， 切割到轨道的一组转动，其中两个线圈（14,15）移动的间隙允许分别跟踪要实现的通道和径向跟踪，以及将辐射聚焦到轨道上，光学头和 两个线圈彼此刚性地固定，以便形成一个紧凑的移动单元。 根据一个改进，两个线圈（14,15）被设置为对称布置，期望的移动是通过加上由在线圈中流动的电流引起的力（F，F'）来获得的。
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公开(公告)号：US4182570A
公开(公告)日：1980-01-08
申请号：US924013
申请日：1978-07-11
摘要： A laser generator (1,2,3) is arranged to generate successive pairs of pulses. Two light receivers (10,11) in the vicinity of the laser generator receive echos of the pulses as reflected from a target and a processing circuit (15) calculates the component of wind speed blowing across the laser axis between the laser generator and the target. The device can be combined with laser ranging means and used for artillery control.
摘要翻译： 激光发生器（1,2,3）被布置成产生连续的脉冲对。 激光发生器附近的两个光接收器（10,11）接收从目标反射的脉冲的回波，并且处理电路（15）计算在激光发生器和目标之间穿过激光轴的风速分量 。 该装置可以与激光测距装置组合并用于火炮控制。
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公开(公告)号：US4099141A
公开(公告)日：1978-07-04
申请号：US667799
申请日：1976-03-17
申请人： Michele Leblanc , Guy Ripart , Albert Brule
发明人： Michele Leblanc , Guy Ripart , Albert Brule
CPC分类号： H01S3/08059 , H01S3/0816 , H01S3/0817 , H01S3/106
摘要： The invention relates to a laser generator. That generator comprises optical resonant cavity of the folded type, limited by two plane mirrors arranged in a same plane, side by side and a corner cube reflector for sending back the radiation coming from one of the said mirrors towards the other mirror. Application to telemeters and to illuminators.
摘要翻译： 本发明涉及一种激光发生器。 该发生器包括折叠型的光学谐振腔，由并排布置在同一平面中的两个平面镜限定，并且用于将来自所述反射镜中的一个的辐射发射回另一镜的角立方反射器。 应用于遥测仪和照明器。
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公开(公告)号：US4213700A
公开(公告)日：1980-07-22
申请号：US971903
申请日：1978-12-19
申请人： Michele Leblanc
发明人： Michele Leblanc
摘要： A fire control device for sighting a gun by introducing, between the axis of the gun and the direction of the target, an angular shift based on the trajectory of the ammunition, the device comprises a sighting telescope in which an image of fire crosswires defining a line of collimation are visible and means for moving the fire crosswires in dependance on a signal from a rangefinder of the laser type which includes a first collimator comprising an objective and crosswires for sighting the rangefinder and an image of which can be seen in the telescope, and a second collimator for shifting the line of collimation which comprises an objective and the fire crosswires which are placed at the focal point of the objective, the second collimator being associated with an optical reflecting element for reflecting the image of the fire crosswires into the telescope and the two collimators are arranged so that the image of the sighting crosswires passes through the optical reflecting element and is reflected by the fire crosswires towards the optical reflecting element, the fire crosswires being provided with a reflecting face for this purpose.
摘要翻译： 一种消防控制装置，用于通过在枪的轴线和靶的方向之间引入基于弹药的轨迹的角位移来观察枪，该装置包括瞄准望远镜，其中火交叉的图像定义为 准直线是可见的，并且用于根据来自激光器类型的测距仪的信号来移动火线交叉线的装置，该信号包括包括用于瞄准测距仪的第一准直仪和用于瞄准测距仪的第一准直器，并且在望远镜中可以看到它的图像， 以及用于移动准直线的第二准直器，其包括放置在物镜的焦点处的物镜和火线，第二准直器与用于将火线的图像反射到望远镜中的光学反射元件相关联 并且两个准直器被布置成使得瞄准线的图像通过光学反射元件，并且i 被火线交叉线反射到光学反射元件，为此，为防火线提供反射面。
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