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| Number | Title | Issue Date |
| 5113064 | Method and apparatus for phasing segmented mirror arrays A method and apparatus are disclosed for edge phasing an array of segments in a segmented primary telescope mirror using white light from a far field source and starting with the inner edge of each segment in the first ring of segments. The segments are i... | 05/12/1992 |
| 5110694 | Secondary Li battery incorporating 12-Crown-4 ether The conductivity is increased an order of magnitude and interfacial charge transfer resistance is substantially decreased by incorporating a minor amount of 12-Crown-4 ether in a polyethylene oxide-lithium salt solid electrolyte film.... | 05/05/1992 |
| 5109425 | Method and apparatus for predicting the direction of movement in machine vision A computer-simulated cortical network computes the visibility of shifts in the direction of movement and computes: 1) the magnitude of the position difference between the test and background patterns, 2) localized contrast differences at different spatial... | 04/28/1992 |
| 5100694 | Method for producing edge geometry superconducting tunnel junctions utilizing an NbN/MgO/NbN thin film structure Disclosed is a method for fabricating an edge geometry superconducting tunnel junction device comprising two niobium nitride superconducting electrodes (14,28) and a magnesium oxide tunnel barrier (24) sandwiched between the two electrodes. The NbN electr... | 03/31/1992 |
| 5099294 | Edge geometry superconducting tunnel junctions utilizing an NbN/MgO/NbN thin film structure An edge defined geometry is used to produce very small area tunnel junctions (30) in a structure with niobium nitride superconducting electrodes (14, 28) and a magnesium oxide tunnel barrier (24). The incorporation of an MgO tunnel barrier with two NbN el... | 03/24/1992 |
| 5094974 | Growth of III-V films by control of MBE growth front stoichiometry For the growth of strain-layer materials and high quality single and multiple quantum wells, the instantaneous control of growth front stoichiometry is critical. The process of the invention adjusts the offset or phase of MBE control shutters to program t... | 03/10/1992 |
| 5092956 | Device for mechanically stabilizing web ribbon buttons during growth initiation The invention relates to a stabilization device for stabilizing dendritic web seed buttons during initiation of crystal growth from a float zone melt. The invention includes angular maintenance means for maintaining a constant angular orientation between ... | 03/03/1992 |
| 5091335 | MBE growth technology for high quality strained III-V layers III-V films are grown on large automatically perfect terraces of III-V substrates which have a different lattice constant, with temperature and Group II and V arrival rates chosen to give a Group III element stable surface. The growth is pulsed to inhibit... | 02/25/1992 |
| 5086400 | Bilevel shared control for teleoperators A shared system for robot control including integration of the human and autonomous input modalities for an improved control. Autonomously planned motion trajectories are modified by a teleoperator to track unmodelled target motions, while nominal teleoperator... | 02/04/1992 |
| 5084645 | Electrorepulsive actuator The invention is a linear actuator that operates under the principle that like charges repel and opposite charges attract. The linear actuator consists of first and second pairs of spaced opposed conductors where one member of each pair of conductors is a... | 01/28/1992 |
| 5080490 | Equal path, phase shifting, sample point interferometer for monitoring the configuration of surfaces A system for monitoring the configuration of a surface (e.g., a segmented parabolic surface) using orthogonally placed retroreflectors at sets of points A, B and C dispersed throughout the surface with a stationary halfwave plate HWP in the front of the o... | 01/14/1992 |
| 5080286 | Stable stream producing flexible orifice independent of fluid pressure A self-adjusting orifice for fluids nozzle includes a membrane constructed of a single piece of flexible or elastic material. This flexible material is shaped to fit into the outlet of a nozzle. The body of the membrane has at least two flow channels, fro... | 01/14/1992 |
| 5038089 | Synchronized computational architecture for generalized bilateral control of robot arms A master six-degree-freedom Force Reflecting Hand Controller ("FRHC") is available at a master site where a received image displays, in essentially real-time, a remote robotic manipulator which is being controlled in the corresponding six-degree-freedom b... | 08/06/1991 |
| 4999553 | Method and apparatus for configuration control of redundant robots A method and apparatus to control a robot or manipulator configuration over the entire motion based on augmentation of the manipulator forward kinematics. A set of kinematic functions is defined in Cartesian or joint space to reflect the desirable configu... | 03/12/1991 |
| 4990988 | Laterally stacked Schottky diodes for infrared sensor applications Laterally stacked Schottky diodes (25) for infrared sensor applications are fabricated utilizing porous silicon (10) having pores (12). A Schottky metal contact (24) is formed in the pores, such as by electroplating. The sensors may be integrated with sil... | 02/05/1991 |
| 4975672 | High power/high frequency inductor A toroidal core is mounted on an alignment disc having uniformly distributed circumferential notches or holes therein. Wire is then wound about the toroidal core in a uniform pattern defined by the notches or holes. Prior to winding, the wire may be place... | 12/04/1990 |
| 4975704 | Method for detecting surface motions and mapping small terrestrial or planetary surface deformations with synthetic aperture radar A technique based on synthetic aperture radar (SAR) interferometry is used to measure very small (1 cm or less) surface deformations with good resolution (10 m) over large areas (50 km). It can be used for accurate measurements of many geophysical phenome... | 12/04/1990 |
| 4973972 | Stripline feed for a microstrip array of patch elements with teardrop shaped probes A circularly polarized microstrip array antenna utilizing a honeycomb substrate made of dielectric material to support on one side the microstrip patch elements in an array, and on the other side a stripline circuit for feeding the patch elements in subar... | 11/27/1990 |
| 4974230 | Tm,Ho:YLF laser end-pumped by a semiconductor diode laser array A Ho:YLF crystal including Tm as sensitizers for the activator Ho, is optically pumped with a semiconductor diode laser array to generate 2.1 μm radiation with a pump power to output power of efficiency as high as 68%. The prior-art dual sensitizer syste... | 11/27/1990 |
| 4973840 | Apparatus and method for characterizing the transmission efficiency of a mass spectrometer An electron/ion coincidence technique is employed to characterize the absolute mass dependent transmission efficiency of mass spectrometers. The technique is not dependent upon the partial pressure of the sample beam or the ionization cross sections of ca... | 11/27/1990 |
| 4966823 | Organic cathode for a secondary battery A liquid catholyte for a battery based on liquid metal such as sodium anode and a solid, ceramic separator such as beta alumina (BASE) comprises a mixture of a Group I-III metal salt such as sodium tetrachloroaluminate and a minor amount of an organic car... | 10/30/1990 |
| 4964722 | Remote object configuration/orientation determination A method for determining the configuration and location of an object with respect to an X, Y, X coordinate frame. The exterior surface of the sobject is equipped with a plurality of retroreflector surfaces capable of reflecting range measuring laser beams... | 10/23/1990 |
| 4964303 | Acoustic positioning and orientation prediction A method for use with an acoustic positioner, which enables a determination of the equilibrium position and orientation which an object assumes in a zero gravity environment, as well as restoring forces and torques on the object, of an object of arbitrary... | 10/23/1990 |
| 4962330 | Acoustic transducer apparatus with reduced thermal conduction A horn is described for transmitting sound from a transducer to a heated chamber containing an object which is levitated by acoustic energy while it is heated to a molten state, which minimizes heat transfer to thereby minimize heating of the transducer, ... | 10/09/1990 |
| 4959656 | Efficient detection and signal parameter estimation with application to high dynamic GPS receiver In a system for deriving position, velocity, and acceleration information from a received signal emitted from an object to be tracked wherein the signal comprises a carrier signal phase modulated by unknown binary data and experiencing very high Doppler a... | 09/25/1990 |
| 4957012 | Predictive aging of polymers A method of predicting aging of polymers operates by heating a polymer in the outdoors to an elevated temperature until a change of property is induced. The test is conducted at a plurality of temperatures to establish a linear Arrhenius plot which is ext... | 09/18/1990 |
| 4952811 | Field induced gap infrared detector A tunable infrared detector employing a vanishing band gap semimetal material which is provided with an induced band gap by a magnetic field to allow intrinsic semiconductor type infrared detection capabilities. The semimetal material may thus operate as ... | 08/28/1990 |
