Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8041121 | Algorithm for rapid endmembers determination (ALRED) in hyperspectral data A method for rapid processing of large sets of hyperspectral data. A hyperspectral image, with hundreds of thousands to millions of pixels measured at hundreds of wavelengths, can contain over a gigabyte of data. Even modern computers can be quite slow when performi... | 10/18/2011 |
| 7883479 | Stability augmentation system A stability augmentation system for stabilizing human limbs from against limb tremors. The stability augmentation system includes: and arm brace; a plurality of piezoelectric sensors fixed on said arm brace for sensing angular motion about a first axis of a limb ind... | 02/08/2011 |
| 7618007 | Force balancing actuator There is provided a force balancing actuator for mounting a pressure vessel, containing an engine, to aircraft structure. The force balancing actuator includes a cylinder and piston that is mechanically connected between the pressure vessel and aircraft structure. T... | 11/17/2009 |
| H2222 | Normalized matched filter—a low rank approach This invention addresses the problem of radar target detection in severely heterogeneous clutter environments. Specifically, we present the performance of the normalized matched filter test in a background of disturbance consisting of clutter having a covariance mat... | 08/05/2008 |
| 7365336 | Scintillator-based low energy particle imaging spectrometer The Low-energy Imaging Particle Spectrometer (LIPS) is configured as a “pinhole camera” with particle-specific scintillator focal planes. The scintillators are designed specifically to respond only to either protons or electrons within a specific energy range. T... | 04/29/2008 |
| 7260242 | Spatial surface prior information reflectance estimation (SPIRE) algorithms A new class of algorithms has been developed to estimate spectral reflectance in remote sensing imagery. These algorithms are called Surface Prior Information Reflectance Estimation (SPIRE) algorithms and estimate surface spectral reflectance using prior spatial and... | 08/21/2007 |
| H2190 | Sampled analog transmission Analog information is modulated onto a high repetition rate optical pulse stream. This modulated pulse stream is transmitted over optical medium, such as long distances of fiber, and is then detected. The pulses are removed leaving only the original analog signals. ... | 06/05/2007 |
| 7209094 | Genetically optimized digital ionospheric sounding system (DISS) transmit antenna The Genetically Optimized Digital Ionospheric Sounding System (DISS) Transmit Antenna is a low-cost modification to the TCI 613F HF communications antenna that increases and stabilizes vertical gain from 4 to 30 MHz. Genetic algorithm and local search techniques wer... | 04/24/2007 |
| H2179 | Maximum entropy based image compression and reconstruction process A process is disclosed for compression and reconstruction of digital images taking advantage of information entropy properties to reconstruct image data from minimal information. The algorithm yields the possibility of achieving image compression factors of 10,000 t... | 02/06/2007 |
| 7173294 | Image sensor with reduced sensitivity to gamma rays The CCD image sensor addresses the problem of noise, due to background charge generated by Compton scattering of gamma rays. In applications, in which an imager must operate in a high-radiation environment, such background noise reduces the video signal/noise. This ... | 02/06/2007 |
| H2175 | Aircraft wheel and tire compressor This new wheel compressor has a spring loaded, shaft with a foot operated torque brace, that when stepped on moves the shaft down. The shaft has an ACME threaded collar welded to the inside that has an ACME bolt threaded T-bar that has a compressor wing that when in... | 11/07/2006 |
| H2172 | Pitch-synchronous speech processing Pitch-synchronous speech processing invention involves two main steps: 1) divide the speech into pitch periods, or into pseudo pitch periods for unvoiced speech, where the breaks occur, for example, at the first zero-crossing preceding each glottal pulse for voiced ... | 09/05/2006 |
| 7068413 | Near-normal incidence quasi-optical reflective Faraday rotator for high power millimeter wave radars An optical element having characteristics suitable for use in a Faraday rotator has bonded to each of the adjacent radiation-receiving surfaces thereof with a chamber or water conducting conduit affixed therein includes a water cooled Faraday rotator element having:... | 06/27/2006 |
| 7061447 | Reconfigurable antennas using microelectromechanical (MEMs) shutters and methods to utilize such A reconfigurable antenna is presented that uses MEMs shutters to reconfigure a Fresnel zone plate antenna. It can be used to either point a main beam in different directions or to point multiple beams in different directions. ... | 06/13/2006 |
| 7058092 | Twenty gigabit per second two to one multiplexor The present invention includes a design for a 20-gigabit per second two to one multiplexor, that uses: first and second input amplifiers that respectively provide output signals by respectively receiving and amplifying first and second ten-gigabit per second input s... | 06/06/2006 |
| 7030370 | Microchip ring trap for cold atoms or molecules A microchip ring trap for cold atoms or neutral molecules consists of a particular multi-layer layout of wires on a microchip. These conductive wires may be produced by photolithography on a substrate (e.g. gold on sapphire). There are four wires crucial to the desi... | 04/18/2006 |
| 7002673 | Optical strain gage compatible with fiber optic systems The structure of the device consists of a light transparent or light absorbing hollow tube having inside diameter slightly larger than the outside diameter of an optical fiber that is threaded through the tube. The space between the fiber and the tube is filled with... | 02/21/2006 |
| 6996345 | Linearization of intensity modulators using quadratic electro-optic effect Changing the phrases when mixing of optical modes gives rise to intensity effects. This occurs in multi-mode interferometer (MMI) or arrayed waveguide gratings (AWG). Here we use an electro-arefractive modulator, with a quadratic electro-optic effect that has an opt... | 02/07/2006 |
| H2137 | Door knob insulator An insulated elastic cover that slips snuggly over interior or exterior door knob. It is constructed in a manner that allows locking and unlocking actions, as well as the ability to turn the door knob. Invention takes advantage of state-of-the-art materials to maxim... | 01/03/2006 |
| 6975802 | Damascene optical waveguides A method for fabricating electromagnetic waveguides. The primary expected application is for the formation of dielectric type waveguides suitable for the confinement and guidance of intra-red and visible wavelengths. A secondary application is the formation of waveg... | 12/13/2005 |
| 6965341 | High resolution SAR processing using stepped-frequency chirp waveform A stepped-frequency chirped waveform improves SAR groundmapping for the following reasons. Range resolution in SAR image is inversely proportional to the transmitted signal bandwidth in nominal SAR systems. Since there is a limit in the transmitted bandwidth that ca... | 11/15/2005 |
| H2130 | Laser-difference-frequency discriminator A laser difference frequency discriminator that detects the difference between two laser frequencies and outputs a voltage near baseband that is related to the difference frequency. This discriminator power splits a laser beam containing the two laser frequencies in... | 11/01/2005 |
| 6958664 | Variable permittivity structure based on micro-electromechanical systems (MEMS) A variable permittivity structure is proposed based on composition of two different dielectrics in a transmission line. The composition is adjusted through a thermally-actuated MEMS structure, and this compositional adjustment alters the relative permittivity at lea... | 10/25/2005 |
| 6952499 | Aspire (autonomous spatial pattern identification and recognition algorithm) An automatic endmember classification algorithm for hyperspectral data cubes. This algorithm is an improved version of a pattern recognition technology which was developed at Massachusetts Institute of Technology (MIT). The MIT algorithm is called the Extended Cross... | 10/04/2005 |
| H2120 | Biometric personal identification credential system (PICS) This Interactive/Inoperable ID Card is a personal Bio related Positive Identification Credential System (PICS), which due to its nature could only be activated by the individual to whom it was originally issued. The PICS prior to use, would be activated by more than... | 07/05/2005 |
| 6911933 | Dynamic logic algorithm used for detecting slow-moving or concealed targets in synthetic aperture radar (SAR) images The present invention includes an application of a dynamic logic algorithm to detect slow moving targets. Show moving targets are going to be moving in the range from 0-5 mph. This could encompass troop movements and vehicles or convoys under rough terrain. The meth... | 06/28/2005 |
| 6909395 | Radar absorbing coatings A method for preventing the discovery of military aircraft and missiles by enemy and infrared detectors. The method involves applying a coating of a ferrite containing glass composition to the surfaces of those metal or ceramic substrates that are susceptible to det... | 06/21/2005 |
| 6897471 | Strain-engineered direct-gap Ge/SnxGe1-x heterodiode and multi-quantum-well photodetectors, laser, emitters and modulators grown on SnySizGe1-y-z-buffered silicon This invention teaches two new families of Si-based Ge/SnxGe1-x heterodiode and multiple quantum well (MQW) photonic devices: (1) band-to-band photodetectors, lasers, emitters, amplifiers and modulators for the 1.5 to 12 μm wavelength range; (... | 05/24/2005 |
| 6879307 | Method and apparatus for reducing driver count and power consumption in micromechanical flat panel displays A micromechanical panel display driver is shown in which only one driver and control bus are needed for each color. Furthermore, the elements are made with uniform film thicknesses, thereby minimizing the number of steps needed to fabricate the display. Here 6 bits ... | 04/12/2005 |
| 6812117 | Method for creating a reconfigurable nanometer-scale electronic network The present invention includes a method for creating a reconfigurable nanometer-scale electronic network. One embodiment of the invention is made up of the following steps. The first step entails depositing nanometer-scale electrically conducting islands on an insul... | 11/02/2004 |
| H2111 | Test and evaluation community network (TECNET) Test and Evaluation Community Network (TECNET) is a set of software and safeguards that operates on a standard UNIX based computer to provide the following capabilities in a secure fashion via the World Wide Web operating over the Internet: Simple Mail Transfer Prot... | 11/02/2004 |
| H2110 | Automated security scanning process This invention automates a portion of the existing process by applying computerized comparative assessment program to the image presented on the operator's viewing screen. This is accomplished by creating a computerized image database of all known weapons, dangerous... | 10/05/2004 |
| H2107 | Blind captive mounting stud and mounting spacer In pursuit of developing a means for mounting a pedestal mounted CRT in a rack mounted application in a test console, it was necessary to develop a compact means of securing the CRT plastic envelope to a perforated slidable shelf in the test console. Since the verti... | 07/06/2004 |
| H2103 | Packet scheduling based on message length A system using two algorithms for scheduling packets in a multi-hop network. The objective of the algorithms is to reduce end-to-end message (not packet) transmission delays. Both algorithms schedule packet transmissions based on the length of the original message t... | 05/04/2004 |
| 6709697 | Protective barrier coating for selective paint stripping processes The concept of a barrier coating is applicable to any structure that requires repetitive paint removal. In principle, the coating is applied between a corrosion protective primer and protective topcoat for the purpose of encapsulating the corrosion resistant propert... | 03/23/2004 |
| 6681774 | Procedures to prevent Alzheimer's or enhance recovery from brain damage by use of procedures that enhance REM sleep A brain damaged patient who is improving will have a higher percentage of REM sleep than one who is not. The improvement we studied is that occurring over a period of weeks and months, so it cannot be attributed to the return of function of temporarily da... | 01/27/2004 |
| 6677571 | Rocket launch detection process A technique is disclosed for identifying a missile in flight. This process comprises the steps of: rapidly sampling radiometric detection signals of a source to collect power spectral density (PSD) characteristics that include the source's continuum in PS... | 01/13/2004 |
| 6674410 | Six-port junction/directional coupler with 0/90/180/270 ° output phase relationships A single six-port device which can be used to excite antenna elements in dual polarization mode. It can replace more complex feed arrangements containing up to three separate components. One version of the six port device is made up of a network of transm... | 01/06/2004 |
| 6658036 | Lasers and amplifiers based on hybrid slab active mirrors A hybrid slab laser is made using a slab of active laser material, for instance Yb:YAG, capped by a nonactive material, for instance undoped YAG or sapphire. The two materials are bonded together, for instance by diffusion bonding. The composite slab is t... | 12/02/2003 |
| 6621841 | Phonon-pumped semiconductor lasers The first phonon-pumped semiconductor laser. The active region is an unbiased boron-doped Si0.94 Ge0.06 /Si superlattice with Si0.97 Ge0.03 buffer layers embedded in a surface-plasmon strip waveguide. Warm and c... | 09/16/2003 |
