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| Number | Title | Issue Date |
| 7222525 | Skin and tissue simulant for munitions testing A skin and tissue simulant including a gelatin composite block and an ether based cast polyurethane sheet. The gelatin composite block acting as the tissue simulant. The sheet acting as the skin simulant, the sheet disposed over a portion of the gelatin composite bl... | 05/29/2007 |
| 7176812 | Wireless blade monitoring system and process The present invention can be generally described as a blade monitoring and wireless communications system. This monitoring and communications system is formed by the integration of commonly available or easily developed hardware and/or software components, which may... | 02/13/2007 |
| 6921249 | Main rotor shear restraint A main rotor shear restraint that includes two spherical ball segments, two corresponding bearing outer races, and a spring system for loading the bearing outer races against the two spherical ball segments. ... | 07/26/2005 |
| 6903676 | Integrated radar, optical surveillance, and sighting system The present invention can be generally described as a protection system. This protection system is formed by the integration of commonly available subsystems, which may be controlled by non-proprietary, open architecture software, which, in turn, may accommodate the... | 06/07/2005 |
| 6861914 | Monolithic vibration isolation and an ultra-high Q mechanical resonator A mechanical oscillator is provided for use in micro-electromechanical systems (MEMS) for application in radio frequency filters and oscillators, motion and pressure sensors and other micro applications. The oscillator is of monolithic construction and has a high Q ... | 03/01/2005 |
| 6857371 | Two-payload decoy device The two-payload decoy device has a square outer case, containing a manifold/delay body assembly, a round payload assembly, and a square payload assembly. The square outer case is closed with an end cap. The manifold/delay body assembly is attached to the round paylo... | 02/22/2005 |
| 6854058 | Low-interference communications device using chaotic signals The low-interference communications device uses chaotic signals which are almost periodic. A chaotic circuit driven by a sine wave signal from a function generator is produced which has narrow-band features in the power spectrum. An information signal is encoded on ... | 02/08/2005 |
| 6847446 | Chemical analysis and detection by selective adsorbent sampling and laser induced breakdown spectroscopy The present invention describes an apparatus capable of specific detection of environmental chemicals in water and air. The apparatus combines a specific chemical sampler, encompassing selectively adsorbing material to automatically sample air or water samples and t... | 01/25/2005 |
| 6826480 | Similarity transformation method for data processing and visualization A similarity transform method of providing parameterized representation of physical or engineering functions for use in retrieving the engineering or physical functions from data, comprising (a) obtaining samples of the functions from data, numerical simulations, or... | 11/30/2004 |
| 6820230 | Self synchronous scrambler apparatus and method for use in dense wavelength division multiplexing A method employing a self-synchronous scrambler for transforming an arbitrary bit-stream into a bit-stream suitable for input to a DWDM network, and for reconstituting the original bit-stream from the transformed bit-stream. This method enables DWDM network equipmen... | 11/16/2004 |
| 6809506 | Corrosion sensor loudspeaker for active noise control A system using tank corrosion sensors to provide for an overall assessment and monitoring of the electro-chemical corrosion and coatings condition in ships' tanks, and particularly in ships' seawater or compensated fuel tanks. The system includes reference half-cell... | 10/26/2004 |
| 6806721 | Digital envelope detector A digital envelope detector (consisting of both hardware and software) that provides accurate measurements of changes of peak values of an AC signal (these peak values constitute the envelope of a signal). Such accurate envelope measurements are required to optimize... | 10/19/2004 |
| 6800913 | Hybrid Hall vector magnetometer A modified hybrid Hall effect device is provided which is the combination of a conventional Hall effect device and a second Hall effect device having a Hall plate coupled to a ferromagnetic layer. The hybrid Hall effect device can be used to determine the independen... | 10/05/2004 |
| 6787972 | Piezoelectric rotary pump A high power and high torque density piezoelectric axial pump is developed using torsional actuator tube (stator) directly coupled to the rotor via two one way clutches. A cylindrical torsional actuator is comprised of a plurality of tubular piezoelectric ceramic se... | 09/07/2004 |
| 6772182 | Signal processing method for improving the signal-to-noise ratio of a noise-dominated channel and a matched-phase noise filter for implementing the same A matched-phase noise filter includes an analog to digital converter (ADC) for receiving an analog composite, noise-dominated signal containing a signal of interest and producing a digital composite signal, an input/output port receiving the digital composite signal... | 08/03/2004 |
| 6771201 | Hybrid photonic analog to digital converter using superconducting electronics This invention discloses a hybrid photonic analog-to-digital converter using superconducting electronics to achieve a high-speeds. This scheme differs from most current designs by combining two systems, photonic and superconducting, to utilize each system for optima... | 08/03/2004 |
| 6744986 | Tunable wavelength add/drop multiplexer based on integrated optic devices A tunable wavelength add/drop (t-WDM) device utilizes a multiwavelength input (which serves as a data input port), a low loss optical circulator or an optical coupler, a wavelength division de-multiplexer which splits the input multi-wavelength data stream into itsd... | 06/01/2004 |
| 6744035 | Passive, temperature compensated techniques for tunable filter calibration in bragg-grating interrogation systems A passive, temperature compensated tunable filter calibration device in a Bragg-grating interrogation system. The invention comprises two systems: 1) a dual substrate Bragg grating calibration system, the temperature of an array of gratings is estimated using an arr... | 06/01/2004 |
| 6731922 | Optical image reject down converter The remotable, ultrawide band optical image rejection downconverter uses sub-carrier modulation techniques without concern for image frequency interferences in the shifted signal, thereby allowing telecommunications systems to downconvert densely multiplexed communi... | 05/04/2004 |
| 6721358 | Signal synthesizer and method therefor A method and system for signal processing, especially useful as a signal repeater, i.e. for simulating the characteristic echo signature of a preselected target. The system has a digital radio frequency memory (DRFM) and associated circuitry, including digital tappe... | 04/13/2004 |
| 6714868 | Similarity transformation method for data processing and visualization A similarity transform method of providing parameterized representation of physical or engineering functions for use in retrieving the engineering or physical functions from data, comprising (a) obtaining samples of the functions from data, numerical simulations, or... | 03/30/2004 |
| 6710343 | Photon detector A fast photon detector with high energy and position resolution, which may be used in the infrared, ultraviolet, EUV, and X-ray ranges includes an absorber, a thermoelectric sensor, a heat sink, all disposed on a dielectric substrate. An absorber receives a photon a... | 03/23/2004 |
| 6700858 | Method and apparatus for parallel readout and correlation of data on optical disks A light beam encoded with data simultaneously reads out data stored in tracks on an optical disk and produces a reflected beam directed to a detector array. The data stored on the optical disk and the encoded data may be components of vector arrays. As th... | 03/02/2004 |
| 6684219 | Method and apparatus for building and maintaining an object-oriented geospatial database An object-oriented system for building and maintaining a spatial data structure for use in topological applications. The data is organized in a database which incorporates spatial feature location, attributes, and metadata information in a relational fram... | 01/27/2004 |
| 6683678 | Optic flow sensor with negative iris photoreceptor array An improved optic flow sensor is provided which affords enhanced bandwidth without the use of a lens. A plurality of photoreceptor circuits, arranged in a linear array, sense light received from a visual field and produce a plurality of photoreceptor sign... | 01/27/2004 |
| 6647297 | Permanent retinal implant device The retinal prosthesis test device is comprised of a thin wafer of glass made from nanochannel glass (NGC) with very small channels perpendicular to the plane of the wafer filled with an electrical conductor forming microwires. One surface of the glass is... | 11/11/2003 |
