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    • 1. 发明授权
    • Simplified spacecraft antenna reflector for stowage in confined envelopes
    • 简化的航天器天线反射器,用于存放在封闭的信封中
    • US5574472A
    • 1996-11-12
    • US491331
    • 1995-06-30
    • Stephen A. Robinson
    • Stephen A. Robinson
    • H01Q1/08B64G1/22H01Q1/28H01Q15/16H01Q15/20
    • H01Q15/161B64G1/22Y10S343/02Y10T29/49016
    • A method for stowing a unitary flexible antenna reflector 10 in a confining envelope and deploying the reflector from the envelope. In a most general sense, the invention includes the steps of: a) applying a deforming force to diametrically opposed positions 16 and 18 near an edge of the reflector 10 to place the reflector in a deformed state; b) maintaining the reflector 10 in the deformed state until deployment; and c) releasing the reflector 10 from the deformed state. In a specific embodiment, the step of maintaining the reflector 10 in a deformed state includes the step of attaching a restraining element between the diametrically opposed positions on the edge of the reflector which is released on deployment.
    • 将一个单一的柔性天线反射器10收纳在限制的信封中并从信封部署反射器的方法。 在最普遍的意义上,本发明包括以下步骤:a)在反射器10的边缘附近对径向相对的位置16和18施加变形力,以将反射器置于变形状态; b)将反射器10保持在变形状态直到展开; 以及c)将反射器10从变形状态释放。 在具体实施例中,将反射器10维持在变形状态的步骤包括将约束元件附接在在展开时释放的反射器的边缘上的直径相对的位置之间的步骤。
    • 3. 发明授权
    • Method and apparatus for zooming and reconfiguring circular beams for satellite communications
    • 用于缩放和重新配置用于卫星通信的圆形波束的方法和装置
    • US06577282B1
    • 2003-06-10
    • US09619042
    • 2000-07-19
    • Sudhakar K. RaoChih-Chien HsuGeorge VoulelikasStephen A. Robinson
    • Sudhakar K. RaoChih-Chien HsuGeorge VoulelikasStephen A. Robinson
    • H01Q1300
    • H01Q19/19H01Q1/288H01Q3/18
    • A method and system for reconfiguring an antenna system are disclosed. The system comprises a feed horn, a subreflector, and a main reflector. The feed horn is pointed at an axis removed from the bisector axis of the subreflector. The distance between the feed horn and the subreflector can be changed to defocus the feed horn with respect to the subreflector, wherein a size of the outgoing beam emanating from the main reflector changes when the distance between the feed horn and the subreflector is changed. The method comprises pointing an axis of a feed horn at a subreflector, wherein the axis of the feed horn is aligned differently from the bisector axis of the subreflector, and changing the distance between the feed horn and the subreflector to defocus the feed horn with respect to the subreflector, wherein a size of an outgoing beam emanating from a main reflector changes when the distance between the feed horn and the subreflector is changed.
    • 公开了一种用于重新配置天线系统的方法和系统。 该系统包括馈电喇叭,副反射器和主反射器。 馈电喇叭指向从子反射器的平分线轴线移除的轴线。 可以改变馈电喇叭和副反射器之间的距离,使馈电喇叭相对于副反射器散焦,其中当主反射器发射的输出光束的尺寸在馈电喇叭和副反射器之间的距离改变时改变。 该方法包括将馈电喇叭的轴线指向副反射器,其中馈电喇叭的轴线与子反射器的等分线轴线不对准地对准,并且改变馈电喇叭和副反射器之间的距离以使馈电喇叭相对于 到子反射器,其中当主反射器发射的输出光束的尺寸在馈电喇叭和副反射器之间的距离改变时改变。
    • 5. 发明授权
    • Rigid solar panel with discrete lattice and carrier structures bonded
together
    • 具有离散晶格和载体结构的刚性太阳能电池板结合在一起
    • US5614033A
    • 1997-03-25
    • US512727
    • 1995-08-08
    • Stephen A. RobinsonStanley J. Krause
    • Stephen A. RobinsonStanley J. Krause
    • B64G1/50H01L31/048H01L31/052
    • H01L31/048B64G1/50H01L31/052H02S20/00H02S20/30H02S40/42Y02E10/50Y10T428/236
    • Discrete carrier and lattice structures are bonded together to form a lightweight rigid solar panel. The carrier includes a pair of electrically inert face sheets bonded on opposite sides of a thin thermoconductive honeycomb core. The face sheets provide an electrically inert surface for receiving a solar cell array and the honeycomb core forms a heat sink for conducting heat away from the solar cell array. The lattice includes a pair of patterned face sheets having a high elastic modulus bonded on opposite sides of a lattice base. The patterned face sheets provide axial stiffness and the lattice base separates them to provide bending stiffness. By splitting the solar panel into discrete carrier and lattice components, the present invention reduces the weight of existing solar panels by approximately 40% and increases power efficiency by approximately 10%.
    • 离散载体和晶格结构结合在一起形成轻量级的刚性太阳能电池板。 载体包括结合在薄导热蜂窝芯的相对侧上的一对电惰性面片。 面板提供用于接收太阳能电池阵列的电惰性表面,并且蜂窝芯形成用于将热量从太阳能电池阵列传导出来的散热器。 格子包括一对具有高的弹性模量的图案化的面片,其结合在晶格基底的相对两侧。 图案化的面板提供轴向刚度,并且格子基座将它们分开以提供弯曲刚度。 通过将太阳能电池板分成离散的载体和晶格部件,本发明将现有太阳能电池板的重量减少大约40%,并将电力效率提高约10%。
    • 6. 发明授权
    • Satellite deployment system with remotely controlled relocking capability
    • 卫星部署系统具有远程控制的重新锁定功能
    • US4300737A
    • 1981-11-17
    • US142483
    • 1980-04-21
    • Allan B. ByrneRichard G. OtisStephen A. Robinson
    • Allan B. ByrneRichard G. OtisStephen A. Robinson
    • B64G1/64B64G1/00B64D9/00
    • B64G1/645B64G1/641Y10T403/32565Y10T403/581Y10T403/598
    • A spacecraft specifically adapted for launch from the space shuttle by means of a cradle having locking and ejection mechanisms mounted therein. The cradle fastens into the payload bay of the space shuttle and returns therewith for reuse in subsequent launches. The spacecraft mounts at three points to the cradle, and the cradle mounts at three points to the shuttle such that a plane through the attachment points passes through the roll axis of the spacecraft at approximately the center of mass thereof. The cradle utilizes the truss structure of the spacecraft to produce the required stiffness by providing a structural tie between the two ends and the bottom of the cradle. At launch, the spacecraft is ejected with both linear and angular momentum, the spin providing gyroscopic stability. The locking mechanisms in the cradle can be remotely controlled to relock the spacecraft to the cradle in the event of an unsuccessful deployment attempt. The spacecraft includes a safety circuit employing acceleration sensing switches which sense spin-up of the spacecraft and prevent premature ignition of the perigee boost motor. The spacecraft has imbedded within its envelope a solid-propellant perigee boost motor surrounded by a liquid-propellant apogee motor. By employing apogee and perigee propulsion stages internal to the spacecraft, the storage length in the space shuttle is minimized, and the geometry and mass characteristics of the spacecraft make for a stable spinning vehicle during both the perigee and apogee boost phases.
    • 专用于通过其中安装有锁定和弹出机构的支架从航天飞机发射的航天器。 托架紧固到航天飞机的有效载荷舱中,并随之返回,以便在随后的发射中重新使用。 航天器在三点安装在支架上,托架在三点安装在梭子上,使得穿过连接点的平面大致在其中心附近穿过航天器的滚轴。 摇篮利用航天器的桁架结构,通过在支架的两端和底部之间提供结构连接来产生所需的刚度。 在发射时,航天器以线性和角动量喷射,旋转提供陀螺稳定性。 在不成功的部署尝试的情况下,托架中的锁定机构可以被远程控制以将航天器重新锁定到支架上。 航天器包括一个采用加速度传感开关的安全电路,该开关感测到航天器的旋转并防止近地点升压马达的过早点火。 航天器在其信封内嵌入了由液体推进剂远地度电机包围的固体推进剂近地点升压电机。 通过在航天器内部采用远地点和近地点推进阶段,航天飞机的存储长度最小化,并且在近地点和远地点升压阶段期间,航天器的几何形状和质量特性为稳定的纺纱车辆。