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| Number | Title | Issue Date |
| 7598000 | Alkali-hydroxide modified poly-vinylidene fluoride/polyethylene oxide protective polymer blend coating for lithium metal An anode for a metal-air battery has an electrode and a metal foil interconnected with the electrode. A barrier layer surrounds the metal foil and includes a polymer blend that substantially reduces the passage of moisture therethrough while permitting the passage o... | 10/06/2009 |
| 7586891 | Communication network optimization tool A method for converging on a route through a radio frequency (RF) communications network, that includes multiple nodes, includes (a) identifying all RF links between each node in the RF communications network; (b) determining a connectivity confidence interval for e... | 09/08/2009 |
| 7554244 | Agile tunable piezoelectric solidly-mounted resonator Though the initial concept of the face-mounted resonator was ahead of fabrication technology, the solidly-mounted resonator (SMR) is now a practical resonator design yielding high Qs in a space-efficient and robust mounting configuration. An agile tunable piezoelect... | 06/30/2009 |
| 7498915 | Application of superconductive permanent magnets A fixed remanence rigid permanent magnetic structure is provided. The fixed remanence rigid permanent magnetic structure is fabricated from a number of superconductive magnetic segments composed of high temperature superconductive particles. The superconductive magn... | 03/03/2009 |
| 7486229 | Test method used for assessing target detection accuracy of ground moving target indicator data The Ground Moving Target Indicator (GMTI) target detection accuracy test system receives, compares and analyzes GMTI test data that is formatted according to the NATO-EX (v.2.01) Standard. The GMTI target detection accuracy test system also uses Global Positioning S... | 02/03/2009 |
| 7449263 | Phosphate-free electrolyte for rechargeable lithium ion cells A more efficient LiPF6 lithium-ion electrochemical system composed of a phosphate free, borate lithium salt electrolyte LiTPTB composed of LiBC32F24H12 in a ternary mixed organic solvent containing a 1:1:1 volume ratio of ... | 11/11/2008 |
| 7401007 | Method, computer program and apparatus for extracting large size signal data samples with an automatically adjusted decimation ratio A method for rapidly extracting data file samples with an a signal monitor and an automatically adjusted decimation ratio is provided to solve the long-standing problems caused by large data files and small buffers by reducing a large data segment to a smaller, more... | 07/15/2008 |
| 7399534 | Structures producing a magnetic field with a gradient and a cylindrical magnetic field source Magnetic field structures composed of nested cylindrical magnetic laminae that are magnetically oriented perpendicular to their planes and configured to cause a volume charge density and cancel the field effects of unwanted surface negative charges are provided by a... | 07/15/2008 |
| 7397165 | Surface wave resonator with reduced acceleration sensitivity A restrained surface wave resonator with reduced or abated acceleration sensitivity is provided with a stiffening layer, adhesive layers and subsurface horizontal indentations on the substrate to achieve reduced acceleration sensitivity, increased structural rigidit... | 07/08/2008 |
| 7374826 | Structures producing a magnetic field with a gradient and a planar magnetic field source Magnetic field structures composed of stacked magnetic laminae that are magnetically oriented perpendicular to their planes and configured to cause a volume charge density and cancel the field effects of unwanted surface negative charges are provided. This arrangeme... | 05/20/2008 |
| 7354021 | Magnet for an ionic drive for space vehicles A toroidally shaped magnetic device with distortion-free exit and access ports provides toroidal magnetic ionic drive systems for vehicles that achieve a more operationally efficient, uniform and stronger radial magnetic field. This is accomplished by magnetizing a ... | 04/08/2008 |
| 7355513 | Ultra-reliable personnel position locating system A survivor locator system allows for the detection of the location for a person who is lost and requires recovery and extraction from their current environment. By using a phase matched antenna set, a GPS receiver, and a handheld simplified beacon-equipped survival ... | 04/08/2008 |
| 7336981 | Rare earth metal compounds for use in high critical temperature Josephson junctions Rare earth metal containing compounds of the formula Sr2YbSbO6 have been prepared with high critical temperature thin film superconductor structures, and can be fabricated into a superconductor insulator superconductor step edge Josephson junct... | 02/26/2008 |
| 7335336 | Sensor array using lateral field excited resonators A sensor for sensing a property of a plurality of analytes includes a substrate having a resonant frequency that varies based on contact with a predetermined property of an analyte. The substrate has an analyte contact surface and a non-analyte contact surface locat... | 02/26/2008 |
| 7325351 | Rotating hand grip trigger assembly for small arms A firearm includes a barrel that has a central axis, a receiver fixedly supporting the barrel, and a gunstock that is connected to the receiver and that has a longitudinal axis. The gunstock and the receiver are each configured to provide for angular movement of the... | 02/05/2008 |
| 7322142 | Rotating fore grip for small arms A firearm includes a barrel that has a central axis, a receiver fixedly supporting the barrel, a gunstock that is connected to the receiver and that has a longitudinal axis and a fore grip connected to the receiver. The gunstock and the receiver are each configured ... | 01/29/2008 |
| 7322141 | Rotating fore grip for small arms A firearm includes a barrel that has a central axis, a receiver fixedly supporting the barrel, a gunstock that is connected to the receiver and that comprises a longitudinal axis, and a shoulder stock extending in a plane that is generally perpendicular to the longi... | 01/29/2008 |
| 7312182 | Rare earth metal compounds for use in high critical temperature thin film super-conductors Rare earth metal containing compounds of the formula Sr2LuSbO6 and Sr2LaSbO6 have been prepared as high critical temperature thin film superconductor structures, and can be used in other ferroelectrics, pyroelectrics, piez... | 12/25/2007 |
| 7306855 | Rare earth metal compounds for use in high critical temperature thin film structures for super-conductors, ferroelectrics, pyroelectrics, piezoelectrics, and hybrids Rare earth metal containing compounds of the general formula Sr2RESbO6, wherein RE is a rare earth metal, have been prepared as dielectric substrates and buffer layers in thin film superconductor structures, and can be used in other ferroelectr... | 12/11/2007 |
| 7301493 | Meta-materials based upon surface coupling phenomena to achieve one-way mirror for various electro-magnetic signals A one-way reflective sensor shield with an increased bandwidth meta-materials coating is provided which substantially reduces or eliminates deleterious electronic signatures and backscattering. The one-way reflective sensor shield with meta-materials coating operate... | 11/27/2007 |
| 7298067 | Damped package for piezoelectric devices A packaging system for piezoelectric devices is provided that substantially reduces and avoids the deleterious effects of environmental vibrations and shocks with gas or fluid-filled chambers that drastically improve the resonator's ability to withstand unwanted dis... | 11/20/2007 |
| 7287929 | Smart bollard A smart bollard includes a compartment wherein a smart bollard circuit may be located and the smart bollard circuit, in turn, includes at least one processor, a transceiver that may be connected in circuit with the processor and configured to communicate with a cent... | 10/30/2007 |
| 7239268 | Method and apparatus for minimizing the number of power amplifiers required under multiple transmission conditions The number of power amplifiers required to amplify a plurality of transmission signals is reduced by using non-linear transmission lines (NTL) circuits. In general, a “combining” NTL circuit is used to combine the plurality of transmission signals to form a soli... | 07/03/2007 |
| 7218090 | Passive radio frequency power spectrum analyzer A spectrum analyzer includes a resonator board that in turn has a substrate and a plurality of resonators. Each resonator may include a first segment that includes a first segment discontinuity and that may also define a boundary and a second segment that has a seco... | 05/15/2007 |
| 7193352 | Thin film bulk acoustic wave sensor suite Thin film bulk acoustic wave sensors with coatings of biological and chemical materials, multiple electrode depositions and a piezo-active thin film transducer layer are hosted on a substrate. The thin film bulk acoustic wave sensor suite, or T-BASS, produces a low-... | 03/20/2007 |
| 7184937 | Signal repetition-rate and frequency-drift estimator using proportional-delayed zero-crossing techniques Proportional-delayed zero-crossing frequency-drift estimator devices are provided. Given N-number of time samples, the current zero-crossing time estimation technique uses only two zero-crossing time samples for repetition-rate estimation. The term “zero-crossing ... | 02/27/2007 |
| 7161452 | Magnet for a Faraday rotator Augmented magic sphere rotator permanent magnetic structures are provided by augmenting a magic sphere augmented with an interior magnet that attains significant decreases in mass, bulk and length of the optically active element. Also provided is a multiple augmente... | 01/09/2007 |
| 7154212 | Acceleration insensitive piezo-microresonator An acceleration insensitive piezo-microresonator provides substantially reduced acceleration sensitivity with a plano—plano piezo-microresonator, upper gap and lower gap embedded in a rigid structural supporting member holding major surfaces of the piezo-microreso... | 12/26/2006 |
| 7150667 | Metal air battery and buoyancy module for life vests An individual flotation device includes a shell that has a cavity for receiving air and a housing that is connected to the shell. The housing has a metal air battery compartment that is dimensioned and configured to receive a metal air battery and also has an apertu... | 12/19/2006 |
| 7146762 | Close combat butt stock with blade for assault rifles A close quarter combat butt stock and blade apparatus for an assault weapon is provided with a slideable cover for a close quarters combat assembly having a rear bayonet. The close quarters combat assembly is connected to the concealed rear bayonet, has an interior ... | 12/12/2006 |
| 7133791 | Two-mean level-crossing time interval estimation method N-sample level-crossing estimator methods and devices are provided that extract more information from given time samples than the current two-sample approach and that are more resistant to interference from noises. The two-mean level-crossing time-interval estimatio... | 11/07/2006 |
| 7132908 | Selectable performance filter RF programmable SAW filters achieve selectable filter performance by providing tunable input and output interdigital (IDTs) with different synchronous frequencies and substantially reduce electromagnetic interference (EMI) associated with RF signals not of interest.... | 11/07/2006 |
| 7122783 | Seismic activity monitor based on optical fiber Bragg gratings Fiber Bragg gratings (FBG) seismic activity sensors coupled in sensor arrays provide increased sensitivity to seismic activities, lower strain values and an absence of EMI allowing detection of troop and vehicle movements based on ground vibrations generating seismi... | 10/17/2006 |
| 7105831 | Ambient air alpha particles ionization detector An ionized alpha particle detector to directly measure alpha activity in ambient air that counts alpha pulses instead of measuring radon concentration is provided by an open-air ionization chamber, a means for collecting ions, a voltage source, a charging means and ... | 09/12/2006 |
| 7071791 | Automatic antenna-switching apparatus and system An automatic antenna-switching apparatus is provided for the user to connect a single multiband communications platform to a group of antennas with different frequencies by detecting the RF energy input representing the user's selected frequency and automatically sw... | 07/04/2006 |
| 7067964 | Piezoelectric resonator with reduced deformation sensitivity Reliable piezoelectric restraint mechanisms are provided that substantially reduce the ill effects of acceleration sensitivity through an increasingly rigid and precise orientation system. The piezoelectric resonator stress relief apparatus, devices and systems of t... | 06/27/2006 |
| 7061220 | Passive radio frequency power spectrum analyzer A spectrum analyzer includes a resonator board that in turn has a substrate and a plurality of resonators. Each resonator may include a first segment that includes a first segment discontinuity and that may also define a boundary and a second segment that has a seco... | 06/13/2006 |
| 7053523 | Lateral field excitation of bulk acoustic waves from an IC-compliant low voltage source An Interdigital Bulk Acoustic-Wave Transducer (IBAT) device is provided with pairs of exciting electrode fingers disposed sufficiently close together on the piezoelectric substrate and dielectric coating over the exciting electrode fingers to generate an IC-compatib... | 05/30/2006 |
| 7026069 | Lithium manganese bismuth mixed metal oxide for rechargeable electrochemicals systems Reacting MnO2, a lithium compound and a bismuth compound produces a lithium battery cathode material for lithium electrochemical systems. The same results can also be achieved by reacting MnO2, lithium, or a compound containing lithium and bism... | 04/11/2006 |
| 7011908 | Manganese, bismuth mixed metal oxide cathode for rechargeable lithium electrochemical systems The present invention provides a manganese bismuth mixed metal oxide cathode material through a solid-state reaction between manganese dioxide, and either bismuth or a bismuth compound in a compound having the general formula MnOy(Bi2O3 | 03/14/2006 |
