Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7209080 | Multiple-port patch antenna A system and method for combining and radiating electromagnetic energy. The invention includes a novel antenna comprising a first dielectric substrate having opposite first and second surfaces, a patch of conducting material disposed on the first surface, a ground p... | 04/24/2007 |
| 7185847 | Winged vehicle with variable-sweep cantilevered wing mounted on a translating wing-support body A winged vehicle includes an elongated fuselage, and a wing mechanism affixed to the fuselage. The wing mechanism has a wing-support-body track affixed to and extending lengthwise along the fuselage, a translating wing-support body engaged to and translatable along ... | 03/06/2007 |
| 7180067 | Infrared imaging system with ellipsoid reflective warm baffle and method An infrared imaging system uses an uncooled elliptical surface section between reflective surfaces to allow a detector to perceive a cold interior of a vacuum chamber rather than a warmer surface of a structure or housing. In this way, background infrared radiation ... | 02/20/2007 |
| 7178345 | Stacked-plate gas-expansion cooler assembly, fabrication method, and use A gas-expansion cooler assembly has an expansion structure with an expansion orifice and an expansion reservoir in fluid-flow communication with an expansion-orifice outlet. A heat exchanger has a heat-exchanger inlet, and a heat-exchanger outlet in fluid-flow commu... | 02/20/2007 |
| 7151494 | Reflective and transmissive mode monolithic millimeter wave array system and oscillator using same An oscillator. In the illustrative embodiment, the oscillator includes an ortho-mode feed; a reflective amplifier array adapted to be illuminated by the feed with an input wavefront with a first polarization and to return thereto an amplified wavefront with a second... | 12/19/2006 |
| 7151478 | Pseudo-orthogonal waveforms radar system, quadratic polyphase waveforms radar, and methods for locating targets In some pseudo-orthogonal waveform embodiments, a radar system transmits pseudo-orthogonal waveforms and performs multiple correlations on a combined single receiver channel signal. In some quadratic polyphase waveform embodiments, a radar system may simultaneously ... | 12/19/2006 |
| 7145124 | Multispectral imaging chip using photonic crystals On-chip multispectral imaging and data management is provided in the form of an Adaptive Focal Plane Array (AFPA) that is capable of spectral tunability at the pixel level. Layers of photonic crystals are registered with pixels of a broadband focal plane array. Spec... | 12/05/2006 |
| 7145734 | Windowed optical system having a tilted optical element to correct aberrations A system includes a dome window and an optical system having a central optical path that passes through the dome window. The optical system includes a refractive optical element having an axis of symmetry which passes through the optical element and which is tilted ... | 12/05/2006 |
| 7139545 | Ultra-wideband fully synthesized high-resolution receiver and method An ultra-wideband receiver system includes an intelligent-preselector stage to up-convert received signals to signals within a first IF frequency-range with stepped first oscillation signals, a first down-converting stage to down-convert the signals within the first... | 11/21/2006 |
| 7126477 | Millimeter-wave area-protection system and method An area-protection system uses an active-array antenna to generate a high-power millimeter-wave wavefront to deter an intruder within a protected area. One or more reflectors may be positioned within the protected area to help retain energy of the wavefront within t... | 10/24/2006 |
| 7126530 | Non-coherent high-power directed-energy system and method A directed-energy system includes a plurality of non-coherent microwave sources and a plurality of antennas. Each antenna may be coupled to a corresponding one or more of the sources to radiate energy from the sources and cumulatively generate high-energy pulses bas... | 10/24/2006 |
| 7111619 | Magnetic field protection for the projectile of an electromagnetic coil gun system An electromagnetic coil gun system includes a launcher having a barrel with a longitudinal bore therethrough, and a plurality of longitudinally extending electrical excitation coils arranged circumferentially around the bore of the barrel so that a magnetic field pr... | 09/26/2006 |
| 7110602 | System and method for detection of image edges using a polar algorithm process An edge detection system and method implement a recursive polar algorithm process to generate an edge image from an input image. The edge detection system may include a polar filter to recursively perform low-pass filtering along edge contours of a gradient pixel gr... | 09/19/2006 |
| 7046188 | System and method for tracking beam-aspect targets with combined Kalman and particle filters Systems and methods of tracking a beam-aspect target are provided. In embodiments, a target is tracked with a Kalman filter while detections are received. After a detection is missed, the Kalman filter may be concurrently propagated with a blind-zone particle filter... | 05/16/2006 |
| 7042654 | Optical system having a transmission optical corrector with a selectively nonuniform passive transmission optical property An optical system includes a window having a nonspherically curved outer surface and a curved inner surface, and a transmission optical corrector adjacent to the curved inner surface of the window. The transmission optical corrector has a selectively nonuniform pass... | 05/09/2006 |
| 7043345 | System and method with adaptive angle-of-attack autopilot A control system includes a rate-damping loop that uses a calculated angle-of attack error to non-linearly scale a rate-feedback signal so that at lower angle-of attack (AOA) error values, an acceleration feedback term plays a greater role in pitch compensation, whi... | 05/09/2006 |
| 7034283 | Absolute incremental position encoder and method A position encoder uses a track encoded with a pattern of bit-widths in accordance with a sequence. The sequence may be any sequence having unique subsequences, and may be a pseudo-random noise (PRN) sequence such that each N-bit subsequence occurs only once on the ... | 04/25/2006 |
| 7034619 | Monolithic array amplifier with periodic bias-line bypassing structure and method A bias-line bypassing structure comprises a plurality of bias-line bypass circuits forming a periodic structure at least partially around each of a plurality of amplification units to reduce RF current flow between the amplification units and a grid-bias network. Ea... | 04/25/2006 |
| 7034751 | Reflective and transmissive mode monolithic millimeter wave array system and in-line amplifier using same An amplifier including a monolithic semiconductor substrate and an array disposed on said substrate for coherently receiving and retransmitting electromagnetic energy. The array is implemented with a plurality of cells. Each of the cells includes a dual polarization... | 04/25/2006 |
| 7035475 | Non-traditional adaptive non-uniformity compensation (ADNUC) system employing adaptive feedforward shunting and operating methods therefor A non-traditional, non-uniformity compensation processor. In the illustrative embodiment, the feedforward adaptive non-uniformity compensation processor includes a multiplier which receives a video image and generates a compensated video image by multiplying the vid... | 04/25/2006 |
| 7032469 | Three axes line-of-sight transducer A system and method for measuring orientation of an object. In the illustrative embodiment, the object is a ball (42) in a ball and socket type pointing and stabilization system. The novel system (40) includes an encoded pattern (46) applied to ... | 04/25/2006 |
| 7032858 | Systems and methods for identifying targets among non-targets with a plurality of sensor vehicles A plurality of sensor vehicles collect imaging data from an assigned location of a target region having targets and non-targets. The imaging data may be combined based on its location and the combined data is matched to a threat object map to identify the actual tar... | 04/25/2006 |
| 7023380 | RF attitude measurement system and method A simple RF system tracks a missile, bullet or artillery round and determines the instantaneous attitude of the spinning projectile while in flight. The system is particularly useful in command-guided weapons systems where line-of-sight is maintained from the launch... | 04/04/2006 |
| 7022629 | Print through elimination in fiber reinforced matrix composite mirrors and method of construction A fiber reinforced matrix composite mirror that eliminates the problem of “print through”. A layer of small unbundled fibers in the matrix diffuses and randomize any stresses that are created by the weave pattern of the fiber reinforcement so that the coarse tex... | 04/04/2006 |
| 7019640 | Sensor suite and communication system for cargo monitoring and identification A system and method for monitoring a cargo container. The novel system (100) includes a sensor module (10) mounted in each target area (20) and a central monitoring system (40). Each sensor module (10) includes one or more sensors ... | 03/28/2006 |
| 7019320 | Liquid filled conformal windows and domes A system for sensing light transmitted with reduced optical aberrations into the interior of an enclosure utilizing a liquid filled cavity. A window is disposed on the exterior surface of the enclosure for allowing light to pass into the enclosure. A lens is dispose... | 03/28/2006 |
| 7015858 | Antijam module An antijam module (10) for GPS utilizing the vertical and horizontal polarizations of signal output by each antenna element in an array of antenna elements. This effectively doubles the number of channels from the conventional number of channels (N) to 2N. Ea... | 03/21/2006 |
| 7004921 | Male genital protection device A male genital protection device configured to conform to the shape of the male genital anatomy, which provides the wearer with added comfort and protection. ... | 02/28/2006 |
| 6982678 | Apparatus and method using wavefront phase measurements to determine geometrical relationships An apparatus includes a microwave source that produces a microwave feed beam, and a first pair of microwave sensors that each intercept and receive a portion of the microwave feed beam. The two microwave sensors are spaced apart from each other along a first-pair ax... | 01/03/2006 |
| 6975276 | System and low-loss millimeter-wave cavity-backed antennas with dielectric and air cavities A cavity backed millimeter-wave antenna comprises a dielectric cavity within a semiconductor substrate having walls defined by a plurality of vias through the substrate, and a gas cavity external to the substrate aligned with the dielectric cavity. A ground plane si... | 12/13/2005 |
| 6970128 | Motion compensated synthetic aperture imaging system and methods for imaging A see-through-the-wall (STTW) imaging system uses a plurality of geographically separated positioning transmitters to transmit non-interfering positioning signals. An imaging unit generates a synthetic aperture image of a target by compensating for complex movement ... | 11/29/2005 |
| 6969840 | Imaging optical system including a telescope and an uncooled warm-stop structure An all-reflective telescope has, in order, a positive-optical-power primary mirror, a negative-optical-power secondary mirror, a positive-optical-power tertiary mirror, a negative-optical-power quaternary mirror, and a positive-optical-power field lens. The mirrors ... | 11/29/2005 |
| 6969849 | Mass spectrometer for entrained particles, and method for measuring masses of the particles A particle mass spectrometer includes a supersonic flow expansion nozzle, and a source of a gas having particles entrained therein. The source is in gas-flow communication with an inlet of the expansion nozzle. The particle mass spectrometer further includes a vacuu... | 11/29/2005 |
| 6967539 | Low phase-noise local oscillator and method An oscillator to generate a low phase-noise reference signal at an oscillation frequency includes a frequency generator to generate the reference signal responsive to a control signal, and a delay element made of a high-temperature superconductor material. The delay... | 11/22/2005 |
| 6930633 | Adaptive glint reduction method and system A method and system for adaptively reducing, in a displacement signal having a value indicative of a measured angular displacement between an antenna boresight and an apparent line of sight to a target, a noise signal having a value indicative of an angular error in... | 08/16/2005 |
| 6910657 | System and method for locating a target and guiding a vehicle toward the target A vehicle guidance system. The system includes a first mechanism for tracking a vehicle based on time-of-arrival information associated with energy emanating from the vehicle and providing vehicle position information in response thereto. A second mechanism steers t... | 06/28/2005 |
| 6892646 | Granular matter filled weapon guidance electronics unit A guidance electronics unit is provided for an explosively-launched vehicle, e.g., a projectile or missile, comprising a plurality of circuit card assemblies, each circuit card assembly containing a plurality of electronic components and interconnections, each circu... | 05/17/2005 |
| 6874732 | Form factored compliant metallic transition element for attaching a ceramic element to a metallic element A ceramic element, e.g., a sapphire dome, is joined to a metallic element, e.g., a vehicle body comprising a titanium alloy, by an attachment structure, e.g., comprising niobium. The attachment structure comprises: (1) a form-factored, compliant metallic transition ... | 04/05/2005 |
| 6871817 | System containing an anamorphic optical system with window, optical corrector, and sensor A system includes an optical system having a curved window with anamorphic symmetry about a first plane and a second plane perpendicular to the first plane. The window may be, for example, in a flight vehicle such as a missile. An optical corrector is adjacent to a ... | 03/29/2005 |
| 6864857 | Optically transparent millimeter wave reflector An optically transparent dielectric reflector (200) that reflects an incident millimeter-wave beam at a design frequency. The reflector (200) includes layers of different optically transparent dielectric materials. The thickness of the individual layer... | 03/08/2005 |