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| Number | Title | Issue Date |
| 5086828 | Lunar radiator shade An apparatus for rejecting waste heat from a system located on or near the lunar equator which utilizes a reflective catenary shaped trough deployed about a vertical radiator to shade the radiator from heat (i.e., infrared radiation) emitted by the hot lu... | 02/11/1992 |
| 5083378 | Two dimensional vernier A two-dimension vernier scale utilizing a cartesian grid on one plate member with a polar grid on an overlying transparent plate member. The polar grid has multiple concentric circles at a fractional spacing of the spacing of the cartesian grid lines. By ... | 01/28/1992 |
| 4991799 | Orbital debris sweeper and method An orbital debris sweeper is provided for removing particles from orbit which otherwise may impact and damage an orbiting spacecraft. The debris sweeper includes a central sweeper core which carries a debris monitoring unit, and a plurality of large area ... | 02/12/1991 |
| 4989497 | Flexible diaphragm-extreme temperature usage A diaphragm (10) suitable for extreme temperature usage, such as encountered in critical aerospace applications, is fabricated by a unique method, and of a unique combination of materials, which include multi-layered lay-ups of diaphragm materials (20a, 2... | 02/05/1991 |
| 4980626 | Method and apparatus for positioning a robotic end effector A robotic end effector and operation protocol provide for a reliable grasp of a target object irrespective of the target's contours. A robotic hand 30 includes a plurality of jointed fingers 31-34, one of which, like a thumb 31, is in opposed relation to ... | 12/25/1990 |
| 4977395 | Vibration analyzer The invention relates to monitoring circuitry for the real time detection of vibrations of a predetermined frequency and which are greater than a predetermined magnitude. The circuitry produces an instability signal in response to such detection. The circ... | 12/11/1990 |
| 4974181 | Adaptive data acquisition multiplexing system and method An adaptive data acquisition multiplexing system having a monitor terminal and one or more remote terminals with a communication link between them. The remote terminals each include signal conditioning for a plurality of sensors. Upon commands from the mo... | 11/27/1990 |
| 4921292 | Magnetic attachment mechanism A magnetic attachment mechanism adapted for interfacing with the manipulator arm (11) of a remote manipulator system and comprising a pair of permanent magnets (31,32) of rare earth material which are arranged in a stator-rotor relationship. The rotor mag... | 05/01/1990 |
| 4920487 | Method of up-front load balancing for local memory parallel processors In a parallel processing computer system with multiple processing units and shared memory, a method is disclosed for uniformly balancing the aggregate computational load in, and utilizing a minimal memory by, a network having identical computations to be ... | 04/24/1990 |
| 4917173 | Monogroove liquid heat exchanger A liquid supply control is disclosed for a heat transfer system which transports heat by liquid-vapor phase change of a working fluid. An assembly (10) of monogroove heat pipe legs (15) can be operated automatically as either heat acquisition devices or h... | 04/17/1990 |
| 4893470 | Method of hybrid plume plasma propulsion A technique for producing thrust by generating a hybrid plume plasma exhaust is disclosed. A plasma flow is generated and introduced into a nozzle which features one or more inlets positioned to direct a flow of neutral gas about the interior of the nozzl... | 01/16/1990 |
| 4890918 | Docking alignment system Improved techniques are provided for alignment of two objects. The present invention is particularly suited for three-dimensional translation and three-dimensional rotational alignment of objects in outer space. A camera 18 is fixedly mounted to one objec... | 01/02/1990 |
