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1. 发明授权

US4350881A Projectile position detection apparatus 失效
标题翻译：射弹位置检测仪
公开(公告)号：US4350881A
公开(公告)日：1982-09-21
申请号：US110492
申请日：1980-01-08
申请人： Lindsay C. Knight , Robert B. Phillips , William H. Bowyer , Bruce Moxley
发明人： Lindsay C. Knight , Robert B. Phillips , William H. Bowyer , Bruce Moxley
IPC分类号： F41J5/06 , G06F15/20 , F41J5/12
CPC分类号： F41J5/06 , F41J5/044 , Y10S367/906
摘要： Disclosed is an apparatus for indicating the location in a measurement plane through which a projectile passes. The apparatus includes an array of at least three transducers responsive to the airborne pressure wave produced by the projectile and positioned at predetermined locations along a line parallel to the movement plane. The apparatus further includes a device for measuring the velocity of the projectile and another for measuring the velocity of sound in air in the vicinity of the transducers. A computing means, responsive to the array of transducers, the velocity measuring means and the propagation of sound determination is provided which determines the location in the measurement plane through which the projectile passed and provides an output indicating that location. Also disclosed is a means, in combination with the position detecting means, for detecting and providing a positive indication of a projectile hit on a target member.
摘要翻译：公开了一种用于指示射弹通过的测量平面中的位置的装置。该装置包括响应于由弹丸产生的空气传播压力波并且沿着平行于移动平面的线定位在预定位置的至少三个换能器的阵列。该装置还包括用于测量射弹速度的装置和用于测量换能器附近的空气中的声速的装置。提供了响应于换能器阵列的计算装置，速度测量装置和声音确定的传播确定了射弹通过的测量平面中的位置，并提供了指示该位置的输出。还公开了一种与位置检测装置组合的装置，用于检测并提供对目标构件上的射弹撞击的肯定指示。

2. 发明授权

US4349728A Target apparatus 失效
标题翻译：目标装置
公开(公告)号：US4349728A
公开(公告)日：1982-09-14
申请号：US101191
申请日：1979-12-07
申请人： Robert B. Phillips , William H. Bowyer , Bruce Moxley
发明人： Robert B. Phillips , William H. Bowyer , Bruce Moxley
IPC分类号： B06B1/06 , F41J5/06 , G01S5/22 , G06F15/20 , F41J5/12
CPC分类号： G01S5/22 , B06B1/0681 , F41J5/06 , Y10S367/906
摘要： A target apparatus, having a framework covered by sheets of material to form a chamber the sheets of material being penetrable by a projectile, such as a bullet, fired at the target. A plurality of transducers are positioned at respective spaced-apart locations within the chamber and lying on an arc of a circle, for detecting shock or pressure waves in the chamber caused upon penetration of the sheets of material by the projectile. Time differences between instants of detection of a shock or pressure wave by the transducers are measured, the location at which the projectile penetrated the sheet of material being determined from the time differences. Preferably, a bull's-eye or aiming mark is provided on the target, the center of which is aligned with the center of the circle on which the transducers lie. Apparatus is also disclosed for determining the speed of sound in air within the chamber, enabling the projectile penetration point to be determined with particular accuracy.
摘要翻译：一种目标装置，其具有由片材材料覆盖以形成室的框架，所述材料片可以被诸如子弹的射弹穿透，在目标处被击发。多个换能器被定位在腔室内相应的间隔开的位置并且位于圆弧上，用于检测由弹丸穿过材料片时引起的室内的冲击波或压力波。测量通过换能器检测冲击波或压力波的时刻之间的时间差，射弹穿透材料片的位置由时间差确定。优选地，在目标上设置公牛眼或瞄准标记，其中心与换能器所在的圆的中心对准。还公开了用于确定室内的空气中的声速的装置，使得能够以特别的精度来确定射弹穿透点。

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