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| Number | Title | Issue Date |
| 7114384 | Acoustic adiabatic liquid quantity sensor An adiabatic liquid volume sensor system is described, which employs a main chamber in a back-to-back configuration with a reference chamber of known volume. The system measures liquid volume in the main chamber by making low frequency acoustic measurements of the a... | 10/03/2006 |
| 5553209 | Method for automatically displaying map symbols In a Geographic Information System, a computer retrieves records from a data base for each map feature that lies within the extent of the displayed portion of the map. The records for point features are organized in "flat" structures where each map featur... | 09/03/1996 |
| 5528554 | Linear array lateral motion compensation method A method for compensating for lateral distortion in a moving linear array using a frequency domain beamformer, comprising the steps of measuring the instantaneous lateral distortion of the linear array at discrete points along the array, corresponding to ... | 06/18/1996 |
| 5511218 | Connectionist architecture for weapons assignment A system (20) for producing an assignment of a plurality of entities (12) to a plurality of objects (16). This assignment is optimized subject to fixed constraints. The system (20) represents the assignment as a connectionist processing architecture havin... | 04/23/1996 |
| 5499195 | Fine-grained multi-planar clutter rejection processor A fine grained multi-planar clutter rejection processor (10) for correlating multiple sets of data. The processor (10) maps each set of data onto a plurality of arrays (28-34). The data includes target data which is correlated between sets and clutter whi... | 03/12/1996 |
| 5499139 | Ultra-wide field of view, broad spectral band helmet visor display optical system An optical display system in which an image is projected onto a combiner surface at a significant bending angle effectively compensates asymmetric aberrations, including quadratic, linear and constant binodal astigmatism components and both linear and con... | 03/12/1996 |
| 5493304 | Calibration system for wide band array using true-time-delay beamsteering A calibration and diagnostic system and method for evaluating the performance of a wide band array utilizing a true-time-delay beamforming network. A short pulse typically on the order of a 2 nanoseconds is synthesized by transmission of a large number of... | 02/20/1996 |
| 5491713 | Minimized oversampling Manchester decoder A Manchester decoder and clock recovery circuit for recovering Manchester encoded data and a clock synchronized with the incoming data. The circuit uses an oversampling rate of eight times the data rate, and a reduction in circuit elements to reduce the c... | 02/13/1996 |
| 5485167 | Multi-frequency band phased-array antenna using multiple layered dipole arrays A multiple layer dipole array that provides for a multi-frequency band phased array antenna. Several layers of dipole pair arrays, each tuned to a different frequency band, are stacked relative to each other along the transmission/reception direction. The... | 01/16/1996 |
| 5467063 | Adjustable microwave power divider An adjustable microwave power divider circuit (50), providing the capability of adjusting the power division ratio after the device has been fabricated. The device includes three 90 degree transmission line networks (60, 70, 80) incorporating open transmi... | 11/14/1995 |
| 5454047 | Optical method and system for generating expansion coefficients for an image processing function A system for optically generating expansion coefficients for an image processing function. The invention (10) includes a first optical element (18) for providing a transform of an image provided at a first image plane (16). A second optical arrangement (2... | 09/26/1995 |
| 5452840 | Water-soluble soldering flux A non-toxic, non-corrosive liquid soldering flux consists essentially of a solution of citric acid in water. This unique flux produces solder joints of high metallic luster and excellent quality. Disposal presents no health hazards, and clean-up of flux r... | 09/26/1995 |
| 5448936 | Destruction of underwater objects An apparatus for destroying a target underwater object includes a targeting system and a gun system. The targeting system has a laser which produces a laser beam, a laser ranging sensor sensitive to reflections of the laser beam from an underwater object,... | 09/12/1995 |
| 5445347 | Automated wireless preventive maintenance monitoring system for magnetic levitation (MAGLEV) trains and other vehicles A status monitor and diagnostic unit (SMDU) (12) is provided in every car (14,16) of a magnetic levitation (MAGLEV) train (18) or other vehicle, and includes sensors (38,40,42,44,48,52) for monitoring the operational status or condition of the car (14,16)... | 08/29/1995 |
| 5442342 | Distributed user authentication protocol A distributed authentication system that prevents unauthorized access to any computer system in a distributed environment. Authentication using the present invention involves three distinct phases. In the first phase, user passwords are generated by the c... | 08/15/1995 |
| 5442792 | Expert system compilation method A computer implemented compilation method or compiler and translator that automatically converts an interpretive rule-based expert system into compact, compiled, parallel Ada code. The present compiler customizes the compiled code for each desired knowled... | 08/15/1995 |
| 5442746 | Procedural user interface A simplified procedural user interface ("PUI") for controlling the operation of a computer, defined in terms of the steps or procedures required to do a given operation. The PUI acts as a graphical checklist that indicates to the user what has to be done ... | 08/15/1995 |
| 5442706 | Secure mobile storage A method of secure data transfer by physical transport of an electronic storage device wherein the sender, using a type 1 encryption/decryption algorithm, sequentially encrypts data, in any order, with the public key of the receiver and the private key of... | 08/15/1995 |
| 5436973 | Pseudo-random signal synthesizer with smooth, flat power spectrum Apparatus and a method are disclosed for synthesizing a pseudorandom communications signal having a smooth, flat, power spectrum. The system comprises frequency modulation circuitry for deriving a first analog signal from a digital encoding signal. The fi... | 07/25/1995 |
| 5434918 | Method for providing mutual authentication of a user and a server on a network An authentication method that permits a user and a file serving workstation to mutually authenticate themselves. This is accomplished by exchanging a random number that is encrypted by a password that is known to the user and stored in a password file on ... | 07/18/1995 |
| 5434595 | System and method for automatically correcting x-y image distortion in a display A system for detecting and automatically correcting X-Y errors in displayed image data. In a specific implementation, the invention (6, 10) includes a display driver ( 12, 14, 16, 4 ) for commanding the display ( 2 ) to display a picture element of an ima... | 07/18/1995 |
| 5428603 | Synchronous time division multiple access interrogate-respond data communication network A communication network and method employing chained sequences of communications devices, to support synchronized relaying of data, thus forming duplex data buses. These data buses support both synchronous virtual circuits and a form of synchronized inter... | 06/27/1995 |
| 5428364 | Wide band dipole radiating element with a slot line feed having a Klopfenstein impedance taper A wideband radiating element including an input mechanism for receiving electromagnetic energy from a source and a balanced feeding mechanism extending from the input mechanism for transmitting the electromagnetic energy and for providing impedance matchi... | 06/27/1995 |
| 5425136 | Three-dimensional maximum a posteriori (map) tracking An automatic detection apparatus and method applies the Short and Toomey algorithmic processing procedure to a frequency and beam direction windowed and time segmented set of Fast Fourier Transform (FFT) magnitude detected data, comprising time, frequency... | 06/13/1995 |
| 5425105 | Multiple adaptive filter active noise canceller An active adaptive noise canceller that does not require a training mode and operates over an extended noise bandwidth. The canceller partitions the noise bandwidth into frequency sub-bands, and multiple adaptive filter channels are employed, one for each... | 06/13/1995 |
| 5425032 | TDMA network and protocol for reader-transponder communications and method A TDMA network for reader-transponder communications including a receiver having an antenna for receiving and transforming radiated energy to a first RF signal and a detector for demodulating and converting the first RF signal to a digital signal. A proto... | 06/13/1995 |
| 5423035 | Method for evaluating relational database queries with automatic indexing and ordering of join components A computer-implemented method that speeds up relational database qualification processing by emulating the function of a multiple dimension index, including constant expressions and joins involving complex functions. The method comprises the following ste... | 06/06/1995 |
| 5422983 | Neural engine for emulating a neural network The neural engine (20) is a hardware implementation of a neural network for use in real-time systems. The neural engine (20) includes a control circuit (26) and one or more multiply/accumulate circuits (28). Each multiply/accumulate circuit (28) includes ... | 06/06/1995 |
| 5420883 | Train location and control using spread spectrum radio communications Communication devices and communication network techniques are employed to meet safety-critical, operational requirements for train location and control in railroad and public transit applications. On-board and trackside communication radios participate i... | 05/30/1995 |
| 5420831 | Coho device for improving time measurement resolution A time code receiver 18 is used to provide a rough estimate of an elapsed time, which is then enhanced by additional circuitry 53. The time code receiver 18 uses a square wave reference oscillator to produce a digital time value 56. This reference oscilla... | 05/30/1995 |
| 5420711 | Fiber optic link amplitude stabilization circuit An amplitude stabilization circuit for fiber optic links that holds the RF gain of the link constant despite optical parameter variations. A voltage variable attenuator which attenuates DC and RF equally is placed between the link photodetector and a load... | 05/30/1995 |
| 5420940 | CGSI pipeline performance improvement A method for improving CGSI imaging system throughput by selectively decimating rows and/or columns of object image data prior to warp transformation in order to more closely approach a 1:1 compression ratio. The best results are produced on compressed ob... | 05/30/1995 |
| 5416694 | Computer-based data integration and management process for workforce planning and occupational readjustment Disclosed is a computer system and a method for a computer-based data integration and management processing system and a method for workforce planning and occupational readjustment. The system and method of the present invention uses a number of databases... | 05/16/1995 |
| 5416332 | Integrated test target assembly and compact collimator An improved wide-spectrum test target assembly, with visual and near IR (infrared) targets integrated with a long wavelength emissivity target. A single relatively thick optical fiber (78) is used to receive target signals emitting from several thinner fi... | 05/16/1995 |
| 5416876 | Fiber optic ribbon subminiature display for head/helmet mounted display A lightweight fiber optic television subminiature display for helmet mounted display systems. A one dimensional array of pixels such as a fiber optic (FO) ribbon (64) has an input end (62) which receives input light illuminating the pixels so as to create... | 05/16/1995 |
| 5408863 | Knock detector for internal combustion engine An engine knock detector including a first mechanism for sensing engine noise during a first time period of an engine combustion cycle and providing a first signal in response thereto. A second mechanism is also provided for sensing engine noise and engin... | 04/25/1995 |
| 5410647 | Hardware symbology and text generator in a graphics rendering processor A symbology and text generator for use in a graphics rendering processor. The generator accesses font data stored in a processor display memory and generates symbols and text in dot matrix and stroke coded format. A typewriter controller is included which... | 04/25/1995 |
| 5404516 | System for allocating resources and method A system for allocating resources having a first mechanism for receiving a collection of input parameters and a second mechanism for processing data in accordance with the input parameters. The second mechanism includes a third mechanism for generating a ... | 04/04/1995 |
| 5404561 | Clustering and associate processor A clustering and assignment processor (40) for correlating set (12) of two-dimensional data points (14). Clustering is performed by treating each data point (14) as a mass subject to gravitational attraction by other data points (14). The data points (14)... | 04/04/1995 |
| 5402089 | Asymmetrically coupled TE21 coupler A TE21 coupler having at least two auxiliary rectangular waveguides asymmetrically disposed around the center line of a TE21 circular waveguide, the waveguides sharing common walls in which coupling slots are disposed, the slots prov... | 03/28/1995 |
