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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 6581467 | Portable gas purge and fill system for night vision equipment A portable gas purge and fill system. The inventive system (10) includes a portable housing having gas inlet and outlet couplings. An electronic pressure gauge (30) is disposed within the housing (11) for measuring the pressure of the fluid at the outlet ... | 06/24/2003 |
| 6576891 | Gimbaled scanning system and method A scanning system (10) and a method permit scanning a desired field-of-view within a maximized field-of-regard at a constant speed without reversing the scan direction about a primary axis (38). The system includes a mirror (20) which rotates about the pr... | 06/10/2003 |
| 6570715 | Ultra-wide field of view concentric scanning sensor system with a piece-wise focal plane array A compact, high numerical aperture, high resolution, ultra-wide field of view concentric scanning optical sensor. In a most general embodiment, the inventive optical arrangement (10) includes an at least semi-spherical lens (14) having a base; a reflectiv... | 05/27/2003 |
| 6569210 | Gas jet removal of particulated soil from fabric Fabrics are cleaned by treating at least a portion of the piece of fabric with a particulating chemical, and agitated by a gas jet of a particle-dislodging gas to dislodge the particulated soil. The particulating chemical loosens embedded non-particulate ... | 05/27/2003 |
| 6570902 | Laser with gain medium configured to provide an integrated optical pump cavity An optically-pumped laser having a gain medium configured to provide a low loss, three-dimensional integrated optical pump cavity that substantially confines optical pump radiation within the lasing volume, which is particularly useful for efficiently pum... | 05/27/2003 |
| 6567452 | System and method for pumping a slab laser A concentrator including a volume of at least partially transmissive material and a plurality of facets disposed at at least one surface thereof. Each of the facets is disposed at a position dependent angle relative to the surface effective to cause an in... | 05/20/2003 |
| 6563638 | Wide-angle collimating optical device A collimating optical device utilizes a reflective beamsplitter in the form of a linear polarizing beamsplitter to achieve a wide field of view. One form of the wide-angle collimating optical device includes, in order from an image source, a first absorpt... | 05/13/2003 |
| 6563654 | External pupil lens system An external pupil lens system (200) with an entrance pupil distance at least three times that of the effective focal length. The lens system is comprised of several conventional lenses and a diffractive optical element (DOE) for secondary chromatic aberra... | 05/13/2003 |
| 6559932 | Synthetic aperture ladar system using incoherent laser pulses An incoherent ladar transmitter (12) adapted for use with synthetic aperture processing. The system (12) includes a first mechanism (44, 48, 50) for generating a laser beam (18). A second mechanism (44, 68) records phase information pertaining to the lase... | 05/06/2003 |
| 6552318 | Sensor system with rigid-body error correcting element A sensor system includes a sensor, and an optical train adjustable to provide an optical beam to the sensor from a selected line of sight that may be varied. The optical train includes a wavefront error-introducing element in the optical train, which intr... | 04/22/2003 |
| 6526860 | Composite concentric launch canister A launch canister for a missile, including an outer canister shell and a concentric inner liner. The inner liner augments the canister shell with structural load capability and bending inertia to enhance canister stiffness. The inner liner can be construc... | 03/04/2003 |
| 6522226 | Transparent metallic millimeter-wave window A millimeter-wave window is constructed from a high conductivity metal plate. The metallic plate is made transparent over a range of frequencies by perforating it with a periodic array of slots. In one embodiment, the millimeter-wave window is used in a g... | 02/18/2003 |
| 6522396 | Dual mode adaptive threshold architecture for 3-D ladar FPA An integrated detector and signal processor (31) for ladar focal plane arrays (30) which internally compensates for variations in detector gain, noise, and aerosol backscatter. The invention (31) is comprised of a detector element (42) for receiving an in... | 02/18/2003 |
| 6515557 | Isolating signal divider/combiner and method of combining signals of first and second frequencies A signal divider/combiner (11) and method combines first and second frequency signals received by microstrip patch antennas (58, 48). A first transmission line stub (28) blocks the second frequency signals on the first signal receiving path, and a second ... | 02/04/2003 |
| 6516008 | Laser pulse slicer and dual wavelength converter for chemical sensing A wavelength conversion system and method. The inventive system is adapted to receive a beam of input energy having a first spiked portion with a first wavelength and a first spatial and/or temporal intensity profile and a second tail portion with the fir... | 02/04/2003 |
| 6505561 | Method and apparatus for inducing rotation of a dispensed payload from non-spin projectiles A method an apparatus for inducing spin, or rotation, in a dispersed payload of a non-spin guided projectile is taught. Rifling is applied to a cylindrical surface of a projectile casing. The rifling engages a member on a payload, which may be a bulkhead,... | 01/14/2003 |
| 6497530 | Universal flange joint for attaching The present invention related to a universal joint assembly for attaching two missile sections together wherein one section is a recycled rocket motor. The joint assembly includes a plurality of attachment blocks each secured through fasteners to the oute... | 12/24/2002 |
| 6492947 | Stripline fed aperture coupled microstrip antenna An aperture coupled microstrip patch antenna coupling circuit. Electromagnetic energy propagating along a stripline feedline is coupled through one of the ground plane surfaces through a tuned aperture to an adjacent microstrip feedline device, which may ... | 12/10/2002 |
| 6492925 | Ultra-wide band (20 MHz to 5 GHz) analog to digital signal processor An ultra-wide band general purpose analog to digital signal processor (200) covering the radio frequency range from 20 MHz to 5 GHz. The processor (200) includes a first circuit for shifting a frequency of an input signal, a second circuit for processing ... | 12/10/2002 |
| 6480272 | System and method for in-situ particle contamination measurement using shadowgrams A system (100) for determining particle contamination on optical surfaces (112, 114, 116) includes a detector array (118) and a non-coherent light source (110) that illuminates the detector array with non-coherent light reflected or refracted by the optic... | 11/12/2002 |
| 6469792 | Method for processing the output of a fiber optic gyroscope to reduce the effects of vibration therefrom A system and method for processing the output of a fiber-optic gyroscope. The inventive circuit (10) includes a photodetector (24) for detecting electromagnetic energy received from the fiber-optic gyroscope (18,20) and providing an analog input signal in... | 10/22/2002 |
| 6470064 | Extended length counter chains in FPGA logic A synchronous counter, the inventive counter is synchronized to a clock, e.g., a master clock of an FPGA, and includes a first counter that increments in response to the master clock, a resynchronizer that receives counter bits from the first counter and,... | 10/22/2002 |
| 6469783 | Solid state modulated beacon tracking system A system (16) for tracking a missile (22) in flight, the missile (22) having an optical beacon generator (32) that outputs a modulated signal (26) having a predetermined frequency, including an optical system (50, 52, 54) for transmitting image data along... | 10/22/2002 |
| 6466593 | Variable path length passive Q switch A passive Q switch. The inventive Q switch includes a first wedge of material adapted to absorb electromagnetic energy. The first wedge has a first thickness on a first end thereof and a second thickness on a second end thereof diametrically opposite the ... | 10/15/2002 |
| 6462882 | Light-weight head-mounted display A display device for a display wavelength range includes an image source, a relay group made of optical elements transparent to the display wavelength range, and a reflective combiner in facing relation to the relay group. The relay group includes a glass... | 10/08/2002 |
| 6462889 | Conformal-dome optical system with rotationally symmetric stationary optical baffles An optical system includes a nonspherical outer dome that is rotationally symmetric about a central axis, a detector system, and an optical corrector positioned in an optical path between the outer dome and the detector system. At least one light baffle i... | 10/08/2002 |
| 6462891 | Shaping optic for diode light sheets A shaping optic for diode light sheets. The Fresnel cylinder lens has a plurality of facets that channel multiple light sheet output from a diode stack having arbitrary pitch and diode bar number into a gaussian pump light deposition profile within a lase... | 10/08/2002 |
| 6463365 | System and method for controlling the attitude of a space craft A system (30) for adjusting the orientation of a spacecraft adapted for use with a satellite (10). The system (30) includes a first control circuit (32, 38, 40) for canceling any momentum of the spacecraft via a counter-rotating spacecraft bus (16, 18). A... | 10/08/2002 |
| 6460459 | Method and system utilizing a laser for explosion of an encased high explosive A method for exploding a high explosive material confined in a casing which includes the steps of generating a laser beam; directing the laser beam toward a location on a surface of the casing; and irradiating the surface location with the laser beam a su... | 10/08/2002 |
| 6437904 | Waveplate polarization rotator A system (10) for rotating a polarization state of a beam of electromagnetic energy (22) of the present invention. The system (10) includes a first mechanism (16) for receiving the beam of electromagnetic energy (22). The beam of electromagnetic energy (2... | 08/20/2002 |
| 6418156 | Laser with gain medium configured to provide an integrated optical pump cavity An optically-pumped laser having a gain medium configured to provide a low loss, three-dimensional integrated optical pump cavity that substantially confines optical pump radiation within the lasing volume, which is particularly useful for efficiently pum... | 07/09/2002 |
| 6411248 | Hot melt radar absorbing material (RAM) A glue-gun applied hot-melt radar-absorbing material (RAM) and method of use thereof is provided. The hot-melt radar-absorbing material composition comprises: (a) 70 to 85 wt % carbonyl iron powder; (b) 2 to 10 wt % of a metal deactivator; and (c) balance... | 06/25/2002 |
| 6404636 | Passively operated thermally diodic packaging method for missile avionics A passively operated thermal diode for controlling heat transfer from heat-generating electronic components to an external environment through an airframe is provided. The thermal diode comprises: (a) an electronics package within the airframe; (b) a heat... | 06/11/2002 |
| 6404547 | Semi-active focus and thermal compensation of a centrally-obscured reflective telescope A centrally-obscured reflective telescope having a semi-active focus and thermal compensation system. The telescope has a housing having an input window, a primary mirror, a secondary mirror suspended between the input window and the primary mirror by sup... | 06/11/2002 |
| 6393844 | Pulse tube expander having a porous plug phase shifter A pulse tube expander includes a regenerator, a pulse tube, a porous plug phase shifter, and a surge tank, in series gaseous communication with each other. The porous plug phase shifter is made of a porous material such as a sintered mass or a packed soli... | 05/28/2002 |
| 6396647 | Optical system with extended boresight source An optical system has an extended boresight source including a boresight light source that produces a light beam, a condenser lens that receives the light beam from the boresight light source, a spatial light integrator that receives the light beam from t... | 05/28/2002 |
| 6356575 | Dual cavity multifunction laser system A dual cavity multifunction laser comprising a diode-pumped, contact cooled, slab laser head that supports two different length unstable resonators. The laser produces short (15 ns), higher energy 1 μm pulses fro... | 03/12/2002 |
| 6356396 | Optical system having a generalized torus optical corrector An optical system includes a window, an optical corrector formed of a curved piece of a transparent material having a front surface and a back surface, and a sensor system with a sensor positioned such that the optical corrector is between the window and ... | 03/12/2002 |
| 6346126 | Acoustic-energy-assisted removal of soil from fabric in a gaseous environment A soiled piece of fabric is cleaned by mechanical agitation while the fabric is simultaneously subjected to acoustic energy in a gaseous environment wherein the piece of fabric is not immersed in a liquid cleaning medium. Mechanical agitation may be by ga... | 02/12/2002 |
| 6344920 | Monolithic serial optical parametric oscillator An arrangement (10) for efficiently shifting energy received at a first wavelength and outputting the shifted energy at a second wavelength. The arrangement (10) includes a laser (12) and an optical parametric oscillator (14) of unique design. The oscilla... | 02/05/2002 |
