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| Number | Title | Issue Date |
| 6821159 | Customizable connector keying system A modifiable connector keying system (16). The keying system (16) includes a first shaped feature (30, 32) that is removably connected to a first connector component. A second shaped feature (36, 38) is removably connected to a second con... | 11/23/2004 |
| 6820846 | Multiple ball joint gimbal A multiple ball joint gimbal mount apparatus which includes a mount platform structure, and a plurality of linear motor actuators arranged in a housing assembly. Each actuator includes an actuator shaft and an actuator connector at a distal end of the shaft. The pla... | 11/23/2004 |
| 6819510 | Mechanical device having cylindrical components locked together by a retainer having an organic plastic retainer outer surface A mechanical device includes a female component having a right-circular cylindrical internal surface and a cylindrical axis, and a first helical recess in the internal surface of the female component. A male component having a right-circular cylindrical external sur... | 11/16/2004 |
| 6818928 | Quaternary-ternary semiconductor devices A semiconductor structure is provided having a III-V substrate, a buffer layer over the substrate, such buffer layer having a compositional graded quaternary lower portion and a compositional graded ternary upper portion. In one embodiment, the lower portion of the ... | 11/16/2004 |
| 6814284 | Enhancement antenna for article identification An article identification system includes a transceiver that generates a request signal and transmits the request signal, where the request signal requests information corresponding to an article. A transponder is coupled to the article, receives the request signal,... | 11/09/2004 |
| 6816107 | Technique for changing a range gate and radar coverage A radar detection process includes computing a derivative of an FFT output signal to detect an object within a specified detection zone. In one embodiment, a zero crossing in the second derivative of the FFT output signal indicates the presence of an object. The ran... | 11/09/2004 |
| 6815680 | Method and system for displaying an image A method and apparatus for displaying an image includes selecting a camera unit horizontal field of view (FOV) of about eighteen degrees and selecting a system magnification of between 0.4 and 1.0. The method and apparatus also includes determining an aspect ratio f... | 11/09/2004 |
| 6814632 | Electrical connector system having contact body with integral nonmetallic sleeve An electrical connector system has an electrical contact structure including an electrically conducting contact with a metallic contact body having a hollow tubular portion, and a metallic contactor extending from the contact body. A hollow nonmetallic sleeve is joi... | 11/09/2004 |
| 6813330 | High density storage of excited positronium using photonic bandgap traps A device is provided that can capture and store electrically neutral excited species of antimatter or exotic matter (a mixture of antimatter and ordinary matter), in particular, excited positronium (Ps*). The antimatter trap comprises a three-dimensional or two-dime... | 11/02/2004 |
| 6812791 | Method and system for linearizing an amplified signal A method of processing an input signal to produce a corrected output signal includes generating a pre-distorted signal by distorting a digital input signal, the distortion based upon characteristics of a main amplifier, and correcting an output signal of the main am... | 11/02/2004 |
| 6809681 | Random-modulation radar signal-induced interference cancellation method and apparatus An uncorrelated clutter noise cancellation method and apparatus employing a measured ambiguity function sample for each randomly-modulated transmission pulse in a randomly-modulated pulsed Doppler radar system. The ambiguity function samples are calculated from a st... | 10/26/2004 |
| 6809991 | Method and apparatus for detecting hidden features disposed in an opaque environment An excitation signal is selected and transmitted, and a signal is received containing information produced by a remote object in response to the excitation signal. The information is evaluated to attempt to identify the object, the excitation signal is adjusted on t... | 10/26/2004 |
| 6808274 | Method and system for deploying a mirror assembly from a recessed position There is disclosed a method and apparatus for deploying a mirror assembly from a recessed position that includes rotating the mirror assembly in a first direction about a first axis, the mirror assembly coupled proximate the first axis to at least one lifting arm an... | 10/26/2004 |
| 6809307 | System and method for effecting high-power beam control with adaptive optics in low power beam path A beam control system and method which utilizes the wavefront reversal property of nonlinear optical phase conjugation to permit incorporation of a liquid crystal OPA within the low power legs of the beam control system, thereby affording the advantages of the OPA w... | 10/26/2004 |
| 6810164 | Optical beam steering system A data communication system comprising a plurality of fiber optic cables and a fiber optic switching system, comprising: a support structure for securing light emitting/light receiving ends of the plurality of fiber optic cables in predetermined positions; and, mean... | 10/26/2004 |
| 6809586 | Digital switching power amplifier Apparatus for transmitting a collimated and directed beam of wave energy which includes a beam-forming network having a plurality of amplification sections coupled to an array of transmitting elements. Each one of the sections includes: a source of digital samples o... | 10/26/2004 |
| 6806985 | Optical system with shutter assembly having an integral shutter-mounted actuator An optical system includes a shutter assembly with a stationary support, a shutter pivotably mounted upon and movable with respect to the support; and a shutter drive mechanism. The shutter drive mechanism includes a permanent first magnet affixed to the shutter, an... | 10/19/2004 |
| 6803534 | Membrane for micro-electro-mechanical switch, and methods of making and using it A micro-electro-mechanical (MEMS) switch (10, 110) has an electrode (22, 122) covered by a dielectric layer (23, 123), and has a flexible conductive membrane (31, 131) which moves between positions spaced from and engaging the dielectric ... | 10/12/2004 |
| 6802918 | Fabrication method for adhesive pressure bonding two components together with closed-loop control Two components are bonded together in a bonding apparatus using a bonding medium of malleable metallic spheres and a curable adhesive. The two components are bonded by positioning the components in a facing-but-spaced-apart relation in the bonding apparatus with the... | 10/12/2004 |
| 6802131 | Side-illuminated target structure having uniform ring illumination An illuminated target structure for viewing a scene includes a transparent medium having a transparent-medium peripheral rim and a light-reflective target within a transparent-medium central region. A circumferentially uniform ring illumination source is in contact ... | 10/12/2004 |
| 6804340 | Teleconferencing system A system and method for encoding the speech of multiple speakers for transmission on a limited medium such as ISDN or ADSL. The system and method encode one or more “dominant” speakers on a first channel, and merges all other speakers into a second channel. A ... | 10/12/2004 |
| 6803794 | Differential capacitance sense amplifier A differential capacitance sense amplifier capable of measuring a small difference-signal capacitance in the presence of circuit mismatches and large unequal interconnect capacitances. The sense amplifier includes three sections: a common-mode section applies a ‘r... | 10/12/2004 |
| 6803557 | Photodiode having voltage tunable spectral response A photodetector (10) includes a substrate (12) having a surface; a first layer (14) of semiconductor material that is disposed above the surface, the first layer containing a first dopant at a first concentration for having a first type of elect... | 10/12/2004 |
| 6801867 | Combining signal images in accordance with signal-to-noise ratios Combining signal images includes receiving signal images and performing the following to yield a weighted sum for at least one signal image. A phasor is generated from a signal image in accordance with a correlation reference, and a phase alignment of the signal ima... | 10/05/2004 |
| 6797994 | Double recessed transistor A transistor structure is provided. This structure has a source electrode and a drain electrode. A doped cap layer of GaxIn1−xAs is disposed below the source electrode and the drain electrode and provides a cap layer opening. An undoped resis... | 09/28/2004 |
| 6796213 | Method for providing integrity bounding of weapons A method for providing integrity bounding of a weapon for use in weapon selection and targeting is presented. The method determines an integrity bound for the weapon, the integrity bound defining a zone around the target aim-point within which engagement must occur ... | 09/28/2004 |
| 6795598 | Liquid-level sensor having multiple solid optical conductors with surface discontinuities A liquid-level sensor is used to sense th level of a liquid. The sensor has at least two solid optical conductors, wherein each solid optical conductor includes an outer surface having at least one reflective surface discontinuity of sufficient size to interfere wit... | 09/21/2004 |
| 6795054 | Optical filter measurement system An optical component measurement system including a holding fixture adapted to hold a plurality of optical components in an array; and an optical detector movably connected to the holding fixture. The detector is movable between a front side of the holding fixture a... | 09/21/2004 |
| 6791403 | Miniature RF stripline linear phase filters RF filter circuits are described which include a bottom dielectric substrate fabricated of a high dielectric material having a relative dielectric constant in a range of 30 to 100. A conductor pattern defining a circuit topology is fabricated on a surface of the sub... | 09/14/2004 |
| 6791441 | Micro-electro-mechanical switch, and methods of making and using it A micro-electro-mechanical (MEMS) switch (10, 110) has an electrode (22, 122) covered by a dielectric layer (23, 123), and has a flexible conductive membrane (31, 131) which moves between positions spaced from and engaging the dielectric ... | 09/14/2004 |
| 6791949 | Network protocol for wireless ad hoc networks A method for establishing and maintaining a wireless ad hoc network comprising backbone nodes which forward packets through the network and non-backbone nodes which are capable of using the network, but do not forward packets. Signaling packets containing one or mor... | 09/14/2004 |
| 6792028 | Method and laser beam directing system with rotatable diffraction gratings A laser beam pointing and positioning system includes first and second rotatable diffraction gratings. Each grating deviates a laser beam by a predetermined angle of deviation. The relative rotational position of the gratings is controlled to change the beam steerin... | 09/14/2004 |
| 6792141 | Infrared detection system and method with histogram based manual level and gain control with local gain clipping A system and method for processing digital video. The invention allows for manual level and gain adjustment of the video similar to that used in a histogram based automatic level and gain control system using a cumulative distribution function. Level changes are mad... | 09/14/2004 |
| 6792369 | System and method for automatically calibrating an alignment reference source A system (10, 12, 34) for calibrating an apparatus (10) for aligning components (20) relative to a desired line of sight. The system includes a first mechanism (70) for generating a command designed to move a line-of-sight of one of the c... | 09/14/2004 |
| 6789901 | System and method for providing images for an operator of a vehicle A system and method for providing images for an operator of a vehicle include the capability to receive electrical signals representing electromagnetic radiation at an image source and to generate a visual image based on the electrical signals. The system and method... | 09/14/2004 |
| 6788051 | Method and system of spectroscopic measurement of magnetic fields There is disclosed a method and apparatus for spectroscopically sensing a man-made, terrestrial or atmospheric magnetic field emanating from an object that includes receiving a radiance emission from an object and dispersing the radiance emission into parts of the e... | 09/07/2004 |
| 6788273 | Radome compensation using matched negative index or refraction materials A compensated radome is provided, comprising an inner layer of a negative index of refraction material, often referred to as a “metamaterial”, and an outer layer of a positive index of refraction material. The thickness of the two materials and their respective ... | 09/07/2004 |
| 6784820 | High resolution, high dynamic range analog-to-digital converter system and related techniques An analog-to-digital converter system for sampling an input signal includes at least one offset channel. Each channel includes a differential amplifier with a signal input coupled to the input signal, an offset input for receiving an offset signal and an amplified d... | 08/31/2004 |
| 6784766 | MEMS tunable filters A method for the design of tunable filters is disclosed. MEMS switches are used to alter the resonant frequency of one or more resonators. By tuning the resonant frequency of the resonators, the filter's characteristics also are tuned. Furthermore, MEMS switches are... | 08/31/2004 |
| 6782479 | Apparatus and method for inhibiting analysis of a secure circuit A secure circuit is protected from reverse engineering by sensing radiation to which the circuit is normally not exposed, but which is present in its analysis. The circuit is modified in response to such radiation so that it is not compromised by subsequent analysis... | 08/24/2004 |
