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    • 6. 发明申请
    • VIBRATION REDUCTION
    • 降低振动
    • WO1994004844A1
    • 1994-03-03
    • PCT/GB1993001673
    • 1993-08-06
    • THE SECRETARY OF STATE FOR DEFENCE IN HER ...LEUNG, Rinnie, ChiHARPER, Mark, Francis, Lucien
    • THE SECRETARY OF STATE FOR DEFENCE IN HER ...
    • F16F15/00
    • B64G1/38F16F15/02F16F2224/0258F16L55/041
    • A cross axis actuator (1.1) for reducing the transmission of vibration along elongate members (1.2) comprising a series of windings (1.5, 1.6, 1.7, 1.8, 1.9, 1.10) wound helically at 30 pitch around the member (1.2) along part of its length in clockwise and anti-clockwise fashion and are anchored at two or more points (1.3, 1.4) to the member (1.2), the windings (1.5, 1.6, 1.7, 1.8, 1.9, 1.10) being able to be subjected to strain which causes deformation of the member (1.2) between attachment points (1.3, 1.4). The member (1.2) can be either a steel pipe or a rod. The windings (1.5, 1.6, 1.7, 1.8, 1.9, 1.10) can either be in the form of steel wires or be strips of material. The numbers of windings (1.5, 1.6, 1.7, 1.8, 1.9, 1.10) wound around the member (1.2) in a clockwise and anti-clockwise direction should be equal. Ideally, the windings (1.5, 1.6, 1.7, 1.8, 1.9, 1.10) are attached to the member (2) on a continuous basis except for the ends which are left free. The strain is generated from actuators, preferably made from piezo electric materials, which can either be attached to the ends of the windings (1.5, 1.6, 1.7, 1.8, 1.9, 1.10) or form part of the windings (1.5, 1.6, 1.7, 1.8, 1.9, 1.10). The actuators can be controlled by control signals which are calculated by a control unit based on signals produced by vibration sensors (1.13, 1.14). Ideally, part of the member (1.2) is formed to produce an impedance mismatch with the rest of the member (1.2). This can be achieved by having a flexible section (1.2a) within the member (1.2). The windings (1.5, 1.6, 1.7, 1.8, 1.9, 1.10) are usually attached across this section (1.2a).
    • 一种横轴致动器(1.1),用于减小沿着细长构件(1.2)的振动传播,包括沿着部件(1.2)以部件(1.2)螺旋形地绕30度的一系列绕组(1.5,1.6,1.7,1.8,1.9,1.10) 其长度为顺时针和逆时针方式,并且在两个或更多点(1.3,1.4)锚固到构件(1.2),绕组(1.5,1.6,1.7,1.8,1.9,1.10)能够承受 以引起连接点(1.3,1.4)之间的构件(1.2)变形的应变。 构件(1.2)可以是钢管或杆。 绕组(1.5,1.6,1.7,1.8,1.9,1.10)可以是钢丝的形式,也可以是材料条。 在顺时针和逆时针方向缠绕在构件(1.2)上的绕组数(1.5,1.6,1.7,1.8,1.9,1.10)应当相等。 理想的情况是绕组(1.5,1.6,1.7,1.8,1.9,1.10)连续地连接到构件(2)上,除了剩余的端部。 该应变由优选由压电材料制成的致动器产生,其可以附接到绕组的端部(1.5,1.6,1.7,1.8,1.9,1.10)或形成绕组的一部分(1.5,1.6,1.7 ,1.8,1.9,1.10)。 执行器可以由控制单元根据由振动传感器(1.13,1.14)产生的信号计算出的控制信号进行控制。 理想地,构件(1.2)的一部分被形成以产生与构件(1.2)的其余部分的阻抗失配。 这可以通过在构件(1.2)内具有柔性部分(1.2a)来实现。 绕组(1.5,1.6,1.7,1.8,1.9,1.10)通常连接在该部分(1.2a)上。
    • 7. 发明申请
    • WAVEGUIDE STAR COUPLER USING MULTIMODE INTERFERENCE
    • 波形星形耦合器使用多模式干扰
    • WO1993025923A1
    • 1993-12-23
    • PCT/GB1993001005
    • 1993-05-17
    • THE SECRETARY OF STATE FOR DEFENCE IN HER ...JENKINS, Richard, Michael
    • THE SECRETARY OF STATE FOR DEFENCE IN HER ...
    • G02B06/12
    • G02B6/2817G02B6/2813
    • A radiation coupling device (10) incorporates a rectangular multimode beamsplitter waveguide (20) connected at one end to a set of input waveguides (18). The input waveguides (18) have inserted within them respective fibre optic waveguides (22). The input waveguides (18) are connected at periodic positions across the beamsplitter waveguide's transverse cross section. The beamsplitter waveguide (20) is also connected at its other end to retroreflecting mirror (24). Radiation propagating in fundamental mode in any one of the input waveguides (18) passes along the beamsplitter waveguide (20) and is retroreflected at the mirror (24). On return, it becomes divided between the input waveguides (18) by virtue of modal dispersion (multimode interference) in the beamsplitter waveguide (20). The device (10) therefore acts as a star coupler.
    • 辐射耦合装置(10)包括在一端连接到一组输入波导(18)的矩形多模分束器波导(20)。 输入波导(18)在其内插入相应的光纤波导(22)。 输入波导(18)在分束器波导的横截面上的周期性位置连接。 分束器波导(20)的另一端也连接到回射反射镜(24)。 在任何一个输入波导(18)中以基本模式传播的辐射沿分束器波导(20)通过并在反射镜(24)处回射。 在返回时,它通过分束器波导(20)中的模式色散(多模干扰)在输入波导(18)之间分割。 因此,装置(10)用作星形耦合器。
    • 8. 发明申请
    • A DIGITAL BEAMFORMING ARRAY
    • 数字波束形成阵列
    • WO1993012440A1
    • 1993-06-24
    • PCT/GB1992002317
    • 1992-12-14
    • THE SECRETARY OF STATE FOR DEFENCE IN HER ...DEAN, Michael
    • THE SECRETARY OF STATE FOR DEFENCE IN HER ...
    • G01S13/87
    • H01Q3/26G01S13/48G01S13/87
    • A digital beamforming array for use in radar applications and particularly in radar applications that used phased array technology. The array receives an incoming signal at a plurality of sensor modules, converts them to intermediate frequency, and then converts the intermediate frequency signals to n-bit (preferably 1-bit) digital signals at an oversampling rate, where n is less than the number of bits required to represent the dynamic range of the intermediate frequency signal. The n-bit digital signals are then beamformed by altering their relative phases and combining them to form a resultant n-bit digital signal which is then converted to a digital signal of the number of bits required to represent the dynamic range of the intermediate frequency signal. An advantage of the present invention is that it reduces the complexity and thus the cost of the digitising hardware required.
    • 用于雷达应用的数字波束成形阵列,特别是在使用相控阵技术的雷达应用中。 阵列在多个传感器模块处接收输入信号,将其转换为中频,然后以过采样率将中频信号转换为n位(优选1位)数字信号,其中n小于数字 表示中频信号的动态范围所需的位。 然后通过改变它们的相对相位来对n位数字信号进行波束形成,并将其组合以形成合成的n位数字信号,然后将其转换为表示中频信号的动态范围所需的位数的数字信号 。 本发明的优点在于它降低了所需的数字化硬件的复杂度并因此降低了其成本。
    • 9. 发明申请
    • HAND-HELD SUPPORT FOR A SIGHTING MEANS
    • 手持支持手段
    • WO1993010390A1
    • 1993-05-27
    • PCT/GB1992002100
    • 1992-11-13
    • THE SECRETARY OF STATE FOR DEFENCE IN HER ...McGILL, Keith, Robert
    • THE SECRETARY OF STATE FOR DEFENCE IN HER ...
    • F16M13/04
    • G02B23/16F16M11/22F16M13/00F16M13/04
    • A hand-held support for a sighting means comprising a mounting means (2), a pair of handles (4) which extend in a downwards direction from the mounting means (2) and a restraining means (12) which extends rearwardly from the mounting means (2) and which is adapted in use to extend about the upper part of a user's body. The sighting means (6) is rigidly mounted on the mounting means (2). To use the support, a user lifts the handles (4) forwards and upwards, the restraining means (12) restrains the mounting means (2) from forward motion and the support pivots about the point of contact between the restraining means (12) and the user to urge an eyepiece (10) of the sighting means (6) against the user's eye. In a preferred embodiment there are articulations (14) between the mounting means (2) and the restraining means (12) such that the support also pivots about an axis passing through the articulations (14) to urge the eyepiece (10) against a user's eye.
    • 一种用于瞄准装置的手持支撑件,包括安装装置(2),从安装装置(2)沿向下方向延伸的一对手柄(4)和从安装件向后延伸的约束装置(12) 装置(2),其适用于使用者的身体上部延伸。 瞄准装置(6)刚性地安装在安装装置(2)上。 为了使用支撑件,使用者向前和向上提起手柄(4),限制装置(12)限制安装装置(2)向前运动,并且支撑件围绕约束装置(12)和 用户将瞄准装置(6)的目镜(10)推向使用者的眼睛。 在优选实施例中,在安装装置(2)和约束装置(12)之间具有铰接件(14),使得支撑件还围绕穿过铰接件(14)的轴线枢转,以将目镜(10)推向使用者 眼。
    • 10. 发明申请
    • APPARATUS FOR LAUNCHING INFLATABLE FASCINES
    • 发射充气装置的装置
    • WO1993006305A1
    • 1993-04-01
    • PCT/GB1992001642
    • 1992-09-09
    • THE SECRETARY OF STATE FOR DEFENCE IN HER ...CONNOR, Richard, Charles
    • THE SECRETARY OF STATE FOR DEFENCE IN HER ...
    • E01C19/52
    • E01C9/08E01C19/522
    • Apparatus for launching inflatable fascines comprising a conveyor system to which uninflated fascines are attachable for delivery to a launching region and means to effect inflation and launch of the fascines. The conveyer (2) comprises a number of rigid conveyor members (12) each of which constitutes a fascine support location. At each of these locations a packaged fascine (24), comprising a deflated fascine (23) housed between a backing plate (25) and a frangible or hingeable containment member (26), is attachable. The packaged fascines (24) may also contain a reservoir of pressurised gas (32) for inflation purposes. The conveyer (2) is connected via drive wheels (9) to a motor (6), thus providing a means of delivering the packaged fascines (24) sequentially to a fascine lauching region (14).
    • 用于发射充气幻影的装置,包括输送机系统,未充气的辉石可以附着到输送到发射区域的装置和用于实现通气和发射的迷幻剂的装置。 输送机(2)包括多个刚性输送机构件(12),每个刚性输送机构件构成一个花键支撑位置。 在这些位置的每个位置处,包括容纳在背板(25)和易碎或可铰接的容纳构件(26)之间的放气的菲斯(23)的包装的菲斯克(24)可附接。 包装的辉石(24)还可以包含用于充气目的的加压气体储存器(32)。 输送机(2)通过驱动轮(9)连接到马达(6)上,从而提供一种将包装的马斯克(24)依次传送到一个柔和的拉伸区域(14)的装置。