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    • 73. 发明授权
    • Projectile detection
    • 射弹检测
    • US5462283A
    • 1995-10-31
    • US382041
    • 1995-02-10
    • John Allen
    • John Allen
    • F41J3/00F41J5/04F41J5/052
    • F41J5/052F41J3/00F41J5/04
    • A dart target includes a plurality of electrically conductive scoring beds. An aerial is spaced from the beds by a separation of the order of magnitude of the size of the target. A transmitter and receiver are connected to the aerial and beds. When an electrically conductive dart is imbedded in one of the beds it receives a signal from the aerial which enables determination of which bed the dart is imbedded in. The spacing of the aerial results in more or less uniform signal strength at the dart regardless of its location in the target.
    • PCT No.PCT / GB93 / 01671 Sec。 371日期1995年2月10日 102(e)日期1995年2月10日PCT提交1993年8月6日PCT公布。 出版物WO94 / 04883 日期:1994年3月3日。飞镖靶包括多个导电刻痕床。 天线与目标物体大小的数量级间隔开。 发射机和接收机连接到天线和床。 当导电飞镖嵌入在其中一个床中时,它接收到来自天线的信号,其能够确定飞镖嵌入的床。天线的间距导致飞镖或多或少均匀的信号强度,而不管其是否 目标位置。
    • 76. 发明授权
    • Inductive connectors
    • 感应连接器
    • US4538863A
    • 1985-09-03
    • US408671
    • 1982-08-13
    • John AllenDavid Pearce
    • John AllenDavid Pearce
    • H01F19/00H01F38/14H01R11/30
    • H01F19/00H01F38/14
    • A make and break inductive connector for transferring electrical energy, e.g. under water, by transformer action comprising two separable body parts (11) having mateable end faces (13). Each part has a cavity (15) extending into it from its end face and a magnetic pot core half (17) housed in the cavity so that the end of the pot core half is flush with the body part end face. Within an annular cavity (23) of each core half there is housed a toroidal electrical winding (25) and potting compound occupies the otherwise free space of the body part cavity, including the cavity in the pot core half, so as to enclose the winding completely and preclude direct contact between the winding and the pot core half.
    • 用于传送电能的制造和断开感应连接器,例如 在水下,通过包括具有可配对端面(13)的两个可分离主体部分(11)的变压器动作。 每个部分具有从其端面延伸到其中的空腔(15)和容纳在空腔中的磁性罐芯半部(17),使得罐芯半部的端部与主体部分端面齐平。 在每个芯半部的环形空腔(23)内容纳有环形电绕组(25),并且灌封化合物占据主体部分空腔的另外的自由空间,包括在罐芯半部中的空腔,以便包围绕组 完全排除绕组和锅芯半部之间的直接接触。
    • 80. 发明授权
    • Radiotherapy and imaging apparatus
    • 放射治疗和成像设备
    • US09480858B2
    • 2016-11-01
    • US13035364
    • 2011-02-25
    • John AllenKevin John Brown
    • John AllenKevin John Brown
    • G21K1/02A61N5/10G01R33/48
    • A61N5/1049A61N5/1042A61N5/1045A61N5/1048A61N5/1071A61N5/1081A61N2005/1054A61N2005/1055G01R33/4808
    • A radiotherapy system comprises a patient support, moveable along a translation axis, an imaging apparatus, comprising a first magnetic coil and a second magnetic coil, the first and second magnetic coils having a common central axis parallel to the translation axis, and being displaced from one another along the central axis to form a gap therebetween, the imaging apparatus being configured to obtain an image of a patient on the patient support, a source of radiation mounted on a chassis, the chassis being rotatable about the central axis and the source being adapted to emit a beam of radiation through the gap along a beam axis that intersects with the central axis, a multi-leaf collimator comprising a plurality of elongate leaves movable between at least a withdrawn position in which the leaf lies outside the beam, and an extended position in which the leaf projects across the beam, and a radiation detector mounted to the chassis opposite the source, the radiation detector having a plurality of detector elements aligned with the elongate leaves when projected onto an isocentric plane.
    • 放射治疗系统包括可沿着平移轴线移动的患者支架,包括第一电磁线圈和第二电磁线圈的成像装置,所述第一和第二磁线圈具有平行于所述平移轴的公共中心轴线, 另一个沿着中心轴线在其间形成间隙,成像装置被配置为获得病人支撑物上的患者的图像,安装在底盘上的辐射源,底盘可围绕中心轴线旋转, 适于沿着与所述中心轴相交的束轴发射通过所述间隙的辐射束;多叶准直器,包括多个细长叶片,所述多叶片准直器至少在所述叶片位于所述梁的外部的撤回位置之间移动, 延伸位置,其中叶片跨过梁进行突出,以及辐射检测器,安装到底盘与源相对,辐射探测器具有ap 当投影到等中心平面上时,检测器元件与细长叶片对准的灵敏度。