| Patent Number |
Title Of Patent |
Date Issued |
| 7590756 |
Method and system for transferring data in a communications network using redundant communicatio |
September 15, 2009 |
| A communication node of the present invention automatically transmits original and duplicate packets over different paths in a communications network to improve delivery reliability of the packet and to decrease packet delivery time. A packet is typically marked for reliable transmis |
| 7587187 |
Ultra wide band, differential input/output, high frequency active mixer in an integrated circuit |
September 8, 2009 |
| A wideband mixer includes a core mixer having input terminals and output terminals for, respectively, receiving differential input signals and providing amplified differential output signals. A steering module is coupled to the core mixer for receiving differential reference signals |
| 7587141 |
Communication transceiver architecture |
September 8, 2009 |
| A free-space communication transceiver includes a telescope for transmitting and receiving laser beams, a tunable laser transmitter for generating a transmit laser beam modulated with data, a tunable optical receiver for processing a receive laser beam received from the telescope to |
| 7584521 |
Dust mitigation and surface cleaning system for maintaining a surface free from dust and other m |
September 8, 2009 |
| A dust mitigation and cleaning system for cleaning a surface includes a system housing secured around at least a portion of a section including the surface to be cleaned. The system housing includes a hollow member extending within the system housing toward and in general alignment with |
| 7583378 |
Spectrograph calibration using known light source and Raman scattering |
September 1, 2009 |
| A method is provided for calibrating a spectrometer device used for Raman scattering analysis. A predetermined dispersion curve for a diffraction grating or spectrograph of the spectrometer device is modified based on spectrum data associated with detected dispersed light from a calibrat |
| 7579972 |
Risa controller for an RF integrated circuit (RFIC) having improved execution speed |
August 25, 2009 |
| An RFIC controller configured for executing multiple tasks. A serial interface is included having a serial bus for receiving a data stream having control bits and data bits. One or more registers are coupled to the serial bus for storing the control bits and data bits as they are rec |
| 7579878 |
High gain, high speed comparator operable at low current |
August 25, 2009 |
| A comparator includes a differential pair of transistors providing a first amplification stage and receiving inverting and non-inverting input signals. An output transistor is coupled to the differential pair of transistors providing a second amplification stage and transitioning the |
| 7576346 |
Use of solar illumination and baffles to calibrate visible sensors |
August 18, 2009 |
| A device for calibrating a sensor using solar radiation includes a sensor configured to measure electromagnetic radiation received through a field of view (FOV) having a normal line of sight and at least two baffles removably insertable across the FOV of the sensor and inclined to the |
| 7558673 |
Method and system for determining atmospheric profiles using a physical retrieval algorithm |
July 7, 2009 |
| The present invention provides a new approach for processing hyper-spectral radiance data. It uses a transformation matrix to convert an instrument radiance spectrum into a pseudo-monochromatic radiance spectrum. The pseudo-monochromatic radiance spectrum is produced by an empirical |
| 7558157 |
Sensor synchronization using embedded atomic clocks |
July 7, 2009 |
| A data acquisition system includes multiple terminal nodes. Each terminal node includes a sensor, an atomic clock and a controller. Each sensor is adapted to sense an external event and transform the external event into an electrical signal. Each atomic clock generates a time reference. |
| 7557995 |
Deployable telescope shade |
July 7, 2009 |
| According to one aspect of this invention, a deployable shade assembly is provided. The deployable shade assembly comprises a plurality of pivotable panels arranged circumferentially about a common central axis. Each pivotable panel is configured to pivot about a hinge axis oriented |
| 7557918 |
Spectral polarimetric image detection and analysis methods and apparatus |
July 7, 2009 |
| Apparatus and methods for detecting and analyzing spectral polarimetric images are disclosed. Spectral polarimetric images are detected by selecting spectral bands of light within light received from a light source and capturing polarimetric images of the selected spectral bands of l |
| 7556502 |
Connector and contacts for use in the connector |
July 7, 2009 |
| A connector includes a plurality of contacts. The connector includes an insulator having a plurality of through-holes for receiving the contacts. A pair of contacts are disposed in each of the through-holes. Since two contacts are disposed in the through-hole in the insulator, even if a |
| 7553179 |
Connector latch retainer |
June 30, 2009 |
| A connector system wherein a first connector (12) has a pair of latches (34, 36) that can be depressed to release them from a pair of strikes (30, 32) of a mating second connector (14). A retainer (60) is provided that prevents accidental release of the latches. The retainer has bloc |
| 7550853 |
Electrical isolation of monolithic circuits using a conductive through-hole in the substrate |
June 23, 2009 |
| A monolithic electronic chip including: a substrate; a first circuit formed on a first circuit portion of the substrate; a second circuit formed on a second circuit portion of the substrate; and at least one conductive impedance tap formed a through-hole in the substrate. The substra |
| 7547048 |
Fluid quick connector with integral pivotal retainer |
June 16, 2009 |
| A fluid quick connector includes an integral retainer pivotally mounted on a housing for latchingly coupling a first endform in the bore of the housing. The retainer is coupled to the housing by a living hinge forming the retainer and the housing as a one-piece unitary body to eliminate |
| 7545490 |
Microscope flow cell apparatus for raman analysis of a liquid |
June 9, 2009 |
| A flow cell apparatus is provided comprising a body having a first surface, an inlet port and an outlet port. A channel is provided in the body having a first end and a second end. In one embodiment, the channel is sized so as to have a depth that allows for sufficient excitation and |
| 7545076 |
System and method for tracking drive frequency of piezoelectric motor |
June 9, 2009 |
| A system and method for actively tracking a drive frequency of a piezoelectric motor is disclosed. A drive voltage can be applied at a drive frequency to an active piezoelectric element in the piezoelectric motor. A voltage response can be induced in a passive piezoelectric element t |
| 7538724 |
Method and system for relative tracking |
May 26, 2009 |
| Systems and methods for providing relative tracking for a user in an unprepared environment, e.g., in the field. A larger mobile unit, such as a truck, is tracked precisely in world coordinates using GPS and/or other tracking technology. A smaller mobile object or unit is then tracked wi |
| 7535185 |
Method and system for implementing power reduction algorithms in a night vision system power sys |
May 19, 2009 |
| A night vision system comprising a power system having a low voltage unit coupled to a high voltage unit. The low voltage unit includes a low voltage controller and a low voltage table correlating step values to pulse widths, the low voltage controller obtaining a desired pulse width |
| 7531273 |
Fullerene-based secondary cell electrodes |
May 12, 2009 |
| A composition for forming an electrode for a lithium ion secondary battery includes a carbonaceous material combined with a fullerene material including fullerene species having a carbon content of C.sub.n, where n.gtoreq.100. The composition is heated to a temperature of 100.degree. |
| 7529677 |
Methods and apparatus for remotely processing locally generated commands to control a local devi |
May 5, 2009 |
| A technique for remotely processing a local audio command to control a local device includes: receiving at a local site an acoustic signal and generating a corresponding audio signal; transmitting the audio signal to a remote site; performing speech recognition processing on the audio |
| 7518952 |
Sonar sensor array signal distribution system and method |
April 14, 2009 |
| A system and method for signal distribution within a sensor array uses a coaxial transmission line. Taps are affixed to the outer conductor of the coaxial transmission line and include field coupling portions extending into the internal field region of the coaxial transmission line. |
| 7511809 |
Air sampler module for enhancing the detection capabilities of a chemical detection device or sy |
March 31, 2009 |
| An air sampler module is provided for use with a detection device that monitors liquids and/or solids on a surface using spectroscopy techniques. The air sampler module comprises a housing, an intake port for collecting air containing airborne threats to be analyzed by the detection |
| 7511804 |
Crossed beam roof target for motion tracking |
March 31, 2009 |
| A system for detecting motion between a first body and a second body includes first and second detector-emitter pairs, disposed on the first body, and configured to transmit and receive first and second optical beams, respectively. At least a first optical rotator is disposed on the |
| 7511368 |
Carrier device for electronic chip |
March 31, 2009 |
| A surface mount electronic chip (10) is mounted on a holder (70) and electrically connected to holder terminals (74,76, 80) by the use of a carrier device (30). The carrier device has clips (36) mounted on walls of the carrier frame. The chip is merely pressed into a cavity (48) betw |
| 7509150 |
Reducing power consumption in a radio device by early receiver shut down |
March 24, 2009 |
| A power savings technique is provided for a radio communication device. The technique involves reducing the amount of time that a receiver is powered-up during a time interval that the radio communication device may receive a transmission from another radio communication device. This tim |
| 7508520 |
System and method for multi-target fluid concentration detection and mapping |
March 24, 2009 |
| Methods and systems for obtaining a target fluid map of a survey area using a differential absorption LIDAR (DIAL) system are provided. Pulse bursts are transmitted toward the survey area, where each pulse burst includes an off-line pulse and at least one on-line pulse. Pulse bursts, |
| 7505506 |
System and method for generating single sideband, constant envelope, spread spectrum signals wit |
March 17, 2009 |
| A method of generating a composite signal includes the steps of: (a) generating a plurality of sub-carriers, each sub-carrier having a different frequency position in a frequency spectrum; (b) generating a plurality of codes; and (c) forming a plurality of code combinations from the |
| 7504879 |
Transconductor and filter circuit |
March 17, 2009 |
| A transconductor and filter circuit is described. In one embodiment, a front end module within the transconductor and filter circuit converts a differential input voltage signal into a differential output current and supplies the output current at a differential output. A filter module |
| 7502693 |
Spectral feature-based identification of substances |
March 10, 2009 |
| A spectroscopic identification method and system are provided that uses the primary or main spectroscopic features of a source, such as those as arising from chemical functional groups, to describe and distinguish the source. These primary spectroscopic features make up a portion (i.e., |
| 7502382 |
Method and apparatus for multicast packet distribution in a satellite constellation network |
March 10, 2009 |
| A satellite network constellation employs a technique for multicasting packets through the network according to the present invention. The network comprises plural satellites in plural orbital planes with each satellite equipped with a plurality of high-speed point-to-point full dupl |
| 7502360 |
Method and apparatus for dynamic neighbor discovery within wireless networks using time division |
March 10, 2009 |
| An Ad-Hoc wireless network according to the present invention employs a TDMA based neighbor discovery protocol, where each network node is assigned a unique time slot to broadcast neighbor discovery packets or messages. A primary controller node is dynamically designated to perform t |
| 7502117 |
Interferometer with ghost suppression |
March 10, 2009 |
| An interferometer includes a beamsplitter, and a compensator. At least one surface of the beamsplitter or compensator has a non-zero power. In one embodiment, one surface of the beamsplitter is flat and the other surface of the beamsplitter is curved. In another embodiment, the interfero |
| 7496059 |
Energy-efficient medium access control protocol and system for sensor networks |
February 24, 2009 |
| An energy efficient MAC protocol for a sensor network that extends the battery life of remotely located wireless nodes by employing MAC operations involving transmission of a wake-up signal with more processing gain, dynamic adjustment of a transmission rate of synchronization messag |
| 7490537 |
Suppression apparatus for explosive devices |
February 17, 2009 |
| A suppression apparatus for a suspected explosive device comprising a container which surrounds a cavity, wherein the container is shaped such that when filled with liquid, the liquid has an outer boundary of cylindrical shape and an inner boundary of frusto-conical shape wherein the |
| 7490008 |
GPS accumulated delta range processing for navigation applications |
February 10, 2009 |
| Techniques for GPS navigation used to determine the position and velocity of a moving object. Pseudorange (PR) measurements and accumulated delta range (ADR) measurements are made at the object from received GPS signals. Differences are computed between ADR measurements that are sepa |
| 7487493 |
Method and apparatus for developing standard architecture compliant software for programmable ra |
February 3, 2009 |
| A method and apparatus is described for generating a standard software communication architecture (SCA) compliant waveform application for a software defined radio. An application shell generator is used to separate implementation of software radio software resources from implementat |
| 7482572 |
Transmissive diffuser with a layer of polytetrafluoroethylene on the output surface for use with |
January 27, 2009 |
| A flux diffuser for radiometrically calibrating an imaging sensor using the sun as a calibration light source, the flux diffuser including a fiberglass cloth having input and output surfaces. The input surface receives solar irradiance, and the output surface provides diffused scatte |
| 7482571 |
Low cost planar image intensifier tube structure |
January 27, 2009 |
| An image intensifier tube is provided. The image intensifier tube has a microchannel plate (MCP), a photocathode and phosphor screen deposited on a fiber optic substrate. A first spacer is positioned between the microchannel plate and the fiber optic substrate. A second spacer is pos |
| 7480493 |
Bit detection using code spectrum transform techniques for interference cancellation |
January 20, 2009 |
| Spreading code detection methods applying autoregressive spectrum estimation (ARSE) techniques to code division multiple access (CDMA) wireless communication systems allowing the subscriber device to estimate the other users' codes. According to one aspect, ARSE techniques are provid |
| 7476322 |
Process and energy-efficient biological treatment system with filtration membrane |
January 13, 2009 |
| A membrane filtration system comprising one or more submerged ultrafiltration or microfiltration membrane assemblies at ambient pressure, with mixed liquor is discharged underneath each membrane assembly. In a sequenced batch reactor system, a coarse bubble air diffuser for scouring |
| 7474685 |
Multi-line tunable laser system |
January 6, 2009 |
| A multi-line tunable laser system, which uses lasers as light sources to illuminate, identify and or quantify one or more targets based on multi-dimensional spectral characteristics of each target. The system includes a plurality of laser sources, each tunable to emit an electromagne |
| 7465919 |
Ion detection system with neutral noise suppression |
December 16, 2008 |
| An ion detection system includes a mass analyzer generating an ion beam along an ion beam longitudinal axis. A field generator generates a field for altering the direction of ions in the ion beam away from the ion beam longitudinal axis. A conversion dynode includes an ion collision regi |
| 7465173 |
De-soldering tool |
December 16, 2008 |
| A de-soldering tool includes an upper heating device having an upper heating element for applying heat to an upper mating structure, the upper mating structure arranged in a pattern matching contacts in an electrical connecter soldered to a printed wiring board; a lower heating device |
| 7463214 |
Method and apparatus for steering radio frequency beams utilizing photonic crystal structures |
December 9, 2008 |
| An RF beam steering device according to present invention embodiments employs a prism assembly to steer an RF beam. The prism assembly includes a plurality of dielectric prisms each with an associated impedance matching layer. The dielectric prisms are rotated relative to each other |
| 7456970 |
Pulse finding apparatus and method |
November 25, 2008 |
| A method of finding a temporal location of a reflected pulse in a system for remotely measuring characteristics of a target scene. The method includes steps of: (a) transmitting a pulse burst of two or more pulses toward the target scene; (b) capturing a copy of the pulse burst trans |
| 7455777 |
Method of adjusting levels of dissolved compounds in beverages |
November 25, 2008 |
| A method of producing multiple beverage products from a solution is presented. The method comprises providing the solution in a first container, with the solution having a concentration of a dissolved component. A portion of the solution is provided to a second container, and the por |
| 7453961 |
Methods and apparatus for detection of signal timing |
November 18, 2008 |
| A technique is described for determining the timing of a received signal that includes one or more time-delayed versions of a reference signal traveling over respective different signal paths. The technique includes correlating the received signal with the reference signal to produce a |
| 7452091 |
Searchlight featuring bayonet mounting system with 2-speed joystick rotational operation |
November 18, 2008 |
| The present invention provides a new and unique searchlight featuring a bayonet/security locking and mounting system, or a controller having a center home position, or a controller having a 2-speed joystick, or some combination of one or more of these features. |
